2009ApJ...698.1989B


Query : 2009ApJ...698.1989B

2009ApJ...698.1989B - Astrophys. J., 698, 1989-2013 (2009/June-3)

Spitzer/IRAC-MIPS survey of NGC 2451A and B: debris disks at 50-80 million years.

BALOG Z., KISS L.L., VINKO J., RIEKE G.H., MUZEROLLE J., GASPAR A., YOUNG E.T. and GORLOVA N.

Abstract (from CDS):

We present a Spitzer IRAC and MIPS survey of NGC 2451A and B, two open clusters in the 50-80 Myr age range. We complement these data with extensive ground-based photometry and spectroscopy to identify the cluster members in the Spitzer survey field. We find only two members with 8 µm excesses. The incidence of excesses at 24 µm is much higher, i.e., 11 of 31 solar-like stars and 1 of 7 early-type (A) stars. This work nearly completes the debris disk surveys with Spitzer of clusters in the 30-130 Myr range. This range is of interest because it is when large planetesimal collisions may have still been relatively common (as indicated by the one that led to the formation of the Moon during this period of the evolution of the solar system). We review the full set of surveys and find that there are only three possible cases out of about 250 roughly solar-mass stars where very large excesses suggest that such collisions have occurred recently.

Abstract Copyright:

Journal keyword(s): circumstellar matter - infrared: stars - open clusters and associations: individual: NGC 2451 - planetary systems: protoplanetary disks

VizieR on-line data: <Available at CDS (J/ApJ/698/1989): table3.dat table4.dat table5.dat table6.dat table7.dat>

Nomenclature: Tables 3-6: [BKV2009] DDD.ddddd+DD.ddddd N=201. Figs 7+12, Table 7: [BKV2009] NN (Nos 1-19).

Simbad objects: 231

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Number of rows : 231
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 BD+20 307 SB* 01 54 50.3440413288 +21 18 22.461011784   9.57 9.01     G0 101 0
2 HD 21362 * 03 28 52.3279117200 +49 50 54.188026800   5.513 5.572     B6Vn 118 0
3 Cl Melotte 22 OpC 03 46 24 +24 06.8           ~ 3260 0
4 HD 23514 * 03 46 38.3922026460 +22 55 11.199934340 9.95 9.93 9.43 8.96 8.84 F5V 122 0
5 * zet Lep * 05 46 57.3409587 -14 49 19.019943   3.637 3.525     A2IV-V(n) 291 0
6 * bet Pic PM* 05 47 17.0876901 -51 03 59.441135 4.13 4.03 3.86 3.74 3.58 A6V 1808 1
7 SA 98- reg 06 52 04.1 -00 23 58           ~ 172 0
8 PN G219.2+07.5 PN 07 29 58.4752358832 -02 06 37.601058600 11.749 12.830 13.017 13.076 13.164 sdO 70 0
9 Cl* NGC 2422 PMS 1121 * 07 35 42.6918901416 -14 50 42.249024672 13.344 13.262 12.668 12.335 11.981 F9 15 0
10 NGC 2422 OpC 07 36 35 -14 29.3           ~ 233 0
11 2MASS J07425436-3759265 * 07 42 54.3681320088 -37 59 26.546339616     19.841 18.399 16.579 ~ 3 0
12 2MASS J07425466-3757009 * 07 42 54.6701282256 -37 57 01.044820692 16.698 15.763 14.607 13.908 13.281 ~ 5 0
13 2MASS J07425606-3821084 * 07 42 56.064 -38 21 08.50     19.495 17.700 15.724 ~ 1 0
14 NGC 2451A OpC 07 42 57 -38 15.8           ~ 108 0
15 2MASS J07430011-3747348 Y*? 07 43 00.1096799688 -37 47 34.802773476 19.520 18.393 16.887 15.726 14.473 ~ 4 0
16 Cl* NGC 2451 PKB 2609 * 07 43 00.5825501928 -37 57 30.073875624 13.070 12.958 12.332 11.940 11.542 ~ 8 0
17 2MASS J07430176-3742243 * 07 43 01.7626739160 -37 42 24.321056472     19.095 17.701 16.180 ~ 3 0
18 CD-37 3811 * 07 43 05.0103207624 -37 49 01.422280488 12.230 12.070 11.563 11.199 10.918 ~ 4 0
19 GES J07430528-3759205 * 07 43 05.2843942320 -37 59 20.457046032 18.918 17.743 16.189 15.040 13.623 ~ 2 0
20 2MASS J07430614-3741303 * 07 43 06.1482683760 -37 41 30.369618096     18.338 16.937 15.265 ~ 6 0
21 GES J07430635-3809211 * 07 43 06.3504465096 -38 09 21.027337740 17.636 16.611 15.152 14.158 13.017 ~ 9 0
22 GES J07431122-3805443 * 07 43 11.2171095072 -38 05 44.256558264   15.036 14.024 13.427 12.869 ~ 6 0
23 GES J07431134-3809107 * 07 43 11.3360493936 -38 09 10.780369812 17.356 16.408 15.099 14.359 13.644 ~ 2 0
24 2MASS J07431354-3747250 * 07 43 13.5413354304 -37 47 25.078738056   20.087 18.473 17.077 15.387 ~ 1 0
25 GES J07431408-3813083 * 07 43 14.0763657048 -38 13 08.374440432     18.941 17.641 16.050 ~ 2 0
26 2MASS J07431685-3802556 * 07 43 16.8535123824 -38 02 55.572313668     19.826 18.482 16.752 ~ 2 0
27 2MASS J07431717-3817150 * 07 43 17.176 -38 17 15.06   20.142 18.634 17.547 16.400 ~ 1 0
28 GES J07431808-3745590 * 07 43 18.0845515752 -37 45 58.954300308   19.925 18.409 17.095 15.607 ~ 6 0
29 Cl* NGC 2451 PKB 2262 * 07 43 19.5574177872 -38 05 37.165279416 14.138 13.923 13.163 12.720 12.272 ~ 8 0
30 2MASS J07432249-3744107 * 07 43 22.4873615400 -37 44 10.750176096   19.111 17.840 16.603 15.135 ~ 1 0
31 GES J07432440-3756131 * 07 43 24.3932751096 -37 56 13.164186228   14.240 13.407 12.918 12.464 ~ 8 0
32 2MASS J07432788-3755229 * 07 43 27.8840463288 -37 55 22.981034136   19.519 18.000 16.808 15.371 ~ 5 0
33 GES J07432827-3756573 * 07 43 28.2634701168 -37 56 57.376517352   15.193 14.188 13.609 13.075 ~ 2 0
34 GES J07432847-3817258 * 07 43 28.4644714296 -38 17 25.825376508     19.471 18.046 16.319 ~ 2 0
35 2MASS J07432856-3803046 * 07 43 28.5667277256 -38 03 04.671839124   19.969 18.345 17.246 16.020 ~ 1 0
36 2MASS J07432870-3756515 * 07 43 28.701 -37 56 51.53     19.879 18.684 17.108 ~ 1 0
37 HD 62642 * 07 43 29.4711583728 -37 45 02.030198256   7.850 7.614 7.436 7.589 B9.5V 25 0
38 GES J07433045-3821200 * 07 43 30.4546524864 -38 21 20.150599140   13.305 12.520 12.134 11.705 ~ 2 0
39 GES J07433621-3752368 * 07 43 36.2131722672 -37 52 36.746868288   20.297 18.762 17.461 15.961 ~ 5 0
40 CD-37 3819 * 07 43 38.7763867272 -38 14 06.668417832 11.778 11.450 10.997 10.730 10.479 ~ 3 0
41 GES J07433990-3743326 * 07 43 39.8972353728 -37 43 32.514789360   17.166 15.702 14.643 13.527 ~ 7 0
42 GES J07434050-3808241 * 07 43 40.4977911888 -38 08 24.029219868   13.582 12.891 12.508 12.081 ~ 2 0
43 2MASS J07434060-3806484 * 07 43 40.6021234512 -38 06 48.503387556     20.360 18.858 17.086 ~ 2 0
44 HD 62712 * 07 43 42.9160399680 -38 12 06.767386272 5.76 6.24 6.40     B8IV 80 0
45 Cl* NGC 2451 AR 14 * 07 43 43.7313547152 -37 41 24.248504976   14.352 13.544 13.051 12.620 ~ 2 0
46 GES J07434602-3754364 * 07 43 46.0181324904 -37 54 36.330958044   20.711 18.913 17.501 15.911 ~ 6 0
47 2MASS J07434871-3821583 * 07 43 48.7093979352 -38 21 58.271956596   16.833 15.337     ~ 6 0
48 CD-37 3823 * 07 43 49.3114344200 -37 53 44.407068114   11.049 10.627 10.198 9.890 ~ 15 0
49 CD-37 3825 * 07 43 49.7034312432 -37 58 00.765586812   10.025 9.855 9.736 9.682 A2V 15 0
50 2MASS J07434984-3812498 * 07 43 49.8527175504 -38 12 49.902865884 17.695 16.570 15.366 14.657 13.991 ~ 1 0
51 GES J07435088-3807070 * 07 43 50.8821828072 -38 07 06.909736944   17.641 16.123 14.972 13.504 ~ 3 0
52 GES J07435159-3813309 * 07 43 51.5896521600 -38 13 30.902315376 19.851 18.476 16.991 16.088 15.288 ~ 2 0
53 2MASS J07435283-3816313 * 07 43 52.8300114072 -38 16 31.387616688 17.413 16.422 14.939 13.902 12.684 ~ 3 0
54 2MASS J07435340-3757297 * 07 43 53.3999060880 -37 57 29.649421116     19.721 18.392 16.773 ~ 1 0
55 Cl* NGC 2451 PKB 2275 * 07 43 54.3421982304 -38 00 02.736243468 13.632 13.150 12.309   11.373 ~ 14 0
56 GES J07435482-3746307 * 07 43 54.8190806304 -37 46 30.654136452 18.779 17.984 16.505 15.407 14.095 ~ 8 0
57 Cl* NGC 2451 PKB 1866 * 07 43 55.5397554624 -38 11 11.579121168 14.021 13.747 13.045 12.582 12.176 ~ 9 0
58 GES J07435634-3746375 * 07 43 56.3373862416 -37 46 37.387905312 19.327 18.293 16.733 15.663 14.491 ~ 2 0
59 Cl* NGC 2451 PKB 6499 * 07 43 57.4904969784 -38 27 51.021105120   14.697 13.537     ~ 11 0
60 CPD-37 1516 * 07 43 58.3169968632 -37 37 24.714323904   12.443 11.826     ~ 3 0
61 GES J07440285-3807183 * 07 44 02.8543613616 -38 07 18.324370452   18.681 17.096 16.040 14.866 ~ 6 0
62 2MASS J07440346-3807153 * 07 44 03.4684079424 -38 07 15.330256752   20.111 18.615 17.378 15.829 ~ 5 0
63 UCAC4 261-020052 ** 07 44 06.864144 -37 59 22.13520   17.940 16.430 16.17   ~ 3 0
64 GES J07440752-3744551 * 07 44 07.5206636112 -37 44 55.014787572     18.849 17.565 15.938 ~ 5 0
65 GES J07440789-3750454 PM* 07 44 07.8923383080 -37 50 45.459483936 17.328 16.305 14.840 13.925 13.015 ~ 2 0
66 HD 62802 * 07 44 08.6021343576 -37 59 00.646755540 9.346 9.466 9.359 9.386 9.291 B9V 16 0
67 Cl* NGC 2451 AR 43 * 07 44 09.9169993368 -37 54 52.758286164   14.189 13.396 12.930 12.471 ~ 8 0
68 2MASS J07441185-3744237 * 07 44 11.860 -37 44 23.77   17.567 16.103 15.181 14.261 ~ 1 0
69 2MASS J07441580-3745554 Y*? 07 44 15.8005780320 -37 45 55.449845424 18.603 17.563 16.150 15.204 14.188 ~ 5 0
70 GES J07441914-3800195 * 07 44 19.1430972024 -38 00 19.442444724   15.480 14.370     ~ 5 0
71 GES J07442094-3752522 * 07 44 20.9381724360 -37 52 52.169839896   18.700 17.140 16.049 14.826 ~ 2 0
72 Cl* NGC 2451 AR 52 * 07 44 22.5471138000 -37 52 55.540324236   13.915 13.148 12.725 12.293 ~ 11 0
73 CPD-37 1526 * 07 44 23.2252618464 -37 55 28.372484676 11.746 11.841 11.381 11.150 10.856 ~ 10 0
74 Cl* NGC 2451 PKB 1256 * 07 44 24.0633148008 -38 35 59.041061736   11.562 10.953     ~ 12 0
75 2MASS J07442703-3744400 * 07 44 27.0289275480 -37 44 40.129109844     20.063 18.823 17.052 ~ 2 0
76 Cl* NGC 2451 AR 57 * 07 44 29.2664776464 -37 46 44.288661900 13.539 13.459 12.780 12.387 11.989 ~ 10 0
77 NGC 2451B OpC 07 44 31 -37 57.2           ~ 84 0
78 GES J07443137-3743241 * 07 44 31.3612640544 -37 43 24.077314956   18.664 17.185 16.228 15.360 ~ 2 0
79 2MASS J07443199-3744264 * 07 44 31.9899089088 -37 44 26.563745544   19.974 18.337 17.243 15.967 ~ 1 0
80 2MASS J07443220-3740588 Y*? 07 44 32.1987010920 -37 40 58.910290968     18.826 17.485 15.789 ~ 2 0
81 CPD-37 1531 * 07 44 32.3355446472 -38 01 56.269993404 11.692 11.622 10.985 10.634 10.246 ~ 7 0
82 GES J07443372-3809097 * 07 44 33.7194239232 -38 09 09.709104672   17.287 15.839 14.970 14.132 ~ 2 0
83 HD 62893 * 07 44 34.1830281624 -37 56 34.510493904   5.759 5.870     B8V 61 0
84 2MASS J07443634-3748563 * 07 44 36.3366097104 -37 48 56.353996944 19.207 18.199 16.677 15.653 14.485 ~ 5 0
85 GES J07443639-3754018 * 07 44 36.3855229512 -37 54 01.848527892   14.245 13.444 12.994 12.520 ~ 8 0
86 GES J07443652-3824260 * 07 44 36.5247952200 -38 24 26.050818780   14.863 13.887     ~ 2 0
87 GES J07443683-3754598 * 07 44 36.8237897832 -37 54 59.777526204   18.553 17.112 16.043 14.884 ~ 7 0
88 2MASS J07443701-3749184 * 07 44 37.0063953408 -37 49 18.486157908 18.934 17.845 16.376 15.431 14.450 ~ 5 0
89 CD-37 3843 * 07 44 38.2952311464 -38 13 15.822526224   10.7 10.5     ~ 8 0
90 2MASS J07443841-3752012 * 07 44 38.4090918240 -37 52 01.281883188     20.366 19.004 17.164 ~ 2 0
91 GES J07444268-3811024 * 07 44 42.6861754728 -38 11 02.435365824   14.696 13.795 13.260 12.730 ~ 7 0
92 2MASS J07444298-3741080 * 07 44 42.9806130840 -37 41 08.099631060     20.267 18.728 16.843 ~ 2 0
93 GES J07444351-3818249 * 07 44 43.5118028088 -38 18 25.006318776   18.738 17.199 16.134 14.930 ~ 6 0
94 GES J07444465-3748098 * 07 44 44.6579254608 -37 48 09.765767304   19.693 18.154 16.907 15.350 ~ 2 0
95 HD 62938 * 07 44 44.8852817952 -38 03 13.450316616   7.526 7.523     A0V 30 0
96 2MASS J07444502-3819243 * 07 44 45.0299752272 -38 19 24.395241072     19.484 17.932 16.059 ~ 3 0
97 GES J07444872-3805553 * 07 44 48.7227135864 -38 05 55.348856412   14.240 13.490     ~ 8 0
98 CD-37 3851 * 07 44 49.7838712224 -38 07 48.966905532   11.720 11.275 11.020 10.762 ~ 8 0
99 UCAC4 260-020223 ** 07 44 49.928760 -38 09 41.84100   12.858 12.085 12.204 11.366 ~ 4 0
100 GES J07444999-3819519 * 07 44 49.9935228648 -38 19 51.939824700   19.185 17.662 16.496 15.237 ~ 6 0
101 NGC 2451 121 * 07 44 50.9210957520 -37 51 33.659055900 13.672 13.310 12.486 12.072 11.673 ~ 5 0
102 GES J07445100-3744389 * 07 44 50.9917573896 -37 44 38.966984448   20.312 18.575 17.284 15.699 ~ 2 0
103 CD-37 3850 * 07 44 51.0399330576 -37 40 07.245190776   10.940 10.667 10.748   ~ 15 0
104 GES J07445137-3808014 * 07 44 51.3798985536 -38 08 01.411594800   14.704 13.768 13.231 12.751 ~ 8 0
105 GES J07445178-3810016 * 07 44 51.777 -38 10 01.57 19.726 18.489 16.936 15.945 14.961 ~ 2 0
106 GES J07445201-3817029 * 07 44 52.0110966072 -38 17 02.934390444   16.030 14.849 14.137 13.389 ~ 3 0
107 2MASS J07445213-3803361 * 07 44 52.1404464760 -38 03 36.072926268 17.118 16.667 15.410 14.652 13.954 ~ 1 0
108 GES J07445236-3759464 * 07 44 52.3580574336 -37 59 46.376056428 18.349 17.290 15.858 14.960 14.178 ~ 6 0
109 2MASS J07445269-3758105 * 07 44 52.6912707288 -37 58 10.537447368   20.921 19.227 17.869 16.202 ~ 5 0
110 CD-37 3852 * 07 44 55.2446982048 -38 04 46.468235532   11.3 11.160 10.931 10.702 ~ 10 0
111 2MASS J07445539-3747209 * 07 44 55.3919161896 -37 47 21.023783124     19.335 18.055 16.423 ~ 2 0
112 2MASS J07445785-3801477 * 07 44 57.8625010944 -38 01 47.843720724     19.110 17.808 16.264 ~ 4 0
113 HD 62974 ** 07 44 59.6805831138 -38 05 39.162239997   8.435 8.302     A3V 28 0
114 2MASS J07450066-3731584 * 07 45 00.666 -37 31 58.40   15.244 14.176     ~ 1 0
115 CD-37 3859 * 07 45 01.6851326352 -38 02 20.161377996   10.508 10.059 9.817 9.614 ~ 15 0
116 Cl* NGC 2451 AR 95 SB* 07 45 02.6676609312 -38 01 52.258343376 13.142 13.184 12.495 12.098 11.744 ~ 9 0
117 NGC 2451 128 * 07 45 03.7467452256 -38 06 10.781221860   13.505 12.782 12.392 12.035 ~ 10 0
118 2MASS J07450459-3756361 * 07 45 04.5907639632 -37 56 36.092140044 17.773 16.810 15.422 14.534 13.629 ~ 1 0
119 GES J07450487-3804286 * 07 45 04.8736963008 -38 04 28.665538716 19.862 19.186 17.688 16.439 14.910 ~ 8 0
120 GES J07450695-3812171 * 07 45 06.9558469728 -38 12 17.119505304 18.211 17.283 15.938 15.080 14.235 ~ 7 0
121 GES J07450758-3739444 * 07 45 07.5661270800 -37 39 44.417367396   14.090 13.371     ~ 2 0
122 GES J07450826-3808360 * 07 45 08.2657345656 -38 08 36.022442676   15.410 14.181 13.469 12.859 ~ 2 0
123 2MASS J07450855-3817091 Y*? 07 45 08.5554643368 -38 17 09.239994960   20.188 18.509 17.233 15.617 ~ 6 0
124 2MASS J07451078-3819419 * 07 45 10.7764735584 -38 19 41.937952656   19.728 18.174 17.200 16.190 ~ 1 0
125 GES J07451196-3747315 * 07 45 11.9480802960 -37 47 31.583890248   19.561 18.039 16.775 15.178 ~ 6 0
126 2MASS J07451207-3745168 * 07 45 12.0667600032 -37 45 16.915117392 14.114 13.927 13.211 12.784 12.379 ~ 5 0
127 NGC 2451 53 * 07 45 13.1692426367 -37 50 16.334705812 12.816 12.822 12.347 12.032 11.700 ~ 3 0
128 2MASS J07451393-3747192 * 07 45 13.9301051976 -37 47 19.284007056   19.309 17.744 16.617 15.276 ~ 5 0
129 CD-37 3862A * 07 45 14.9371224264 -38 11 46.469175540 10.882 10.905 10.424 10.155 9.874 ~ 12 0
130 * c Pup * 07 45 15.2964161 -37 58 06.899807 7.06 5.34 3.61 2.26 1.26 K4III 96 0
131 Cl* NGC 2451 AR 108 * 07 45 17.7944039136 -37 48 53.110314648 13.744 13.632 12.967 12.577 12.180 ~ 3 0
132 Cl* NGC 2451 LW 9 * 07 45 17.9587022208 -37 49 23.100415608 14.232 14.233 13.619 13.232 12.816 ~ 3 0
133 GES J07452052-3753587 * 07 45 20.5201690200 -37 53 58.757303508   15.011 13.945 13.342 12.809 ~ 7 0
134 CPD-37 1565 * 07 45 20.9516593224 -37 49 52.921957368 12.353 12.406 11.840 11.511 11.169 ~ 10 0
135 2MASS J07452220-3809582 Y*? 07 45 22.2102262704 -38 09 58.269238488   19.725 18.063 16.754 15.107 ~ 3 0
136 2MASS J07452245-3804103 * 07 45 22.4623948248 -38 04 10.419240180   21.15 19.271 17.979 16.426 ~ 6 0
137 NGC 2451 Cl* 07 45.4 -37 58           ~ 157 1
138 CD-37 3869 * 07 45 26.5269615168 -38 11 47.280396696 12.030 11.997 11.438 11.137 10.816 ~ 6 0
139 HD 63079 * 07 45 27.3624173688 -37 35 46.630622868   6.857 6.909     B9V 47 0
140 2MASS J07452865-3811361 * 07 45 28.6661079417 -38 11 36.275726122     19.282 17.863 16.246 ~ 4 0
141 2MASS J07452886-3805532 * 07 45 28.8724051464 -38 05 53.258510076   18.74 18.904 17.558 16.015 ~ 5 0
142 GES J07453176-3730262 * 07 45 31.7637412560 -37 30 26.107943184   13.430 12.730     ~ 3 0
143 GES J07453282-3751231 * 07 45 32.8242233448 -37 51 23.077985076 20.094 19.315 17.737 16.477 14.919 ~ 3 0
144 GES J07453300-3730497 * 07 45 33.0014734344 -37 30 49.609567476   19.023 17.583     ~ 2 0
145 2MASS J07453328-3816351 * 07 45 33.2945098056 -38 16 35.239315800   19.821 18.180 16.889 15.241 ~ 1 0
146 GES J07453330-3808158 * 07 45 33.3016506864 -38 08 15.826384284   14.901 13.763 13.124 12.598 ~ 2 0
147 Cl* NGC 2451 AR 125 * 07 45 34.0104464472 -37 47 30.974068464 13.020 12.996 12.425 12.112 11.784 ~ 2 0
148 GES J07453451-3751529 * 07 45 34.5049548216 -37 51 52.974311472 14.490 14.222 13.383 12.921 12.463 ~ 8 0
149 GES J07453492-3750057 * 07 45 34.9163384592 -37 50 05.640395388     19.610 18.156 16.334 ~ 6 0
150 2MASS J07453561-3755001 * 07 45 35.6106336960 -37 55 00.197947200   18.50 17.080 15.976 14.829 ~ 4 0
151 2MASS J07453596-3746220 * 07 45 35.963 -37 46 22.05   19.578 17.903 16.586 14.889 ~ 1 0
152 2MASS J07453637-3746440 * 07 45 36.3710471544 -37 46 44.032151028 17.754 16.632 15.334 14.551 13.831 ~ 5 0
153 2MASS J07453667-3756382 * 07 45 36.6756497952 -37 56 38.331254148     18.582 17.336 15.917 ~ 1 0
154 GES J07453760-3730270 * 07 45 37.5967925112 -37 30 26.836314336   13.859 13.084     ~ 7 0
155 2MASS J07454415-3744186 * 07 45 44.153 -37 44 18.69 19.867 18.637 17.131 16.144 15.103 ~ 1 0
156 Cl* NGC 2451 AR 134 * 07 45 45.8525800056 -37 53 49.976603736   14.167 13.360 12.872 12.314 ~ 7 0
157 2MASS J07454698-3756220 * 07 45 46.9817047680 -37 56 22.081166808   20.39 18.874 17.368 15.594 ~ 7 0
158 HD 63133 * 07 45 48.6167085792 -37 32 48.013889748   9.207 9.168     A0V 18 0
159 2MASS J07455226-3831333 * 07 45 52.2730020240 -38 31 33.288768552   16.118 14.950     ~ 5 0
160 GES J07455419-3751571 * 07 45 54.1868545968 -37 51 57.098453364   19.828 18.197 16.821 15.093 ~ 7 0
161 GES J07455658-3757063 * 07 45 56.5701016872 -37 57 06.309446328     19.160 17.852 16.218 ~ 5 0
162 2MASS J07455676-3748104 * 07 45 56.7548679456 -37 48 10.407647520     19.659 18.265 16.487 ~ 2 0
163 Cl* NGC 2451 AR 146 * 07 45 58.2622693752 -37 59 46.657826376 13.171 12.993 12.222 9.650 11.268 ~ 3 0
164 NGC 2451 77 * 07 46 00.7019023680 -37 40 15.553555968   12.724 12.195     F0V: 4 0
165 CPD-37 1582 * 07 46 01.8650535768 -38 00 27.076765500 12.613 12.723 12.041 11.696 11.384 ~ 6 0
166 Cl* NGC 2451 AR 151 * 07 46 02.1680974056 -37 51 37.583719884 15.997 14.849 13.677 13.051 12.476 ~ 3 0
167 2MASS J07460224-3804461 Y*? 07 46 02.2482623400 -38 04 46.240262688   20.780 18.979 15.439 15.813 ~ 4 0
168 2MASS J07460347-3800511 * 07 46 03.4742388648 -38 00 51.139965528   20.828 19.171 15.728 16.250 ~ 2 0
169 GES J07460836-3753518 * 07 46 08.3628413568 -37 53 51.805505868   17.475 15.952 14.920 13.666 ~ 8 0
170 Cl* NGC 2451 PKB 3391 * 07 46 08.9228726712 -37 23 56.810801940   11.28 10.73     ~ 11 0
171 HD 63215 Be* 07 46 10.5442184088 -37 56 01.239555912   5.755 5.869     B5V 56 0
172 2MASS J07461185-3812360 * 07 46 11.8530760368 -38 12 36.022641840 14.470 14.198 13.407 12.938 12.508 ~ 6 0
173 GES J07461194-3806155 * 07 46 11.9470525440 -38 06 15.552200196   19.566 18.019 14.567 14.982 ~ 7 0
174 GES J07461550-3744506 * 07 46 15.5009752920 -37 44 50.651887848 19.043 17.928 16.468 15.515 14.495 ~ 6 0
175 2MASS J07461556-3828089 * 07 46 15.5643851544 -38 28 08.853742956   18.459 16.935     ~ 6 0
176 2MASS J07461918-3733464 * 07 46 19.1887089120 -37 33 46.520519004   15.891 14.770     ~ 1 0
177 2MASS J07462055-3757491 * 07 46 20.5528055160 -37 57 49.261691736     19.706 16.238 16.659 ~ 1 0
178 Cl* NGC 2451 PKB 2361 * 07 46 24.8481216792 -38 01 10.602695496 14.299 13.646 12.703 10.098 11.770 ~ 13 0
179 2MASS J07462534-3814014 * 07 46 25.345 -38 14 01.43     18.975 17.921 16.514 ~ 1 0
180 2MASS J07462660-3805009 * 07 46 26.6130481560 -38 05 01.003667856 16.206 15.690 14.564 11.761 13.218 ~ 1 0
181 2MASS J07462674-3806336 Y*? 07 46 26.7489302136 -38 06 33.684256548   19.886 18.104 14.648 15.220 ~ 3 0
182 GES J07462980-3752443 * 07 46 29.8025349312 -37 52 44.337936108   19.176 17.618 16.359 14.725 ~ 8 0
183 2MASS J07463917-3819333 * 07 46 39.1774956360 -38 19 33.413140812     18.903 17.660 16.083 ~ 5 0
184 2MASS J07464044-3802369 * 07 46 40.4445059688 -38 02 36.736133820 19.475 18.212 16.620 13.479 14.611 ~ 5 0
185 GES J07464147-3750461 PM* 07 46 41.4692182800 -37 50 46.104080712 19.480 18.350 16.828 15.833 14.808 ~ 2 0
186 2MASS J07464197-3759020 * 07 46 41.9737311336 -37 59 01.918297572 20.007 18.738 17.101 13.842 14.785 ~ 4 0
187 2MASS J07464364-3817230 * 07 46 43.6501189272 -38 17 23.056723176 15.533 14.996 14.056 13.520 13.026 ~ 1 0
188 Cl* NGC 2451 AR 177 * 07 46 45.5366728080 -37 49 33.852794844 13.385 13.275 12.637 12.264 11.893 ~ 6 0
189 2MASS J07464757-3800320 * 07 46 47.5796211648 -38 00 31.938827832     19.840 16.320 16.685 ~ 2 0
190 CPD-37 1605 SB* 07 46 48.4085499192 -38 08 53.718727236   9.890 9.453 9.191 8.953 ~ 13 0
191 GES J07465300-3743102 * 07 46 53.0017030968 -37 43 10.200337752 19.244 18.233 16.714 15.530 14.014 ~ 2 0
192 GES J07465455-3735309 * 07 46 54.5486229552 -37 35 31.072613712   16.163 14.964     ~ 6 0
193 CD-38 3642 * 07 46 55.9949358216 -38 21 21.413631960   10.554 10.117 9.896 9.626 ~ 5 0
194 GES J07465820-3738210 * 07 46 58.2001207296 -37 38 21.064546248   12.272 11.835     ~ 2 0
195 Cl* NGC 2451 PKB 1581 * 07 46 59.3957316672 -38 22 41.522596716   14.472 13.445     ~ 3 0
196 GES J07465988-3750195 * 07 46 59.8900294008 -37 50 19.486139748 19.006 18.121 16.602 15.521 14.177 ~ 3 0
197 Cl* NGC 2451 AR 186 ** 07 47 00.472536 -37 50 37.29804   13.017 12.092 11.859 10.795 ~ 6 0
198 2MASS J07470081-3757455 * 07 47 00.8131281120 -37 57 45.339935544     19.255 15.751 16.204 ~ 1 0
199 2MASS J07470373-3757280 * 07 47 03.7292636520 -37 57 27.904410612   18.213 16.693 13.411 14.088 ~ 6 0
200 2MASS J07470380-3757535 * 07 47 03.8033574432 -37 57 53.391739716   19.078 17.349 14.052 14.943 ~ 5 0
201 2MASS J07470398-3812406 * 07 47 03.9901375704 -38 12 40.561628256 17.462 17.865 16.360 15.242 13.862 ~ 6 0
202 2MASS J07470490-3813168 * 07 47 04.9059066000 -38 13 16.649809176 16.491 15.807 14.624 13.917 13.271 ~ 1 0
203 GES J07470633-3744017 * 07 47 06.3277428024 -37 44 01.702096944 18.212 17.143 15.735 14.843 13.970 ~ 7 0
204 Cl* NGC 2451 AR 189 * 07 47 11.4664552944 -37 47 48.547568940   12.978 12.437     ~ 2 0
205 GES J07471328-3755592 * 07 47 13.2734663328 -37 55 59.236967028   16.750 15.238     ~ 2 0
206 CD-37 3907 * 07 47 16.4530828704 -38 18 12.938051016   11.909 11.437     ~ 3 0
207 2MASS J07472197-3818019 * 07 47 21.9706219368 -38 18 01.883355552   16.654 15.407     ~ 5 0
208 GES J07472344-3743090 * 07 47 23.4252051504 -37 43 09.053984964   15.081 13.926     ~ 2 0
209 2MASS J07472710-3807556 * 07 47 27.1003197216 -38 07 55.688402496   18.606 17.172     ~ 1 0
210 CD-37 3911 * 07 47 29.3430507552 -37 52 50.695977900   11.358 10.870     ~ 5 0
211 2MASS J07474203-3811103 * 07 47 42.0318750144 -38 11 10.331573712   15.655 14.615     ~ 1 0
212 Cl* NGC 2451 PKB 2381 * 07 47 44.1735094008 -37 59 03.154073496   12.585 11.860     ~ 14 0
213 2MASS J07474615-3809192 * 07 47 46.1555748744 -38 09 19.267187724   13.326 12.727     ~ 1 0
214 2MASS J07474624-3730561 * 07 47 46.2432985776 -37 30 56.313246744   15.373 14.468     ~ 1 0
215 CD-37 3917 * 07 47 46.7078345616 -37 52 52.574566224   10.917 10.434     ~ 6 0
216 NGC 2457 G 07 54 54.4816935336 +55 32 47.039121708   15.6       ~ 13 0
217 2MASS J08090250-4858172 Y*O 08 09 02.5063872816 -48 58 17.289559668     13.13 12.73 12.32 G6-G7 31 0
218 Cl* NGC 2547 OJD 50 * 08 09 35.4834335520 -49 13 03.335454768   18.493 18.006 18.48 16.74 M4.5 11 0
219 NGC 2547 OpC 08 09 52.360 -49 10 35.01           ~ 372 0
220 CD-48 3547 CV* 08 10 06.0739176720 -49 14 18.083781384   9.97 9.88 9.83   A1V 24 0
221 HD 69830 PM* 08 18 23.9469682407 -12 37 55.817187530   6.74 5.95     G8:V 501 1
222 IC 2391 OpC 08 41 10 -52 59.5           ~ 787 0
223 SA 101- reg 09 57 28.2 -00 19 39           ~ 74 0
224 IC 2602 OpC 10 42 27 -64 25.6           ~ 633 0
225 * bet Leo dS* 11 49 03.57834 +14 34 19.4090 2.30 2.22 2.13 2.08 2.06 A3Va 564 0
226 * eta Crv PM* 12 32 04.2264018482 -16 11 45.618615379   4.658 4.294     F2V 304 0
227 HD 109573 PM* 12 36 01.0317461592 -39 52 10.220465388   5.786 5.774 7.25 5.81 A0V 601 1
228 HD 113766 ** 13 06 35.83622 -46 02 02.0178   7.91 7.56     F3/5V 100 1
229 * eta Tel PM* 19 22 51.2060774616 -54 25 26.145617376   5.035 5.020   4.99 A0V 205 0
230 * alf PsA ** 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1189 3
231 HD 218396 El* 23 07 28.7157209544 +21 08 03.310767492   6.21 5.953     F0+VkA5mA5 1050 0

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2022.12.07-21:19:05

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