1999A&A...352..228M

Query : 1999A&A...352..228M

1999A&A...352..228M - Astronomy and Astrophysics, volume 352, 228-238 (1999/12-1)

Transitional YSOs: candidates from flat-spectrum IRAS sources.

MAGNIER E.A., VOLP A.W., LAAN K., VAN DEN ANCKER M.E. and WATERS L.B.F.M.

Abstract (from CDS):

We are searching for Young Stellar Objects (YSOs) near the boundary between protostars and pre-main-sequence objects, what we term Transitional YSOs. We have identified a sample of 125 objects as candidate transitional YSOs on the basis of IRAS colors and the optical appearance on POSS plates. We have obtained optical and near-IR imaging of 82 objects accessible from the Northern Hemisphere and optical images of 62 sources accessible from the South. We also created deconvolved 60µm IRAS images of all sources. We have classified the objects on the basis of their morphology in the optical and near-IR images. We find that the majority of our objects are associated with star-forming regions, confirming our expectation that the bulk of these objects are YSOs. Of the 125 objects, 28 have a variety of characteristics very similar to other transitional YSOs, while another 22 show some of these characteristics. Furthermore we have found seven objects to be good candidates for members of the Herbig Ae/Be stellar group, of which three are newly identified as such. We have placed a set of images for each of the objects in the archives of the Centre de Donnees astronomique de Strasbourg (CDS).

Abstract Copyright: ∼

Journal keyword(s): stars: circumstellar matter - stars: evolution - stars: formation - stars: mass-loss - stars: pre-main sequence

VizieR on-line data: <Available at CDS (J/A+A/352/228): table1.dat table1.ps table1.tex fig/*>

Simbad objects: 177

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Number of rows : 177
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 IRAS 00294+6510 IR 00 32 18.5 +65 27 20           ~ 5 0
2 IRAS 00353+6249 * 00 38 18.7128940808 +63 06 05.260760322           ~ 4 0
3 IRAS 00544+5609 Y*O 00 57 25.04976 +56 25 15.7584           ~ 4 0
4 IRAS 02048+5957 Y*O 02 08 27.1488382728 +60 11 49.320885048           ~ 11 0
5 2MASS J02303247+7259177 TT* 02 30 32.4807823008 +72 59 17.750135184 16.619 16.308 15.536 15.053 14.489 G7 14 0
6 LDN 1340 DNe 02 30 40 +72 57.3           ~ 34 0
7 LZK 12 Or* 03 29 10.393560 +31 21 59.19408   15.814 14.497 14.636   B5:V+F2: 140 0
8 NGC 1333 OpC 03 29 11.3 +31 18 36           ~ 1450 1
9 HD 21389 sg* 03 29 54.7436040912 +58 52 43.496880384 4.99 5.10 4.54 4.03 3.53 A0Ia 296 0
10 IRAS 03383+4343 * 03 41 45.6050345808 +43 52 58.351891944           ~ 3 0
11 IRAS 03412+6759 G 03 46 08.7797289840 +68 09 06.221601972           ~ 2 0
12 IC 342 SBG 03 46 48.514 +68 05 45.98   10.5       ~ 1516 1
13 IRAS 03507+3801 Y*O 03 54 06.1900610208 +38 10 42.590684496           F5-K0 17 0
14 IRAS 04020+5017 IR 04 05 46.9269937296 +50 25 03.935739360           ~ 4 0
15 IRAS 04038+5437 HII 04 07 50.41704 +54 45 31.6224           ~ 2 0
16 IRAS 04104+5029 Y*O 04 14 15.623 +50 37 30.78           ~ 10 0
17 2MASX J04152200+5034364 G 04 15 21.9443200056 +50 34 36.873329052           ~ 5 0
18 V* ZZ Tau Or* 04 30 51.3867375744 +24 42 22.335046020     12.90 13.97   M2.5V+M3.5V 149 0
19 LDN 1551 DNe 04 31 30.0 +18 12 30           ~ 805 1
20 V* HL Tau Or* 04 31 38.5107609312 +18 13 57.859747968   15.89 14.49 14.39   K5 1423 0
21 IRAS 04287+1807 mul 04 31 38.8 +18 13 57           ~ 796 0
22 32P 36 G 04 40 00.8 +49 19 48           ~ 16 1
23 LHA 120-N 89 LP* 04 55 06.56376 -69 17 08.6784     19.60 18.53   ~ 24 0
24 IRAS 05017+2639 IR 05 04 50.6 +26 43 18           ~ 6 0
25 NGC 1788 RNe 05 06 54 -03 20.5   5.8       ~ 34 1
26 2MASS J05065551-0321132 TT* 05 06 55.5165452664 -03 21 13.327504020 13.54 13.65 12.84 12.18 11.42 B3e 37 1
27 EM* MWC 485 Em* 05 14 26.9228765712 +32 48 03.269287044   12.700 12.245 12.183   Be 10 0
28 IRAS 05177+3636 smm 05 21 09 +36 39.5           ~ 5 0
29 NGC 1893 OpC 05 22 53.8 +33 26 38           ~ 261 0
30 IRAS 05198+3325 Y*O 05 23 08.244 +33 28 34.01   14.45 15.734 15.442 14.085 B1.5Ve 25 0
31 LEDA 86275 G 05 25 16.5 +19 10 46           ~ 34 0
32 IRAS 05235+4033 IR 05 27 03.9 +40 35 41           ~ 1 0
33 LBN 168.13+02.97 HII 05 27 10 +40 37.5           ~ 11 0
34 HD 36408A Be* 05 32 14.1413460264 +17 03 29.278298880 5.823 6.103 6.090 6.037   B5V 102 0
35 GLMP 104 HII 05 34 56.8 +27 50 58           ~ 7 0
36 IRAS 05327+3404 Y*O 05 36 05.9747181336 +34 06 11.867057640     18.62     K2IIIe 16 1
37 M 36 OpC 05 36 20.2 +34 08 06   6.09 6.0     ~ 186 2
38 V* V1183 Ori TT* 05 36 31.602864 -06 08 26.92716   16.32 14.61 13.80 12.330 K5.0 32 0
39 IRAS 05343+3605 IR 05 37 41.8 +36 07 21           ~ 9 0
40 Haro 4-254 Y*O 05 38 52.3773529608 -07 21 09.296181180   16.5 15.712   12.743 G4.3 39 0
41 LDN 1641 MoC 05 39.0 -07 00           ~ 479 0
42 IRAS 05373+2349 Y*O 05 40 24.2280641304 +23 50 54.705306336           ~ 60 1
43 Mol 12 Rad 05 40 24.4 +23 50 54           ~ 49 0
44 [KOY98] 183.7-03.6 MoC 05 40 40.5 +23 52 16           ~ 4 0
45 HD 38087 ** 05 43 00.5754723576 -02 18 45.389406240 7.96 8.40 8.29 8.06 7.89 B3II 168 1
46 IRAS 05437+2502 MIR 05 46 51.48888 +25 03 47.5884           ~ 3 0
47 IRAS 05440+2059 IR 05 47 01.77 +21 00 25.2           ~ 23 2
48 [CB88] 34 MoC 05 47 02.3 +21 00 10           ~ 61 0
49 GGD 8 HH 05 50 53.9 +03 07 34           ~ 10 0
50 LDN 1617 DNe 05 51 46 +02 48.5           ~ 60 0
51 2MASS J05574947-1405336 Y*O 05 57 49.4713881960 -14 05 33.602900028       14.18   B5? 19 0
52 IRAS 05555-1405 mul 05 57 49.6 -14 05 42           ~ 18 0
53 VDB 64 RNe 05 57.9 -14 04           ~ 8 0
54 BD-14 1294 * 05 57 54.0860180952 -14 03 40.080822192   10.62 10.57 10.72   ~ 5 1
55 IRAS 06005+3010 IR 06 03 43.5 +30 10 17           ~ 2 0
56 LBN 181.00+04.13 HII 06 04 +30.2           ~ 4 0
57 BD+30 1096 * 06 04.5 +30 31   10.94 10.40     ~ 10 1
58 IRAS 06017+3006 HII 06 04 57.07056 +30 06 44.1720           ~ 5 0
59 NAME HH 999-IRS Y*O 06 07 08.500 -11 17 51.23           ~ 16 0
60 IRAS 06040+2958 Y*O 06 07 15.3938177424 +29 57 55.038550716   15.3 14.0     B2 22 0
61 EM* MWC 790 Em* 06 07 23.9375292000 +30 11 44.321473428   13.24 12.58 12.48   Be 18 0
62 IRAS 06059-0935 IR 06 08 20.6 -09 36 04           ~ 2 0
63 2MASX J06163176+2347234 G 06 16 31.769 +23 47 23.47           ~ 10 0
64 IRAS 06142+1439 IR 06 17 04.6 +14 37 52           ~ 5 0
65 IRAS 06244+0336 IR 06 27 02.62 +03 34 26.4           ~ 7 0
66 NGC 2247 RNe 06 33 04.4 +10 19 21   8.5       ~ 66 0
67 IRAS 06323+0718 IR 06 35 01.3 +07 15 58           ~ 3 0
68 2MASS J06374159-0058376 Y*O 06 37 41.5966904565 -00 58 37.643706888           ~ 10 0
69 RAFGL 989 Y*O 06 41 10.1587451112 +09 29 33.635220144   17.4 16.8 18.26 17.28 B2 266 0
70 NAME Maddalena Cloud MoC 06 48.1 -03 52           ~ 96 0
71 2MASX J06524563-0043559 G 06 52 45.637 -00 43 55.96           ~ 6 0
72 LEDA 136697 G 06 54 46.0 -03 54 32           ~ 8 0
73 2MASX J06560633+0033477 Y*O 06 56 06.336 +00 33 47.70           ~ 10 0
74 [FT96] 220.9-2.5 IR 06 57 08.8 -08 10 58           ~ 2 0
75 IRAS 06548-0815 TT* 06 57 14.790 -08 19 49.65           K5/K6(V) 6 0
76 [FT96] 214.7+0.7 IR 06 57 16.7 -01 13 39           ~ 2 0
77 IRAS 06547-0105 mul 06 57 17.9 -01 09 50           ~ 1 0
78 NAME CMa W * 06 59 12.9 -11 58 57           ~ 13 0
79 NAME Bip 14 Cluster OpC 06 59 16.7 -03 59 35           ~ 60 0
80 IRAS 06567-0350 HII 06 59 16.84 -03 54 43.7           ~ 16 0
81 IRAS 06584-0852 Y*O 07 00 50.94192 -08 56 30.1812           ~ 36 0
82 IRAS 07166-1816 IR 07 18 50.8 -18 22 12           ~ 1 0
83 2MASX J07202198-2747113 RNe 07 20 21.985 -27 47 11.38           ~ 11 0
84 BRAN 23 EmO 07 24 12.7580925622 -25 49 57.951035870           ~ 11 0
85 IRAS 07254-2259 IR 07 27 34.9 -23 05 25           ~ 2 0
86 IRAS 07466-2631 Y*O 07 48 43.272 -26 39 31.15           ~ 8 0
87 IRAS 08100-3818 IR 08 11 55.0 -38 27 55           ~ 4 0
88 IRAS 08211-4158 IR 08 22 52.08 -42 07 53.7           ~ 25 0
89 PK 260+00 1 RNe 08 42 16.01 -40 44 06.8           ~ 13 0
90 ESO-HA 161 Ae* 08 42 16.5851692368 -40 44 09.961637460   15.98 14.69 14.71   ~ 27 0
91 BRAN 187A RNe 08 49 06.9 -47 00 19           ~ 4 0
92 IRAS 08474-4649 MIR 08 49 07.10256 -47 00 23.8428           ~ 3 0
93 BRAN 187B RNe 08 49 11.5 -47 00 13           ~ 5 0
94 IRAS 08500-4254 cor 08 51 49.2269863104 -43 05 30.585608412           ~ 9 0
95 DCld 264.3+01.5 DNe 08 54 42 -42 54.8           ~ 68 0
96 IRAS 08534-4301 MIR 08 55 13.08720 -43 12 53.6148           ~ 1 0
97 RCW 34 HII 08 56 28.1 -43 05 58   10.5 11.21     ~ 96 0
98 V* V391 Vel Or* 08 56 28.109952 -43 05 55.40028 12.61 12.71 11.73 11.50   O8/8.5V 82 1
99 BRAN 259A RNe 09 22 13.5 -48 05 00     17.00     ~ 9 0
100 BRAN 259B RNe 09 22 17.3 -48 03 43     15.00     ~ 6 0
101 IRAS 09207-4757 * 09 22 30.7363709640 -48 10 12.737110548           ~ 2 0
102 IC 2554 AG? 10 08 50.563 -67 01 51.07   12.43 13.20 11.24 11.9 ~ 64 0
103 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1703 1
104 ESO 317-41 Sy2 10 31 23.1149036016 -42 03 38.266484832   14.42   13.18   ~ 58 0
105 IRAS 10381-5704 * 10 40 09.3658313763 -57 20 09.382101388           ~ 1 0
106 IRAS 10406-6253 GNe 10 42 28.0 -63 08 54           ~ 6 0
107 [DB2002b] G288.96-3.84 DNe 10 42 32 -63 09.7           ~ 4 0
108 IRAS 11507-6213 IR 11 53 12.8 -62 30 19           ~ 3 0
109 IRAS 12190-6215 MIR 12 21 50.62992 -62 31 42.2148           ~ 1 0
110 WRAY 16-110 Ae* 12 22 23.1795443592 -63 17 16.820519604   13.88 13.08     B6Ve 46 0
111 IRAS 12389-6147 Y*O 12 41 53.86824 -62 04 14.6064           ~ 18 0
112 IRAS 12391-6156 * 12 42 07.84104 -62 13 16.9068           ~ 1 0
113 DCld 302.0+00.8 DNe 12 43 08 -62 06.0           ~ 3 0
114 THA 17-35 Ae* 13 20 03.5823804072 -62 23 54.054672576 13.85 13.93 13.46     B8Ve 28 0
115 IRAS 13224-5928 IR 13 25 44.64 -59 43 50.9           ~ 11 0
116 [DB2002b] G307.25+2.86 MoC 13 25 49 -59 42.9           ~ 9 0
117 IRAS 14047-6123 LP* 14 08 28.1618771904 -61 37 52.202239104           ~ 3 0
118 NGC 5607 G 14 19 26.693 +71 35 17.75   13.9       ~ 54 0
119 IRAS 14375-6052 MIR 14 41 25.35 -61 05 11.8           ~ 2 0
120 ESO 273-4 Sy2 14 48 40.5 -43 56 07   15.67 14.72     ~ 36 0
121 IRAS 14563-6301 IR 15 00 25.0 -63 13 36           ~ 8 0
122 NGC 5844 PN 15 10 40.60 -64 40 25.0     12.70     ~ 78 0
123 IRAS 15365-5435 LP? 15 40 21.2607955392 -54 45 02.507971428           ~ 2 0
124 HD 142527 Ae* 15 56 41.8882637904 -42 19 23.248281828   9.04 8.34     F6III 642 1
125 BHR 126 MoC 16 04 29 -39 37.8           ~ 8 0
126 GSC 07855-00815 * 16 05 03.9087521832 -39 45 03.780324972   14.54 13.93     A5V 13 0
127 ESO 137-34 Sy2 16 35 14.114 -58 04 48.10   12.20   10.84 11.6 ~ 141 0
128 IRAS 17199-3711 AB? 17 23 22.8837065688 -37 13 47.848073052           ~ 2 0
129 IRAS 17340-3757 IR 17 37 29.7 -37 59 23           ~ 4 0
130 M 8 OpC 18 03 37 -24 23.2           ~ 613 1
131 RAFGL 2059 Y*O 18 04 53.1586569336 -24 26 41.642012796 19.905 21.910 18.914   14.078 ~ 144 0
132 PN M 1-41 PN 18 09 30.10 -24 12 26.0     15.00     ~ 67 0
133 OH 025.5-00.3 OH* 18 38 50.54280 -06 44 49.6068           O-rich 24 0
134 IRAS 18361-0647 mul 18 38 50.7 -06 44 54           ~ 22 0
135 LDN 495 DNe 18 38 58 -06 44.0           ~ 9 0
136 NGC 6729 ISM 19 01 46.4 -36 57 40           ~ 55 0
137 V* R CrA Ae* 19 01 53.6764322232 -36 57 08.299341828 12.781 12.651 11.917 11.242 10.412 B5IIIpe 478 1
138 IRAS 19025+0739 mul 19 05 00.0 +07 44 25           ~ 1 0
139 IRAS 19050+0524 * 19 07 32.3449003512 +05 29 35.843902368           ~ 1 0
140 PN K 3-25 Sy* 19 13 33.6913394808 +02 18 13.050792684           M2IIe 39 1
141 IRAS 19187+1556 AB? 19 20 58.354 +16 02 17.27           ~ 2 0
142 HD 184961 * 19 36 08.3511576408 +22 35 08.744220600   6.267 6.319     B9IVpSi 66 0
143 LEDA 90334 Sy1 19 37 33.0247353552 -06 13 04.809737748   16.12 15.35 8.8   ~ 164 1
144 IRAS 19365+2557 IR 19 38 34.6 +26 04 49           ~ 2 0
145 IRAS 19520+2616 IR 19 54 05.5 +26 24 30           ~ 1 0
146 Min 3-60 LP? 20 04 23.6504906400 +33 39 04.363566300           K?e 64 1
147 IRAS 20049+3326 * 20 06 52.5524194680 +33 34 50.423981304           ~ 1 0
148 LBN 070.95+00.74 HII 20 07 +33.6           ~ 1 0
149 IRAS 20072+2720 IR 20 09 20.1 +27 29 25           ~ 4 0
150 IRAS 20078+3528 IR 20 09 44.7 +35 37 06           ~ 1 0
151 LBN 073.10+01.41 HII 20 10 +35.8           ~ 2 0
152 IRAS 20172+3554 LP? 20 19 11.2650518520 +36 03 59.321952756           ~ 2 0
153 IRAS 20193+3448 MIR 20 21 18.90408 +34 57 50.9832           ~ 6 0
154 JCMTSF J202528.1+410812 * 20 25 27.8 +41 08 20           ~ 9 0
155 LBN 079.14+01.74 HII 20 26 +41.0           ~ 1 0
156 IRAS 20337+4036 IR 20 35 32.7 +40 46 34           ~ 3 0
157 LBN 079.99+00.01 HII 20 36 +40.7           ~ 2 0
158 IC 5067 ISM 20 47.9 +44 22           ~ 11 1
159 JCMTSF J205042.8+442157 Cld 20 50 43.2 +44 22 00           ~ 21 0
160 LBN 084.07-00.30 HII 20 51 +43.7           ~ 1 0
161 V* V2492 Cyg Or* 20 51 26.2367188536 +44 05 23.869354488   20.2   18.3   F-GII/MI 94 0
162 IRAS 20582+7724 Y*O 20 57 12.9250225656 +77 35 43.656301932           ~ 117 0
163 LDN 1228 DNe 20 57 13 +77 35.8           ~ 128 0
164 RNO 129 Y*O 20 59 14.08512 +78 23 04.0020       15.30   G:e 47 1
165 IRAS 21351+5625 Ae* 21 36 46.047 +56 38 56.08   19.83     15.53 ~ 4 0
166 IRAS 21485+5645 MIR 21 50 12.51624 +56 59 24.2880           ~ 7 0
167 GLMP 1049 Y*O 21 58 35.90 +58 57 22.8           ~ 13 0
168 LDN 1143 DNe 21 58 43 +58 57.6           ~ 13 0
169 LBN 102.79-00.92 HII 22 19 09.0 +56 04 45           ~ 103 0
170 IRAS 22172+5549 Y*O 22 19 09.14787 +56 05 00.0380           ~ 104 0
171 IRAS 22206+6333 IR 22 22 18.0 +63 48 52           ~ 1 0
172 LDN 1204 DNe 22 26.7 +63 15           ~ 87 1
173 LBN 108.88+06.09 HII 22 29 15.9 +64 51 08           ~ 14 0
174 IRAS 22299+6435 MIR 22 31 33.22128 +64 51 12.8160           ~ 1 0
175 NGC 7679 Sy2 23 28 46.6613717400 +03 30 41.013578196   13.2       ~ 270 1
176 IRAS 23350+6413 MIR 23 37 23.58840 +64 29 34.9800           ~ 6 0
177 IRAS 23395+6358 LP? 23 41 55.9962496560 +64 15 12.571682400           ~ 4 0

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