1999A&AS..135...41D

Query : 1999A&AS..135...41D

1999A&AS..135...41D - Astron. Astrophys., Suppl. Ser., 135, 41-56 (1999/February-2)

Searching for very low-mass stars and brown dwarfs with DENIS.

DELFOSSE X., TINNEY C.G., FORVEILLE T., EPCHTEIN N., BORSENBERGER J., FOUQUE P., KIMESWENGER S. and TIPHENE D.

Abstract (from CDS):

We present the results of infrared spectroscopic observations of a sample of very low-mass stars and brown dwarf candidates detected in a 230 square degree area by the DENIS (DEep Near Infrared Southern sky; Epchtein, 1997Msngr..87...27E) survey. We find that objects as faint as the faintest known stars are easily detected by DENIS. This sample also includes three members of the new ``L'' dwarf class, one of which was the first confirmed isolated field brown dwarf. As this data represents ∼1% of the total DENIS survey area, the completed survey can be expected to have a dramatic impact on the study of the faintest stars and brown dwarfs. In particular, it should detect ∼300 of the new and poorly understood ``L'' class of dwarfs.

Abstract Copyright: ∼

Journal keyword(s): stars: low-mass,brown dwarfs - stars: luminosity function, mass function - infrared: stars - surveys

CDS comments: Table 3: GRH 2208 = GRH 220823.0-171336 or GRH 220849.3-175938 ?

Simbad objects: 65

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Number of rows : 65
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 DENIS J0020.9-4414 LM* 00 20 59.8310144688 -44 14 34.094820372           M9.4V 4 0
2 Koenigstuhl 1B BD* 00 21 05.9180929272 -42 44 43.525081140       19.46 16.79 L0.6:V 30 0
3 LP 881-64 ** 00 24 44.1774908692 -27 08 25.263232614   17.18 15.338 13.502 11.403 M5.5/6Ve+M8.5Ve+M9/9.5V 139 0
4 NAME SGP reg 00 51 26.275 -27 07 41.70           ~ 567 0
5 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11146 1
6 RG 0050-2722 PM* 00 52 54.6987655128 -27 05 59.561032272     21.51     M7.5:V 40 0
7 2MASS J01420627-4714578 BD? 01 42 06.2873913888 -47 14 57.810002316           ~ 2 0
8 SIPS J0142-3952 PM* 01 42 12.2414216520 -39 52 03.381540492           ~ 2 0
9 2MASS J01511887-6430475 BD? 01 51 18.8811360312 -64 30 47.541924144           ~ 5 0
10 2MASS J02050448-0653255 BD? 02 05 04.4830765104 -06 53 25.521955296           ~ 5 0
11 DENIS J020529.0-115925 BD* 02 05 29.3651195393 -11 59 29.721210536           L7V 150 0
12 2MASS J02053923-4313291 LM* 02 05 39.2230911888 -43 13 29.200422360           ~ 1 0
13 2MASS J02054509-3357121 LM* 02 05 45.1048937904 -33 57 12.130082136           ~ 1 0
14 * omi Cet Mi* 02 19 20.79210 -02 58 39.4956   7.63 6.53 5.03   M5-9IIIe+DA 1528 0
15 LP 944-20 LM* 03 39 35.2523500210 -35 25 43.641996333     18.69 16.39 13.288 M9.5Ve 289 0
16 Cl Melotte 22 OpC 03 46 24.2 +24 06 50           ~ 3434 0
17 2MASS J04265677-5735495 LM* 04 26 56.7679334568 -57 35 49.354426572           ~ 2 0
18 2MASS J04291099-6649434 PM* 04 29 11.0163635101 -66 49 43.520162709           M9.5 5 0
19 2MASS J04303180-8315012 LM* 04 30 31.7836792728 -83 15 01.208351016           ~ 1 0
20 V* R Dor AB* 04 36 45.59127 -62 04 37.7974 7.84 6.98 5.40 2.71 -0.44 M8III:e 346 0
21 2MASS J04490580-0228233 LM* 04 49 05.8112292960 -02 28 23.210271120           ~ 4 0
22 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17430 0
23 2MASS J05595854-8433391 LM* 05 59 58.5871511184 -84 33 39.170726748           ~ 1 0
24 HD 42581B BD* 06 10 34.80 -21 52 00.0           T6.5 504 0
25 Ruiz 207-61 LM* 07 07 53.2835132233 -49 00 50.299705073     20.99   16.37 M8.8V 48 0
26 LP 605-23 Er* 08 32 30.4836775707 -01 34 38.551452575   20.2 18.44     M6Ve 40 0
27 LP 666-9 LM* 08 53 36.1604798120 -03 29 32.197505547     18.959 16.781 14.487 M9Ve 252 0
28 DENIS J090957.1-065806 BD* 09 09 57.4806647448 -06 58 18.655430772     19.2     L0.2V 40 0
29 2MASS J09101078+0019018 LM* 09 10 10.7827310784 +00 19 01.739949312         18.25 M9V 4 0
30 2MASS J09123766-0243229 LM* 09 12 37.6645154280 -02 43 23.089811016           ~ 1 0
31 SIPS J0912-0414 LM* 09 12 40.1171093328 -04 14 02.160548124           ~ 3 0
32 DENIS J0939.8-1159 LM* 09 39 53.9106398976 -11 59 32.620398504           ~ 1 0
33 2MASS J09444998-0900294 LM* 09 44 49.9755490560 -09 00 29.041283664           ~ 1 0
34 2MASS J09450069-1305538 LM* 09 45 00.7046181528 -13 05 54.180583080           ~ 3 0
35 2MASS J10051671-1202100 LM* 10 05 16.7089565160 -12 02 10.091364684           ~ 3 0
36 2MASS J10074175-1706421 LM* 10 07 41.7580788480 -17 06 42.041567340           ~ 1 0
37 2MASS J10081209-1437533 LM* 10 08 12.0971826624 -14 37 53.540686776           ~ 2 0
38 2MASS J10250586-1956473 LM* 10 25 05.8541435688 -19 56 47.928576372       17.984 15.582 ~ 3 0
39 2MASS J10260066-0637398 LM* 10 26 00.6646567920 -06 37 39.969190128           ~ 1 0
40 UCAC4 375-061294 LM* 10 58 33.0627162888 -15 10 05.926829664           ~ 1 0
41 SIPS J1058-1548 BD* 10 58 47.8366017792 -15 48 17.250428304       20.095 17.764 L3V 100 2
42 LP 732-20 PM* 11 20 26.2965076927 -14 40 02.323602484           M5Ve 43 0
43 SIPS J1154-2411 LM* 11 54 25.5911292576 -24 11 07.169429328           ~ 5 0
44 DENIS J1154.4-0943 LM* 11 54 27.8229778128 -09 43 10.726481892           ~ 2 0
45 DENIS J1154.5+0135 LM* 11 54 34.0073828424 +01 35 54.438750636           M9: 5 0
46 2MASS J12274835+0005446 LM* 12 27 48.3690111456 +00 05 44.334721716           M8V 7 0
47 UCAC4 457-050249 * 12 28 01.2857064720 +01 14 39.642395064   17.01 15.75 15.61   ~ 1 0
48 SIPS J1228-1547 BD* 12 28 15.23184 -15 47 34.2312       20.187 18.163 L5.5+L5.5 145 0
49 UCAC4 329-064804 * 12 28 20.6790339480 -24 15 06.952150152   17.19 16.40 16.14   ~ 3 0
50 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1178 0
51 Ross 845 LM* 14 13 04.8612731903 -12 01 26.806941526   15.471 13.889 13.562 10.734 M5Ve 72 0
52 GD 165B BD* 14 24 39.09480 +09 17 10.4352         20.53 L4V 205 0
53 LP 914-54 Er* 14 56 38.2634715567 -28 09 48.619153485     17.141 14.863 12.433 M7.0Ve 156 0
54 UCAC4 325-084883 * 16 28 06.6226594344 -25 10 23.607473520   16.87 15.82 13.94   ~ 1 0
55 NAME Barnard's star BY* 17 57 48.4984700685 +04 41 36.113879676 12.497 11.24 9.511 8.298 6.741 M4V 812 2
56 CD-23 14742 Er* 18 49 49.3637762005 -23 50 10.447375350 13.528 12.19 10.43 10.23 7.703 M3.5Ve 378 0
57 VB 10 Er* 19 16 57.6109547886 +05 09 01.600923413     17.30     M8V 476 1
58 2MASS J20400612-3245244 LM* 20 40 06.1336975728 -32 45 24.518298204           ~ 3 0
59 2MASS J20402306-5700231 LM* 20 40 23.0653705872 -57 00 23.034388284           ~ 3 0
60 2MASS J20525491-5512024 LM* 20 52 54.8936739792 -55 12 02.360366352           ~ 4 0
61 DENIS J214351.5-833713 LM* 21 43 51.6332434157 -83 37 13.566615535         16.082 ~ 6 0
62 DENIS J2146.1-2153 LM* 21 46 11.9677116211 -21 53 23.320559276         18.383 M9V 6 0
63 LP 760-3 LM* 22 28 54.3488414218 -13 25 19.457590378   19.3 17.14     M6.5V 73 0
64 V* EZ Aqr Er* 22 38 33.576000 -15 17 59.75700 15.762 14.33 12.38 12.12 8.677 M5V 304 1
65 * bet Gru LP? 22 42 40.05027 -46 53 04.4752 5.33 3.73 2.11 0.20 -1.57 M4.5III 202 1

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