2003PASP..115..796Y

Query : 2003PASP..115..796Y

2003PASP..115..796Y - Publ. Astron. Soc. Pac., 115, 796-806 (2003/July-0)

Finding cool subdwarfs using a V-J reduced proper-motion diagram: stellar parameters for 91 candidates.

YONG D. and LAMBERT D.L.

Abstract (from CDS):

We present the results of a search for cool subdwarfs for which our candidates were drawn from a V-J reduced proper-motion diagram constructed by Salim & Gould. Kinematic (U, V, and W) and self-consistent stellar parameters (Teff, logg, [Fe/H], and ξt) are derived for 91 candidate subdwarfs based on high-resolution spectra. The observed stars span 3900 K<Teff< 6200 K and -2.63<[Fe/H]<0.25 including only three giants (logg<4.0). Of the sample, 77 stars have MgH lines present in their spectra. With more than 56% of our candidate subdwarfs having [Fe/H]≤-1.5, we show that the V-J reduced proper-motion diagram readily identifies metal-poor stars.

Abstract Copyright: ∼

Journal keyword(s): Stars: Abundances - Stars: Fundamental Parameters - Stars: Subdwarfs

CDS comments: Table 1 : probable misprint in coordinates of G 129-57.

Simbad objects: 91

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Number of rows : 91
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 BD+20 5418 SB* 00 01 49.3575619848 +21 27 45.017405460       9.6   K3 18 0
2 Ross 541 PM* 00 08 19.6603268524 -05 14 54.902060300   12.691 12.135 11.762 11.400 ~ 31 0
3 LP 192-43 PM* 00 14 44.9486797224 +41 22 37.181161200   14.20   12.9   ~ 6 0
4 G 31-56 PM* 00 29 46.7347724520 +01 01 00.091685712   13.34   11.6   ~ 11 0
5 G 270-15 PM* 00 36 13.6446110928 -08 40 38.438487156   12.79 12.12     ~ 9 0
6 G 270-44 PM* 00 42 43.6846332744 -12 39 21.367276092   12.93 12.39     ~ 14 0
7 Wolf 1504 PM* 00 44 32.0826556168 +29 54 24.776192869   14.29   12.6   G2 26 0
8 Wolf 17 PM* 00 44 49.1488530391 -00 06 41.576877359   14.1 12.96     ~ 10 0
9 G 269-112 PM* 01 09 56.5513514089 -30 08 52.836609686   14.9       ~ 13 0
10 HIP 6001 PM* 01 17 11.4004998072 +09 30 03.677864472   12.47 11.75     ~ 15 0
11 G 272-38 PM* 01 33 02.3827182452 -16 10 43.516261509   15.3       ~ 7 0
12 G 72-18 SB* 01 37 56.8974066864 +32 21 02.947076712   14.33   12.9   ~ 17 0
13 Wolf 1065 PM* 01 42 57.7349624428 +17 08 03.581061817   13.43   12.0   K3 26 0
14 StKM 1-206 PM* 01 52 51.3073160352 +04 49 57.746214876   12.15 11.34     K6 16 0
15 G 272-150 PM* 02 05 13.5463954056 -20 29 34.080191052   14.4       ~ 5 0
16 L 584-7 Pe* 02 13 48.0044000064 -25 31 00.178133826   14.3 12.70     K2: 13 0
17 Wolf 125 PM* 02 13 49.9868385872 +15 59 11.213546810   14.23   12.8   M5.5V 27 0
18 LP 829-32 PM* 02 14 26.4230797432 -24 57 07.239126845   12.34 11.73     ~ 10 0
19 StKM 2-203 PM* 02 17 26.5426122985 +27 08 14.177849100       10.605   K4V 20 0
20 LP 885-44 PM* 02 17 39.7288689057 -32 04 17.417893662   12.44 11.39     ~ 10 0
21 G 74-21 PM* 02 24 14.6542611274 +41 13 46.562769218   13.1   12.4   ~ 12 0
22 L 729-4 PM* 02 31 29.9620351560 -15 36 47.466473733   13.6       ~ 9 0
23 G 75-23 PM* 02 33 21.2873363843 -06 43 40.556299944   12.5       ~ 7 0
24 G 75-32 PM* 02 39 34.4873852760 -05 14 32.625743856   12.59 11.61     ~ 10 0
25 L 586-41 PM* 02 58 26.5133347931 -29 04 27.116002324   14.4       K4 15 0
26 BD+08 469 PM* 03 11 10.3275765744 +09 11 46.935522024   12.56   10.996   K6V 21 0
27 Ross 373 PM* 03 17 52.9555077012 +23 37 21.183979373   13.9   13.0   K2 21 0
28 L 731-26 PM* 03 23 52.7825302204 -17 18 20.782177650   13.6 12.6     K3 16 0
29 StKM 1-388 Em* 03 35 19.2086981736 +05 43 31.042545780   12.95 12.15     K5 18 0
30 LP 773-20 PM* 03 39 03.8119875288 -19 26 44.216980044   13.37 12.55     ~ 6 0
31 BD-01 525 * 03 44 26.8339757592 -00 41 14.083733796   11.1 10.5     F0 22 0
32 HD 25893A PM* 04 07 34.3560893496 +38 04 28.342032348   8.08 7.23     ~ 42 0
33 BD-06 855 PM* 04 14 58.1068708300 -05 37 48.859008052   11.278 10.601 10.192 9.794 ~ 94 0
34 HD 29050 PM* 04 35 17.2307371464 +23 02 42.627560928   9.67 8.9     G8V 34 0
35 G 8-45 PM* 04 37 49.5410437248 +19 40 10.105737240   14.143 12.932 12.198 11.522 ~ 17 0
36 G 83-26 PM* 04 38 16.4682730576 +12 51 02.684116804   13.282 12.358 11.790 11.285 ~ 18 0
37 Ross 382 PM* 04 56 23.3055657135 +14 55 11.689059683   13.304 12.413 11.857 11.330 G8 29 0
38 LP 835-52 PM* 04 57 29.9662018560 -23 57 25.037627508   13.26 12.24     ~ 6 0
39 HIP 23113 ** 04 58 23.7659438688 +51 49 34.456772856   12.52 11.75 11.59   ~ 14 0
40 G 191-17 PM* 04 59 32.0168101318 +48 46 44.562504618       10.5   M0V 31 0
41 HD 241659 SB* 05 12 45.2937847416 +04 19 15.909228480       10.1   ~ 39 0
42 BD+25 812B * 05 17 25.6063847592 +26 04 49.196364636   11.03 10.24     ~ 15 0
43 G 98-1 PM* 05 22 10.6703135304 +35 17 25.866963924   11.3   11.1   ~ 9 0
44 HD 246637 PM* 05 42 13.1302999449 +07 24 07.183918850   11.87   10.5   K4 34 0
45 HD 40891 SB* 06 06 24.6779984548 +63 50 06.463584247       7.9   G5 48 0
46 BD+10 1032 ** 06 10 54.80387 +10 19 04.9946 12.9 11.844 10.385 9.365 8.065 M2.5V 75 0
47 L 812-11 PM* 06 22 38.5657533184 -12 53 05.057239423   13.978 12.987 12.390 11.847 ~ 32 0
48 L 886-1 PM* 06 48 53.8952745136 -04 59 06.168426206   13.525 12.914 12.517 12.123 F8IV 19 0
49 HD 52456 * 07 01 35.5630396032 +06 55 36.632655696   9.02 8.14     K2V 64 0
50 LP 782-22 PM* 07 21 32.2274641224 -20 20 41.457786324   12.15 12.07     ~ 5 0
51 Ross 988 PM* 07 28 18.5108923493 +37 56 32.666549760   14.7   13.6   G5: 16 0
52 HD 60491 BY* 07 34 26.1676173360 -06 53 48.036803172 9.554 9.027 8.144 7.654 7.214 K1V 99 0
53 HD 66553 SB* 08 04 34.6747994829 +15 21 51.314598911   9.33   7.8   G5 55 0
54 G 51-7 PM* 08 20 06.8132977083 +34 42 16.673881235   13.5   12.3   ~ 22 0
55 HD 72614 PM* 08 35 27.8726976196 +41 44 24.951718252   9.72   8.2   K3 61 0
56 HD 73667 PM* 08 39 50.7918031107 +11 31 21.618142239 8.895 8.43 7.582 7.099 6.655 K2V 163 0
57 HD 77825 BY* 09 04 20.6940062640 -15 54 51.301830636   9.75 8.758   7.703 K2V 70 0
58 LP 210-38 Pe* 09 04 45.7497405768 +39 24 19.095515028   12.98 12.6 12.1   ~ 8 0
59 Ross 885 PM* 09 14 18.8523622614 +20 01 39.943679693   15.3   13.8   K3 14 0
60 G 116-51 PM* 09 46 16.8651980928 +38 39 26.433851364   13.5   12.1   ~ 5 0
61 HD 88133 PM* 10 10 07.6764870792 +18 11 12.728406552   8.88   7.5   G8V 128 1
62 Ross 893 PM* 10 28 54.4300439370 +27 02 31.378414670   14.7   13.2   K4 15 0
63 G 10-13 PM* 11 19 34.7781286501 -03 27 48.735788831   14.15 12.98 12.79   ~ 14 0
64 G 122-30 PM* 11 34 35.6202342641 +40 09 22.707824721       10.7   K0 22 0
65 Ross 908 PM* 11 52 32.0845719178 +27 30 51.302390776   13.24 12.32 11.8   G7 28 0
66 G 61-21 PM* 12 56 23.7399278898 +15 41 44.593399644   15.117 13.791 12.972 12.258 sdK 43 0
67 Ross 471 PM* 13 20 39.4955386725 -12 26 09.283931159   13.81 12.92     K1 14 0
68 G 63-40 PM* 13 36 47.4898852113 +19 05 12.921173178   12.778 11.936 11.431 10.958 ~ 27 0
69 LP 380-39 PM* 13 59 34.5281948688 +22 47 57.169886784       11.4   ~ 7 0
70 G 136-67 PM* 15 08 16.9822288410 +15 09 53.967076085       10.3   K3 13 0
71 G 181-19 PM* 16 59 09.4744864200 +34 51 56.584230876   13.41 12.61 12.44   ~ 17 0
72 G 183-7 PM* 17 52 48.3584665032 +14 38 36.910829545   13.483 12.530 11.958 11.417 ~ 17 0
73 G 185-30 PM* 19 33 06.9506476849 +23 59 51.702287160   13.58   11.5   ~ 24 0
74 BD+01 4042 PM* 19 35 43.6127743104 +01 43 41.823254784   11.00   9.5   G3 39 0
75 LP 813-13 PM* 19 43 42.6209690520 -15 55 37.279511148   13.034 12.416 12.014 11.597 ~ 10 0
76 G 125-28 PM* 19 45 03.1944222143 +29 19 43.196879989       10.0   K3 19 0
77 LP 338-10 PM* 20 05 16.3486210584 +31 12 10.403665956   13.3   12.5   ~ 5 0
78 Ross 197 PM* 21 18 32.9893587997 +52 23 37.327581461   13.03   11.7   K3 20 0
79 LP 929-34 PM* 21 22 14.5040828918 -27 02 16.814757828     13.02     ~ 6 0
80 BD+11 4571 ** 21 29 07.03863 +12 10 58.8101   12.24   10.8   M0V 48 0
81 LP 873-63 PM* 21 31 39.7903718524 -21 48 29.973329677   12.84 12.45     ~ 9 0
82 LP 875-66 PM* 22 07 44.2525767168 -22 14 54.411496116   14.0       ~ 6 0
83 Wolf 1563 Pe* 22 18 41.2270026822 -10 08 18.927964770   13.145 12.552 12.265 11.867 ~ 17 0
84 L 716-21 PM* 22 26 01.0277954365 -20 50 30.770186922   13.7 12.28     K1 23 0
85 Ross 236 PM* 22 47 04.1985705123 +29 51 08.075721153   12.180 11.521 11.443   G8 27 0
86 LP 401-30 SB? 23 00 12.7098664920 +21 56 31.310544768   14.1   12.5   ~ 7 0
87 G 273-76 PM* 23 34 56.3372019183 -20 38 44.568164491   12.9       ~ 9 0
88 G 157-88 ** 23 37 57.267048 -07 45 32.47704   14.476 13.572 13.041 12.578 ~ 14 0
89 G 273-105 PM* 23 41 17.8630216717 -19 47 36.666534703   14.277 13.458 12.962 12.491 ~ 12 0
90 CD-27 16491 PM* 23 56 13.5640692268 -26 25 59.307598893   12.034 11.310     ~ 17 0
91 Wolf 1050 PM* 23 57 53.7326334754 +08 36 46.780020437   13.40   11.2   K3: 20 0

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