2002A&A...391.1039K


C.D.S. - SIMBAD4 rel 1.7 - 2021.02.25CET23:50:27

2002A&A...391.1039K - Astronomy and Astrophysics, volume 391, 1039-1052 (2002/9-1)

The determination of Teff for metal-poor A-type stars using V and 2MASS J, H and K magnitudes.

KINMAN T. and CASTELLI F.

Abstract (from CDS):

Effective temperatures (Teff) can be determined from (V-J)0, (V-H)0 and (V-K)0 colours that are derived from 2MASS magnitudes. This gives another way to estimate the Teff of faint blue halo stars (V≲15) whose temperatures are now usually deduced from (B-V)0. Transformations (adapted from Carpenter, 2001AJ....121.2851C) are used to change colours derived from the 2MASS data to the Johnson system. Teff is then derived from these colours using an updated Kurucz model. Tables are given to derive Teff as a function of (V-J)0, (V-H)0 and (V-K)0 for a variety of metallicities and logg suitable for blue horizontal branch and main sequence stars. The temperatures obtained in this way are compared with those in the recent literature for various stars with 5≤V≤15 and Teff in the range 6500 to 9500K; systematic differences are ∼100 K. An exception is the sample of BHB stars observed by Wilhelm et al. (1999AJ....117.2329W) whose Teff are significantly cooler than those we derive by an amount that increases with increasing temperature.

Abstract Copyright:

Journal keyword(s): stars: fundamental parameters (temperatures) - stars: horizontal-branch

VizieR on-line data: <Available at CDS (J/A+A/391/1039): table2.dat table3.dat>

CDS comments: Table 13 : objects R-NNN = Cl* NGC 6205 Arp R-NNN, J NN = Cl* NGC 6205 AJ NN, SA NNN = Cl* NGC 6205 SAV ANNN.

Simbad objects: 67

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Number of rows : 67

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 Ton S 162 V* 00 31 25.7499934882 -23 57 26.804381216   14.36 14.14     A 11 0
2 HD 2857 HB* 00 31 53.7907866181 -05 15 42.873649389 10.52 10.17 9.98     A2IV 100 0
3 HD 3268 PM* 00 35 54.8016116423 +13 12 25.449821062   6.93   6.0   F7V 91 0
4 CD-24 266 BS* 00 40 47.9313778053 -24 07 34.183052519   12.955 12.656 12.441 12.216 CEMP-s 90 0
5 HD 14829 PM* 02 23 09.2477244745 -10 40 39.280273796 10.37 10.31 10.29     sdA0IVHe0 48 0
6 HD 19445 PM* 03 08 25.5884 +26 19 51.400 8.29 8.52 8.06 7.60 7.27 G2VFe-3 745 0
7 HD 24098 ** 03 50 16.16497 -01 31 21.2711           F5V 30 1
8 HD 26345 PM* 04 10 42.3629962013 +18 25 23.714440814   7.005 6.576 6.329 6.095 F6V 133 0
9 HD 26737 PM* 04 14 30.4190422398 +22 27 06.609929977   7.494 7.045     F5V 92 0
10 HD 27524 PM* 04 21 31.6489558768 +21 02 23.558359736   7.215 6.779 6.531 6.283 F5V 156 0
11 HD 27534 PM* 04 21 32.2683661417 +18 25 03.301253447   7.234 6.787 6.532 6.279 F5V 150 0
12 HD 27731 PM* 04 23 30.4003605036 +24 24 19.472881541   7.625 7.159 6.905 6.643 ~ 102 0
13 HD 28406 PM* 04 29 30.3505336847 +17 51 47.395473227 7.36 7.352 6.890 6.631 6.373 F6V 174 0
14 HD 28911 PM* 04 33 46.6421338634 +13 15 06.788779219   7.031 6.597 6.351 6.108 ~ 114 0
15 HD 29225 PM* 04 36 40.7179502876 +15 52 09.677553504   7.074 6.619 6.371 6.115 ~ 128 0
16 * 101 Tau PM* 04 59 44.3215855444 +15 55 00.238515439   7.220 6.747     F5V 122 0
17 HD 33400 * 05 10 47.5321874782 +20 34 09.038705346 8.250 8.250 7.850     F0 33 0
18 HD 40832 PM* 06 02 55.1724813872 +32 38 08.510652294   6.66   5.9   F4V 48 0
19 HD 252940 HB* 06 11 37.2505297939 +26 27 30.114718188   9.31 9.03     ~ 21 0
20 * alf CMa SB* 06 45 08.91728 -16 42 58.0171 -1.51 -1.46 -1.46 -1.46 -1.43 A0mA1Va 1417 0
21 HD 60778 HB* 07 36 11.7735389060 -00 08 15.571097984 9.34 9.20 9.10     A0III/IV 105 0
22 * alf CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1777 0
23 HD 74721 HB* 08 45 59.2617958540 +13 15 48.592813847 8.88 8.75 8.72     A0V 140 0
24 HD 86986 HB* 10 02 29.5663012359 +14 33 25.190707124 8.27 8.11   7.9   A1V 168 0
25 HD 87047 HB* 10 03 12.7496361930 +31 03 19.064593865   9.85 9.74     A0 20 0
26 BPS BS 15621-0043 HB* 10 09 26.2728451079 +24 50 02.790302384   14.46 14.41     ~ 5 0
27 TYC 1968-663-1 * 10 11 25.5309085088 +22 59 08.092185214   12.49 12.26     ~ 5 0
28 BPS BS 15621-0040 * 10 12 31.3388913291 +27 17 34.081017871   14.01 13.81     ~ 5 0
29 SDSS J101350.16+251822.3 * 10 13 50.1700908041 +25 18 22.471082643   13.66 13.60     ~ 7 0
30 TYC 1969-1101-1 PM* 10 16 04.5056980902 +24 44 14.320470673   11.96 11.46     ~ 7 0
31 TYC 1969-1002-1 * 10 17 04.7621103775 +24 15 49.691242589   12.09 12.18     ~ 3 0
32 TYC 1972-1159-1 * 10 17 16.9404050836 +25 50 13.630104775   12.38 12.57     ~ 4 0
33 BPS BS 15621-0032 * 10 19 15.7715429103 +26 27 26.127650134   14.90 14.86     ~ 6 0
34 CRTS J101938.7+262306 RR* 10 19 38.7529632112 +26 23 05.733112906   14.91 14.38     ~ 6 0
35 BPS BS 15621-0025 * 10 21 17.4173250410 +23 51 42.304272268   15.14 15.18 15.26   ~ 3 0
36 BPS BS 15621-0022 * 10 21 53.3227947077 +23 50 55.879724570   13.15 12.85     ~ 4 0
37 TYC 1970-567-1 * 10 26 19.1638512946 +23 30 31.096993552   12.56 11.82     ~ 7 0
38 TYC 1973-913-1 * 10 27 17.0174273247 +25 22 10.630866487   12.37 12.33     ~ 4 0
39 BPS BS 15621-0009 * 10 28 01.1075542995 +27 32 32.832116926   14.21 13.93     ~ 7 0
40 TYC 1973-1057-1 * 10 29 10.9495788325 +25 58 53.131497317   11.99 12.36     ~ 6 0
41 HD 96574 PM* 11 07 36.1999598634 +13 51 31.755509082   7.87   7.0   F9V 61 0
42 * bet Leo dS* 11 49 03.57834 +14 34 19.4090 2.30 2.22 2.13 2.08 2.06 A3Va 548 0
43 * 9 Com PM* 12 19 29.5259620179 +28 09 24.908355473   6.83   6.1   F8Va 189 0
44 BD+42 2309 * 12 28 22.1632026428 +41 38 52.419947159   10.80 10.82     A0 41 0
45 HD 109995 HB* 12 38 47.5986540271 +39 18 31.629329712 7.83 7.68   7.6   A0V 217 0
46 BD+25 2602 HB* 13 09 25.5878622195 +24 19 25.100940495   10.14 10.04     A0 33 0
47 V* KT Lib SX* 14 39 19.9964388944 -20 50 31.716422153   12.98 12.72     ~ 12 0
48 HD 130095 PM* 14 46 51.2129052458 -27 14 53.964438579 8.28 8.20 8.12     B9V 91 0
49 HD 139798 PM* 15 38 16.2438336455 +46 47 51.859203156   6.089 5.742     F2V 93 0
50 NGC 6205 6 * 16 41 09.9361572879 +36 30 10.394036511   15.17 15.00     ~ 19 0
51 NGC 6205 17 * 16 41 15.2634521598 +36 23 16.196543766   15.18 15.09     ~ 13 0
52 NGC 6205 50 * 16 41 21.0191871533 +36 27 58.167145957   15.04 14.99     ~ 7 0
53 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2035 0
54 2MASS J16415196+3624337 RG* 16 41 51.9533355818 +36 24 33.701694075   15.20 15.07     ~ 12 0
55 NGC 6205 1055 * 16 41 57.4050414120 +36 28 31.807345898   15.26 15.08     ~ 5 0
56 Cl* NGC 6205 KAD 655 HB* 16 42 14.6338841489 +36 27 45.813154694   15.20 15.14     ~ 9 0
57 HD 151044 PM* 16 42 27.8126680268 +49 56 11.181266805       6.2   F8V 116 0
58 HD 167105 HB* 18 11 06.3098911629 +50 47 32.411866865 9.020 8.970 8.950     A0 35 0
59 * eps Sgr ** 18 24 10.31840 -34 23 04.6193 1.69 1.82 1.85 1.85 1.86 B9IVp_lB? 199 0
60 HD 171620 PM* 18 34 30.6939438450 +34 24 56.295150285   8.06   7.2   F6p 73 0
61 * alf Lyr dS* 18 36 56.33635 +38 47 01.2802 0.03 0.03 0.03 0.07 0.10 A0Va 2537 0
62 * 3 Cyg ** 19 25 25.7580116416 +24 54 45.988319672   6.70   5.9   F8 92 0
63 HD 191096 PM* 20 05 21.4923502515 +56 20 29.043593351 6.600 6.590 6.180     F4V 52 0
64 V* AW Mic RR* 21 19 05.9163199718 -33 55 07.920219374   9.29 9.05     A0(III)w 46 0
65 * alf PsA ** 22 57 39.04625 -29 37 20.0533 1.31 1.25 1.16 1.11 1.09 A4V 1135 3
66 V* BX Scl SX* 23 43 54.4552644084 -28 18 34.625979560   13.82 13.56     A 41 0
67 V* BY Scl SX* 23 51 32.2400306003 -25 45 46.664469252   14.05 13.85     A0 19 0

    Equat.    Gal    SGal    Ecl

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2021.02.25-23:50:27

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