2002A&A...392.1031A

Query : 2002A&A...392.1031A

2002A&A...392.1031A - Astronomy and Astrophysics, volume 392, 1031-1037 (2002/9-4)

On the effective temperatures and surface gravities of superficially normal main sequence band B and A stars.

ADELMAN S.J., PINTADO O.I., NIEVA M.F., RAYLE K.E. and SANDERS S.E.Jr

Abstract (from CDS):

Effective temperatures and surface gravities for 48 main sequence band B and A stars were found by matching optical region spectrophotometry and Hγ profiles with the predictions of ATLAS9 solar composition model atmospheres. When these values were compared with those found using Stroemgren uvbyβ photometry based on ATLAS6 model atmospheres, we found a difference (photometry-spectrophotometry) of 25±118K for 29 stars with 8000K≤Teff≤10050K compared to 76±105K for 14 stars with 10050K≤Teff≤17000K. The surface gravity scales are in agreement. These stars are sufficiently hot that their effective temperatures and surface gravity determinations are unaffected by discrepancies due to the choice of Mixing-Length or Canuto-Mazzitelli convection theories.

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Journal keyword(s): stars: fundamental parameters - stars: early-type

Simbad objects: 47

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Number of rows : 47
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 * gam Peg bC* 00 13 14.1523490172 +15 11 00.954346538 1.75 2.61 2.84 2.94 3.13 B2IV 693 0
2 * tet And ** 00 17 05.5023632446 +38 40 53.888625622 4.72 4.67 4.61 4.53 4.52 A2V 180 0
3 * eps Cas Be* 01 54 23.7340861680 +63 40 12.360238788 2.61 3.22 3.37 3.40 3.52 B3Vp_sh 195 0
4 * pi. Cet SB* 02 44 07.3477594066 -13 51 31.279407049 3.66 4.112 4.236     B7IV 333 0
5 * nu. Tau * 04 03 09.3791463041 +05 59 21.482527209   3.924 3.883     A0.5Va 131 0
6 * del03 Tau a2* 04 25 29.3847186643 +17 55 40.463442784   4.369 4.298 6.18 4.24 A2IV-Vs 407 0
7 * eta Aur PM* 05 06 30.8941413263 +41 14 04.112669983 2.33 3.00 3.18 3.23 3.40 B3V 377 0
8 * 134 Tau * 05 49 32.9303335271 +12 39 04.760685507 4.68 4.811 4.875     B9IV 198 0
9 HD 41692 * 06 06 38.7363839832 -04 11 37.808375208 4.71 5.231 5.362     B5II/III 128 0
10 * gam Gem SB* 06 37 42.71050 +16 23 57.4095 1.98 1.92 1.92 1.86 1.87 A1.5IV+ 510 1
11 * 21 Lyn PM* 07 26 42.8522129445 +49 12 41.497452754   4.594 4.610     A0.5Vs 114 0
12 * 27 Lyn PM* 08 08 27.4509245177 +51 30 23.993952533   4.819 4.797   4.71 A2V 78 0
13 * alf Sex * 10 07 56.2837668024 -00 22 18.013326564   4.45 4.49     A0III 100 0
14 * lam UMa PM* 10 17 05.7792565752 +42 54 51.889698684 3.54 3.48 3.45 3.37 3.38 A1IV 189 0
15 * bet UMa PM* 11 01 50.4797515135 +56 22 56.761138187 2.35 2.35 2.37 2.31 2.35 A1IVps 440 0
16 * b Leo Pe* 11 02 19.7756641720 +20 10 47.424184800   4.452 4.398     kA1VmA3V 177 0
17 * tet Leo PM* 11 14 14.4056705348 +15 25 46.455911128 3.40 3.33 3.35 3.32 3.34 A2IV 338 0
18 * gam UMa Em* 11 53 49.8473166 +53 41 41.135025 2.440 2.450 2.440 2.44 2.47 A0Ve+K2V 399 0
19 * o Leo SB* 11 55 40.5327230688 +15 38 48.549860664   5.632 5.522     A3V 162 0
20 * del UMa PM* 12 15 25.5598467041 +57 01 57.421119850 3.460 3.410 3.320 3.25 3.25 A2Vn 298 0
21 * tet Vir ** 13 09 56.9889385680 -05 32 20.414634792   4.385 4.397     A1IVs 261 0
22 HD 119765 * 13 43 54.7781349768 +52 03 51.888118176   6.027 6.018   5.98 A1V 64 0
23 * eta UMa PM* 13 47 32.43776 +49 18 47.7602 0.99 1.67 1.86 1.98 2.16 B3V 608 0
24 * tau Vir * 14 01 38.7935506885 +01 32 40.310188175   4.331 4.237   4.11 A2IV/V 143 0
25 * alf Dra SB* 14 04 23.3575968507 +64 22 33.130623243 3.520 3.640 3.680     A0III 274 0
26 * lam Boo dS* 14 16 23.0184083839 +46 05 17.895459693 4.31 4.26 4.18 4.16 4.13 A0Va_lB 348 0
27 * bet Lib PM* 15 17 00.41382 -09 22 58.4919 2.14 2.51 2.62 2.67 2.76 B8Vn 272 0
28 * tau Her Pu* 16 19 44.4367980146 +46 18 48.102135319 3.190 3.73 3.87 4.00 4.16 B5IV 403 0
29 V* DQ Dra a2* 16 24 25.3384367736 +55 12 18.346742676   5.736 5.734     A2pSi 99 0
30 * del Her SB* 17 15 01.91058 +24 50 21.1451 3.29 3.21 3.13 3.08 3.05 A1IVn 201 0
31 * gam Oph PM* 17 47 53.5605898827 +02 42 26.204838837 3.83 3.80 3.75 3.71 3.71 A1VnkA0mA0 391 0
32 HD 174262 * 18 48 53.3862583776 +19 19 43.379146992   5.902 5.880     A1V 51 0
33 * gam Lyr * 18 58 56.6225626515 +32 41 22.400666366 3.140 3.200 3.250 3.27 3.28 B9III 284 0
34 * zet Aql PM* 19 05 24.6080155 +13 51 48.518212 2.99 3.00 2.99 2.98 2.98 A0IV-Vnn 350 0
35 * 21 Aql a2* 19 13 42.7011956712 +02 17 37.310297604 4.67 5.08 5.15     B7III 236 0
36 * 14 Cyg * 19 39 26.4926212920 +42 49 05.741064084 5.10 5.32 5.40     B9III 92 0
37 * kap Cep * 20 08 53.3487448872 +77 42 41.115549672   4.35 4.40     B9III 140 0
38 * nu. Cap * 20 20 39.8157949497 -12 45 32.690284207 4.61 4.72 4.76 4.75 4.81 B9IV 272 0
39 * 29 Vul PM* 20 38 31.3388452704 +21 12 04.185221724 4.73 4.80 4.82 4.79 4.83 A0Va(_sh) 131 0
40 * eps Aqr * 20 47 40.5495728200 -09 29 44.796936843 3.79 3.77 3.77 3.70 3.70 B9.5V 281 0
41 * 5 Aqr V* 20 52 08.6938321800 -05 30 25.409470932 5.2 5.460 5.554     B9III 65 0
42 * 21 Peg * 22 03 19.0326115488 +11 23 11.574375540   5.762 5.822     B9.5V 150 0
43 * sig Aqr * 22 30 38.8214037672 -10 40 40.505006280 4.59 4.73 4.81 4.81 4.85 A0IVs 124 0
44 * 10 Lac ** 22 39 15.6786372 +39 03 00.971152 3.650 4.670 4.880 4.98 5.19 O9V 758 0
45 * del Aqr PM* 22 54 39.0062577912 -15 49 14.950434720 3.41 3.33 3.28 3.21 3.17 A3Vp 160 0
46 * alf Peg PM* 23 04 45.65345 +15 12 18.9617 2.38 2.44 2.48 2.47 2.50 B9III 353 0
47 * 1 Cas * 23 06 36.8177774777 +59 25 11.135356051 3.93 4.771 4.840     B0.5III 245 0

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