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| Query : 2002A&A...395..601S |
2002A&A...395..601S - Astronomy and Astrophysics, volume 395601-609 (2002/11-4)
On the anomaly of Balmer line profiles of A-type stars. Fundamental binary systems.
SMALLEY B., GARDINER R.B., KUPKA F. and BESSELL M.S.
Abstract (from CDS):
In previous work, Gardiner et al. (1999A&A...347..876G) found evidence for a discrepancy between the Teff obtained from Balmer lines with that from photometry and fundamental values for A-type stars. An investigation into this anomaly is presented using Balmer line profiles of stars in binary system with fundamental values of both Teff and logg. A revision of the fundamental parameters for binary systems given by Smalley & Dworetsky (1995A&A...293..446S) is also presented. The Teff obtained by fitting Hα and Hβ line profiles is compared to the fundamental values and those obtained from uvby photometry. We find that the discrepancy found by Gardiner et al. (1999A&A...347..876G) for stars in the range 7000K≲Teff≲9000K is no longer evident.
Abstract Copyright: ∼
Journal keyword(s): stars: general - stars: atmospheres - convection - stars: binaries: eclipsing - stars: fundamental parameters
Simbad objects: 21
| Number of rows : 21 |
| 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 | * 12 Per | SB* | 02 42 14.9145674304 | +40 11 38.221732500 | 5.65 | 5.51 | 4.92 | 4.42 | 4.12 | F9V | 193 | 0 |
| 2 | V* CD Tau | SB* | 05 17 31.1530161432 | +20 07 54.627762000 | 7.27 | 7.25 | 6.76 | A5:IapHIwk: | 167 | 0 | ||
| 3 | V* UX Men | SB* | 05 30 03.1855215048 | -76 14 55.350331296 | 8.80 | 8.24 | 7.608 | F8V | 129 | 0 | ||
| 4 | * bet Aur | SB* | 05 59 31.7229284 | +44 56 50.757259 | 1.97 | 1.93 | 1.90 | 1.82 | 1.83 | A1IV-Vp | 433 | 1 |
| 5 | V* WW Aur | SB* | 06 32 27.1847665440 | +32 27 17.632429092 | 6.005 | 5.829 | kA3hA3mF0+kA3hA3mF0 | 257 | 0 | |||
| 6 | * gam Gem | SB* | 06 37 42.71050 | +16 23 57.4095 | 1.98 | 1.92 | 1.92 | 1.86 | 1.87 | A1.5IV+ | 525 | 1 |
| 7 | * 2 Pup B | SB* | 07 45 28.7368972272 | -14 41 10.186320948 | 7.15 | 6.932 | A0/1V | 96 | 0 | |||
| 8 | * 9 Cha | SB* | 08 43 12.1984130688 | -79 04 12.368512452 | 6.28 | 6.07 | A7V | 242 | 0 | |||
| 9 | V* HS Hya | SB* | 10 24 36.7678198944 | -19 05 32.956244232 | 8.55 | 8.10 | F5V | 123 | 0 | |||
| 10 | V* RZ Cha | SB* | 10 42 24.1088348064 | -82 02 14.183233152 | 8.54 | 8.09 | F3/5V | 109 | 0 | |||
| 11 | * bet Leo | dS* | 11 49 03.57834 | +14 34 19.4090 | 2.30 | 2.22 | 2.13 | 2.08 | 2.06 | A3Va | 605 | 1 |
| 12 | * gam Vir | PM* | 12 41 39.6282288151 | -01 26 57.854228847 | 3.07 | 3.10 | 2.74 | 2.45 | 2.26 | F1-F2V | 482 | 0 |
| 13 | V* DM Vir | SB* | 14 07 52.4283264888 | -11 09 07.472310912 | 9.25 | 8.79 | F5V | 100 | 0 | |||
| 14 | * alf Oph | ** | 17 34 56.06945 | +12 33 36.1346 | 2.32 | 2.22 | 2.07 | 1.93 | 1.85 | A5IVnn | 495 | 0 |
| 15 | V* V624 Her | SB* | 17 44 17.2471919784 | +14 24 36.246660912 | 6.398 | 6.194 | A3m | 163 | 0 | |||
| 16 | * alf Lyr | dS* | 18 36 56.33635 | +38 47 01.2802 | 0.03 | 0.03 | 0.03 | 0.07 | 0.10 | A0V | 2787 | 1 |
| 17 | V* V1143 Cyg | SB* | 19 38 41.1829269072 | +54 58 25.647010572 | 5.6 | F6Va | 229 | 0 | ||||
| 18 | * alf Aql | dS* | 19 50 46.99855 | +08 52 05.9563 | 1.07 | 0.98 | 0.76 | 0.62 | 0.49 | A7Vn | 919 | 1 |
| 19 | V* MY Cyg | SB* | 20 20 03.3892517592 | +33 56 35.011784040 | 8.71 | 8.34 | kA3hF1mF2(V) | 147 | 0 | |||
| 20 | * del Equ | SB* | 21 14 28.8153077 | +10 00 25.125878 | 4.98 | 4.99 | 4.49 | 4.06 | 3.78 | F7(V)+G0(V) | 331 | 0 |
| 21 | * alf PsA | PM* | 22 57 39.04625 | -29 37 20.0533 | 1.31 | 1.25 | 1.16 | 1.11 | 1.09 | A4V | 1303 | 3 |
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