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| Query : 1995A&A...294..536H |
1995A&A...294..536H - Astronomy and Astrophysics, volume 294536-546 (1995/2-2)
Compositional differences among the A-type stars. II. Spectrum synthesis up to v sin i = 110 km/s.
HILL G.M.
Abstract (from CDS):
The results of an abundance analysis of 15 early A-type stars are presented here. These stars have vsini on the range 6 to 109km/s and all but one of them (an Am star) are classified as normal. Reliable abundances (uncertainties about a quarter dex or less) are obtained for twelve elements. Considerable star-to-star abundance variations are present among both the narrow lined and broader lined stars. Most elements have abundances which scale with those of iron. Carbon and calcium are interesting exceptions. Carbon abundances seem to be anti-correlated with those of iron, while calcium abundances may exhibit a more complex behaviour. Heavy elements seem enhanced for most stars.
Abstract Copyright: ∼
Journal keyword(s): stars: abundances - stars: chemically peculiar
Simbad objects: 15
| Number of rows : 15 |
| 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 | * tet And | ** | 00 17 05.5023632446 | +38 40 53.888625622 | 4.72 | 4.67 | 4.61 | 4.53 | 4.52 | A2V | 184 | 0 |
| 2 | * 10 Tri | * | 02 18 56.9935465392 | +28 38 33.632245068 | 5.307 | 5.291 | A2V | 75 | 0 | |||
| 3 | * nu. Tau | * | 04 03 09.3791463041 | +05 59 21.482527209 | 3.924 | 3.883 | A0.5Va | 138 | 0 | |||
| 4 | * ome Aur | PM* | 04 59 15.4093630440 | +37 53 24.881188776 | 5.01 | 5.00 | A1V | 143 | 0 | |||
| 5 | * 2 Lyn | EB* | 06 19 37.3726318920 | +59 00 39.531610256 | 4.462 | 4.434 | 4.40 | A2Vs | 148 | 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 | * alf CMa | SB* | 06 45 08.91728 | -16 42 58.0171 | -1.51 | -1.46 | -1.46 | -1.46 | -1.43 | A0mA1Va | 1610 | 0 |
| 8 | * lam UMa | PM* | 10 17 05.7792565752 | +42 54 51.889698684 | 3.54 | 3.48 | 3.45 | 3.37 | 3.38 | A1IV | 198 | 0 |
| 9 | * bet UMa | PM* | 11 01 50.4797515135 | +56 22 56.761138187 | 2.35 | 2.35 | 2.37 | 2.31 | 2.35 | A1IVps | 462 | 0 |
| 10 | * tet Leo | PM* | 11 14 14.4056705348 | +15 25 46.455911128 | 3.40 | 3.33 | 3.35 | 3.32 | 3.34 | A2IV | 353 | 0 |
| 11 | * alf Lyr | dS* | 18 36 56.33635 | +38 47 01.2802 | 0.03 | 0.03 | 0.03 | 0.07 | 0.10 | A0V | 2787 | 1 |
| 12 | * 29 Vul | PM* | 20 38 31.3388452704 | +21 12 04.185221724 | 4.73 | 4.80 | 4.82 | 4.79 | 4.83 | A0Va(_sh) | 139 | 0 |
| 13 | * eps Aqr | * | 20 47 40.5495728200 | -09 29 44.796936843 | 3.79 | 3.77 | 3.77 | 3.70 | 3.70 | B9.5V | 292 | 0 |
| 14 | * omi Peg | * | 22 41 45.4041684504 | +29 18 27.631023336 | 4.77 | 4.78 | 4.79 | 4.75 | 4.77 | A1IV | 296 | 0 |
| 15 | * del Aqr | PM* | 22 54 39.0062577912 | -15 49 14.950434720 | 3.41 | 3.33 | 3.28 | 3.21 | 3.17 | A3Vp | 165 | 0 |
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