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| Query : 2002A&A...393..965D |
2002A&A...393..965D - Astronomy and Astrophysics, volume 393965-981 (2002/10-3)
A study of bright southern slowly pulsating B stars. II. The intrinsic frequencies.
DE CAT P. and AERTS C.
Abstract (from CDS):
We present the results of detailed frequency analyses of a sample of thirteen confirmed slowly pulsating B stars. Our analysis is based on a combination of elaborate photometric and spectroscopic data-sets. The original sample consists of a mixture of five confirmed slowly pulsating B stars and twelve candidate slowly pulsating B stars discovered thanks to the photometric measurements of the HIPPARCOS satellite. HD 55522 and HD 131120 turn out to be chemically peculiar stars. HD 169978 and HD 69144 are two ellipsoidal variables for which no intrinsic variability is found. At least nine of the thirteen studied slowly pulsating B stars are multi-periodic. For HD 74195, HD 85953, HD 123515 and HD 215573, the observed frequency spacings suggest that we are dealing with frequency multiplets. For the apparent mono-periodic binary HD 24587, it is not clear if the observed variations are induced by stellar pulsation and/or by rotation modulation. We highlight the statistical character of the observed pulsational properties of our sample.
Abstract Copyright: ∼
Journal keyword(s): stars: early-type - stars : variables: general - stars: oscillations - binaries: spectroscopic - line: profiles
VizieR on-line data: <Available at CDS (J/A+A/393/965): table1.dat tables.dat>
Simbad objects: 17
| Number of rows : 17 |
| 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 | * tau08 Eri | SB* | 03 53 42.7023562560 | -24 36 44.021417544 | 4.496 | 4.623 | B6V | 123 | 0 | |||
| 2 | HD 26326 | Pu* | 04 09 17.8360611792 | -16 23 09.080258964 | 5.286 | 5.435 | B5IV | 87 | 0 | |||
| 3 | HD 53921 | SB* | 07 03 15.09928 | -59 10 41.1857 | B9III+B8V | 71 | 0 | |||||
| 4 | * 26 CMa | Pu* | 07 12 12.2147085456 | -25 56 33.316082736 | 5.03 | 5.736 | 5.897 | B2IV/V | 93 | 0 | ||
| 5 | V* NO Vel | SB* | 08 13 36.1528771104 | -46 59 29.862036384 | 4.32 | 4.981 | 5.127 | B3III | 90 | 0 | ||
| 6 | * omi Vel | Pu* | 08 40 17.5993322082 | -52 55 18.875623881 | 2.8 | 3.44 | 3.63 | B3/5(V) | 181 | 1 | ||
| 7 | HD 74560 | SB* | 08 42 25.3866034128 | -53 06 50.343377699 | 3.97 | 4.655 | 4.815 | B3IV | 182 | 0 | ||
| 8 | HD 85953 | Pu* | 09 53 50.0989236576 | -51 08 48.155931060 | 5.02 | 5.777 | 5.932 | B2.5III | 80 | 1 | ||
| 9 | HD 92287 | SB* | 10 38 02.6423647248 | -57 15 22.689748476 | 5.14 | 5.749 | 5.876 | B3IV | 85 | 0 | ||
| 10 | V* V869 Cen | SB* | 14 09 35.0324964096 | -51 30 16.832689380 | 5.913 | 5.961 | B8V | 96 | 0 | |||
| 11 | HD 131120 | Pu* | 14 52 51.0731473122 | -37 48 11.382138696 | 4.11 | 4.855 | 5.015 | B7IIIp | 134 | 0 | ||
| 12 | HD 138764 | Pu* | 15 34 26.5142062512 | -09 11 00.380211288 | 4.63 | 5.08 | 5.17 | 5.21 | 5.33 | B5V | 167 | 0 |
| 13 | * 25 Ser | SB* | 15 46 05.6365266672 | -01 48 15.085342728 | 4.96 | 5.37 | 5.39 | B8IV/V | 121 | 0 | ||
| 14 | * nu. Pav | SB* | 18 31 22.4255283661 | -62 16 41.889747810 | 4.14 | 4.53 | 4.64 | B7III | 71 | 0 | ||
| 15 | HD 177863 | SB* | 19 07 08.3266173557 | -18 44 17.407077555 | 6.243 | 6.293 | B8V | 79 | 0 | |||
| 16 | HD 181558 | Pu* | 19 21 37.1135468520 | -19 14 04.045448508 | 5.65 | 6.16 | 6.26 | B5III | 70 | 0 | ||
| 17 | * ksi Oct | Pu* | 22 50 22.8139009656 | -80 07 25.841844408 | 4.7 | 5.180 | 5.311 | B6V | 100 | 0 |
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