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| Query : 2004MNRAS.351L..34K |
2004MNRAS.351L..34K - Mon. Not. R. Astron. Soc., 351, L34-L38 (2004/June-3)
The null result of a search for pulsational variations of the surface magnetic field in the roAp star γ Equulei.
KOCHUKHOV O., RYABCHIKOVA T., LANDSTREET J.D. and WEISS W.W.
Abstract (from CDS):
We describe an analysis of the time-resolved measurements of the surface magnetic field in the roAp star γEqu. We have obtained a high-resolution and high signal-to-noise (S/N) spectroscopic time series, and the magnetic field was determined using Zeeman-resolved profiles of the FeII 6149.25 Åand Fei 6173.34 Ålines. Contrary to recent reports, we do not find any evidence of magnetic variability with pulsation phase, and derive an upper limit of 5-10 G for pulsational modulation of the surface magnetic field in γEqu.
Abstract Copyright: 2004 RAS
Journal keyword(s): stars: chemically peculiar - stars: individual: γEqu - stars: magnetic fields - stars: oscillations
Simbad objects: 3
| Number of rows : 3 |
| 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 | HD 83368 | a2* | 09 36 25.4255061727 | -48 45 04.240404102 | 6.49 | 6.23 | A8VSrCrEu | 277 | 0 | |||
| 2 | * alf Cir | a2* | 14 42 30.4206520931 | -64 58 30.478845491 | 3.55 | 3.43 | 3.19 | 2.96 | 2.86 | A7VpSrCrEu | 384 | 0 |
| 3 | * gam Equ | a2* | 21 10 20.5000721160 | +10 07 53.691967776 | 5.03 | 4.94 | 4.68 | 4.43 | 4.32 | A9VpSrCrEu | 564 | 0 |
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