2003A&A...410..983D


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.08CET20:01:06

2003A&A...410..983D - Astronomy and Astrophysics, volume 410, 983-991 (2003/11-2)

The rapidly rotating δ Scuti star AV Cetei.

DALL T.H., HANDLER G., MOALUSI M.B. and FRANDSEN S.

Abstract (from CDS):

We present results from an international spectroscopic and photometric campaign on the δ Scuti star AV Cet. The star has a rich and complex pulsation spectrum, and we find 7 individual frequencies, with evidence for many more present below our detection limit. We investigate the prospects for mode identification in fast rotators, using several different techniques. We compare the methods and conclude that although no single technique can give unambiguous mode identification, the collective evidence does allow some conclusions to be drawn, suggesting the presence of one radial mode at 14.598d–1. During the campaign we found the star HD 9139 to be a variable. From our photometry we find evidence for a variability time scale around 1 day, but we cannot find an unambiguous interpretation for its light variations.

Abstract Copyright:

Journal keyword(s): stars: oscillations - stars: variable: δ Scuti - stars: individual: AV Cet - stars: individual: HD 9139

Simbad objects: 7

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Number of rows : 7

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 HD 8070 PM* 01 20 02.9897190071 -09 53 01.626451579   7.04 6.65     F3V 25 0
2 * 44 Cet dS* 01 24 02.5390498974 -08 00 26.692572605   6.44 6.21     A9V 77 0
3 HD 9139 PM* 01 29 53.6951903656 -05 35 45.206982134   7.08 6.68     F2/3III 25 0
4 V* BN Cnc dS* 08 40 39.2361717103 +19 13 41.816611511   8.01 7.80     A9V 107 0
5 V* FG Vir dS* 12 14 15.4567370777 -05 42 59.750421714   6.807 6.558     A8/9V 209 0
6 * alf Cir a2* 14 42 30.4195804 -64 58 30.493451 3.55 3.43 3.19 2.96 2.86 A7VpSrCrEu 338 0
7 PG 1605+072 HS* 16 08 03.6872880396 +07 04 28.747599362   12.53 12.83 13.18   sdB0.2VIHe3 123 0

    Equat.    Gal    SGal    Ecl

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2021.03.08-20:01:06

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