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| Query : 1998A&A...331.1046C |
1998A&A...331.1046C - Astronomy and Astrophysics, volume 3311046-1050 (1998/3-3)
53 Persei: a slowly pulsating B star.
CHAPELLIER E., SADSAOUD H., VALTIER J.-C., GARRIDO R., SAREYAN J.-P., LE CONTEL J.-M. and ALVAREZ M.
Abstract (from CDS):
A new investigation of the behaviour of the star 53 Per was performed. New photometric observations allow to confirm two dominant periods p1=2.16d, p2=1.67d. A third one p3=3.64d is detected. These long period variations are present in our radial velocities data and in old equivalent width data. The amplitude of the p1=2.16d period increases from 1977 to 1991, while the amplitude of the 1.67d period remains constant. Considering the observational characteristics of the star since 1997, 53 Per clearly belongs to the Slowly Pulsating B stars group as defined by Waelkens (1991A&A...246..453W) and North & Paltani (1994A&A...288..155N).
Abstract Copyright: ∼
Journal keyword(s): stars: variables: general - stars: oscillations - stars: individual: 53 Persei
Simbad objects: 11
| Number of rows : 11 |
| 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 | * lam Per | * | 04 06 35.0425894267 | +50 21 04.541423730 | 4.27 | 4.31 | 4.29 | 4.21 | 4.19 | A0IVn | 116 | 0 |
| 2 | HD 27026 | Pu* | 04 18 08.1089490240 | +42 08 28.194401724 | 6.132 | 6.205 | 6.27 | B9V | 52 | 0 | ||
| 3 | * d Per | bC* | 04 21 33.1662438000 | +46 29 55.964841936 | 4.31 | 4.757 | 4.812 | B4IV | 200 | 1 | ||
| 4 | HD 27795 | * | 04 25 29.1331289880 | +46 08 37.349801340 | 7.15 | 7.636 | 7.419 | B1V | 35 | 0 | ||
| 5 | HD 29526 | PM* | 04 41 24.1285097472 | +48 18 03.165290280 | 5.642 | 5.652 | A0V | 66 | 0 | |||
| 6 | V* V1179 Ori | a2* | 05 36 06.2338022808 | -07 23 47.317093944 | 7.31 | 7.38 | B8V | 103 | 0 | |||
| 7 | * omi Vel | Pu* | 08 40 17.5993322082 | -52 55 18.875623881 | 2.8 | 3.44 | 3.63 | B3/5(V) | 181 | 1 | ||
| 8 | HD 74560 | SB* | 08 42 25.3866034128 | -53 06 50.343377699 | 3.97 | 4.655 | 4.815 | B3IV | 182 | 0 | ||
| 9 | HD 143309 | * | 16 03 01.4960535504 | -60 20 10.708560528 | 8.99 | 9.33 | 9.30 | B8/9Ib/II | 34 | 0 | ||
| 10 | V* V994 Sco | bC* | 17 39 37.5915156024 | -32 19 12.497350260 | 6.74 | 7.13 | 7.16 | B3IV/V | 64 | 1 | ||
| 11 | * 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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