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| Query : 1997A&A...326L...1A |
1997A&A...326L...1A - Astronomy and Astrophysics, volume 326, L1-4 (1997/10-1)
On the new triple-mode pulsating variable star GSC 4018.1807.
ANTIPIN S.
Abstract (from CDS):
Variability of GSC 4018.1807 was discovered. The new variable is a triple-mode pulsating star, similar to AC And. Our frequency analysis, based on 895 photographic observations, shows that GSC 4018.1807 has the fundamental (P0=0.66887d), first (P1=0.51265d) and second (P2=0.41103d) overtone pulsation modes as well as non-linear coupling terms (1/P1+1/P0 and 1/P1-1/P0). The new variable's period ratio P1/P0=0.7664 considerably exceeds those typical for bimodal RR Lyr type stars and the ratio observed for AC And.
Abstract Copyright: ∼
Journal keyword(s): stars: oscillations - stars: individual: GSC 4018.1807
Simbad objects: 5
| Number of rows : 5 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | TYC 4018-1891-1 | * | 00 04 42.1132027488 | +63 23 27.799910016 | 12.07 | 11.88 | ~ | 2 | 0 | |||
| 2 | V* V823 Cas | V* | 00 05 42.3928307472 | +63 24 14.191424100 | 11.74 | 11.15 | ~ | 19 | 0 | |||
| 3 | TYC 4018-1777-1 | * | 00 05 49.1153474304 | +63 23 19.729688748 | 12.04 | 10.99 | ~ | 2 | 0 | |||
| 4 | TYC 4018-1661-1 | * | 00 06 14.5047803664 | +63 19 09.530499180 | 11.16 | 10.83 | ~ | 2 | 0 | |||
| 5 | HD 134 | * | 00 06 15.4454361240 | +63 23 22.356927528 | 9.00 | 8.8 | A7V | 13 | 0 |
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