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| Query : 2008CoAst.156...27M |
2008CoAst.156...27M - Com. in Asteroseismology, 156, 27 (2008/November-0)
On the nature of HD 207331: a new δ Scuti variable.
MACHADO F.L., SCHUSTER W.J., ZURITA C., OCHOA J.L. and SILVA J.S.
Abstract (from CDS):
While testing a Strömgren spectrophotometer attached to the 1.5m telescope at the San Pedro Mártir observatory, Mexico, a number of A-type stars were observed, one of which, HD 207331, presented clear indications of photometric variability. CCD photometric data acquired soon after, confirmed its variability. In order to determine its pulsation behaviour more accurately, uvby differential photoelectric photometry was carried out for three nights. As a result of the period analysis of the light curves we have found a dominant pulsation mode at 21.1 cd–1 with an amplitude of 6 mmag. This strongly suggests that HD 207331 is a new δ Scuti- type pulsating star.
Abstract Copyright: ∼
Journal keyword(s):
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 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | HD 207331 | * | 21 47 02.3218534056 | +43 19 18.634275084 | 8.52 | 8.30 | A0 | 11 | 0 | |||
| 2 | TYC 3196-1243-1 | * | 21 47 06.3712547784 | +43 18 58.290642216 | 11.47 | 10.74 | ~ | 1 | 0 | |||
| 3 | BD+42 4208 | * | 21 47 11.9889893784 | +43 19 50.591736264 | 9.34 | 9.34 | A0 | 11 | 0 | |||
| 4 | HD 208310 | * | 21 54 15.3912716688 | +45 32 35.201623452 | 8.48 | 8.44 | A0 | 18 | 0 | |||
| 5 | HD 209113 | * | 21 59 53.2378340640 | +44 58 13.672289352 | 8.57 | 8.42 | A2 | 6 | 0 |
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