2002A&A...395..873L

Query : 2002A&A...395..873L

2002A&A...395..873L - Astronomy and Astrophysics, volume 395873-876 (2002/12-1)

New δ Scuti variable in the Pleiades: HD 23628.

LI Z.P., MICHEL E., FOX-MACHADO L., ALVAREZ M., HERNANDEZ M.M., CHEVRETON M., ZHOU A.Y., BARBAN C., DOLEZ N., BELMONTE J.A., FERNANDEZ A., FREMY J., PAU S., SERVAN B., PEREZ HERNANDEZ F., JIANG S.Y., LIU Z.L., RINGOT O., SUAREZ J.C. and XU Y.

Abstract (from CDS):

We report here the discovery of very low amplitude oscillations in the Pleiades star HD 23628. The 14-nights high quality light curve designates HD 23628 as a new member of the δ Scuti stars class. Amplitude spectra indicate a multi-periodic pulsation behaviour, and four pulsation frequencies have been detected so far. The frequency distribution suggests the presence of nonradial modes. Pulsation constant values of the four modes are distributed in the range corresponding to fundamental f to p4 radial modes.

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Journal keyword(s): stars: oscillations - stars: individual: HD 23628 - stars: variables: δ Sct

Simbad objects: 5

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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 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
2 V* V534 Tau dS* 03 47 03.5551874064 +24 49 11.812255356   8.65 8.30   7.83 A9V 120 0
3 V* V1228 Tau dS* 03 47 24.0779661960 +24 35 18.510029196   7.89 7.71 7.5 7.45 A4V 100 0
4 HD 23627A * 03 47 26.5385879707 +24 39 30.453368311   8.99 8.75 9.15   B8 19 0
5 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0

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