1998A&A...334..606M

Query : 1998A&A...334..606M

1998A&A...334..606M - Astronomy and Astrophysics, volume 334606-608 (1998/6-2)

Discovery of p-mode oscillations in the Ap star HD 213637.

MARTINEZ P., MEINTJES P., RATCLIFF S.J. and ENGELBRECHT C.

Abstract (from CDS):

We announce the discovery of rapid p-mode oscillations in the A (p EuSrCr) star HD 213637. These variations are modulated in amplitude, which is consistent with rotational modulation, multi-mode oscillations or intrinsic mode growth/decay. A frequency analysis reveals that our data may be described by the combination of two oscillations with frequencies of 1411 and 1452µHz. However, these frequency values suffer from 1d^–1 alias ambiguities, and require confirmation in a more detailed follow-up study.

Abstract Copyright: ∼

Journal keyword(s): stars: chemically peculiar - stars: individual: HD 213637 - stars: oscillations - stars: variables: other

Simbad objects: 1

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Number of rows : 1

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	V* MM Aqr	a2*	22 33 12.3248929848	-20 02 21.880485816		10.058	9.582			A(pEuSrCr)	51	0

Query : 1998A&A...334..606M

Basic data :

V* MM Aqr -- alpha2 CVn Variable

a2* (), * (HD,BD,...), V* (V*), NIR (2MASS)

22 33 12.3248929848 -20 02 21.880485816 (Optical) [ 0.0136 0.0147 90 ] A 2020yCat.1350....0G

22 30 29.3265348452 -20 17 51.626393535 [ 0.0136 0.0147 90 ]

038.0598206113626 -57.6533117463187 [ 0.0136 0.0147 90 ]

4.685 12.118 [0.017 0.018 90] A 2020yCat.1350....0G

V(km/s) 5.261 [0.0013] / z(spectroscopic) 0.000018 [0.000000] / cz 5.26 [0.00] (Opt) A 2018A&A...616A...7S

4.7149 [0.0188] A 2020yCat.1350....0G

A(pEuSrCr) D 1988MSS...C04....0H

B 10.058 [0.035] C 2014AJ....148...81M

V 9.582 [0.03] C 2014AJ....148...81M

G 9.517798 [0.002762] C 2020yCat.1350....0G

J 8.761 [0.026] C 2003yCat.2246....0C

H 8.563 [0.036] C 2003yCat.2246....0C

K 8.543 [0.023] C 2003yCat.2246....0C

g 9.898 [0.114] D 2014AJ....148...81M

r 9.512 [0.03] C 2014AJ....148...81M

i 9.445 [0.046] C 2014AJ....148...81M

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`HD 213637`	`2MASS J22331232-2002220`	`TIC 69855370`	`Gaia DR3 2401638960512043264`
`BD-20 6447`	`PPM 273945`	`TYC 6391-745-1`	`Gaia DR1 2401638956216368256`
`CPD-20 8374`	`RAVE J223312.3-200222`	*`V MM Aqr`**
`GSC 06391-00745`	`Renson 59263`	`Gaia DR2 2401638960512043264`

References (51 between 1850 and 2026) (Total 51)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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`HD 213637`	`BD-20 6447`	`CPD-20 8374`	`GSC 06391-00745`	`2MASS J22331232-2002220`
`PPM 273945`	`RAVE J223312.3-200222`	`TYC 6391-745-1`	*`V MM Aqr`**	`Gaia DR2 2401638960512043264`
`Gaia DR3 2401638960512043264`	`Gaia DR1 2401638956216368256`

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