2023OEJV..235....1C

Query : 2023OEJV..235....1C

2023OEJV..235....1C - Open European Journal on Variable stars, 235, 1-9 (2023)

Candidate triple-star system with ellipsoidal components detected in Vulpecula through TESS photometry

CONZO G., MORICONI M. and PERETTO I.

Abstract (from CDS):

MaGiV-1 is a candidate triple ellipsoidal star system in Vulpecula at coordinates RA(J2000) 19:52:19.13 DEC(J2000) +23:29:59.7 classified as ELL+ELL, number 2344411 in AAVSO VSX database. Through photometry from the TESS Space Telescope, two significant periods describing the orbital times of the components were identified using the Fourier transform. The analysis led to determining P(A-BC) = 4.269d the orbital period of A-BC pair, the primary component with the secondary component described by another pair, and P(BC) = 0.610d the orbital period of B-C pair, the inner ellipsoidal system. However, it cannot be completely ruled out that the shorter period can be explained by pulsations of one of the two components (e.g. by the GDOR type).

Abstract Copyright: ∼

Journal keyword(s): Astrophysics - Solar and Stellar Astrophysics

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	HD 345087	El*	19 52 19.1276706240	+23 29 59.702910756		10.605	10.226	10.216		B8	7	0

Query : 2023OEJV..235....1C

Basic data :

HD 345087 -- Ellipsoidal Variable

* (HD,BD,...), El* (2023OEJV), NIR (2MASS), MIR (WISE)

19 52 19.1276706240 +23 29 59.702910756 (Optical) [ 0.0237 0.0274 90 ] A 2020yCat.1350....0G

19 50 10.9624306354 +23 22 12.270194334 [ 0.0237 0.0274 90 ]

060.6360788737787 -01.8594123384662 [ 0.0237 0.0274 90 ]

-0.111 -3.465 [0.027 0.038 90] A 2020yCat.1350....0G

0.8351 [0.0378] A 2020yCat.1350....0G

B8 E 1995A&AS..110..367N

B 10.605 [0.01] E 2012yCat.1322....0Z

V 10.226 [0.01] E 2012yCat.1322....0Z

R 10.216 [0.01] D 2012yCat.1322....0Z

G 10.144327 [0.002780] C 2022yCat.1355....0G

J 9.423 [0.024] C 2003yCat.2246....0C

H 9.338 [0.031] C 2003yCat.2246....0C

K 9.285 [0.021] C 2003yCat.2246....0C

i 10.061 [0.01] E 2012yCat.1322....0Z

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`HD 345087`	`2MASS J19521912+2329596`	`UCAC4 568-097157`	`Gaia DR1 1828326140062770688`
`BD+23 3814`	`TIC 300480214`	`WISE J195219.12+232959.7`
`GEN# +0.02303814`	`TYC 2140-215-1`	`Gaia DR2 1828326144378341760`
`GSC 02140-00215`	`UBV M 1310`	`Gaia DR3 1828326144378341760`

References (7 between 1850 and 2026) (Total 7)
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 345087`	`BD+23 3814`	`GSC 02140-00215`	`2MASS J19521912+2329596`	`TYC 2140-215-1`
`UCAC4 568-097157`	`WISE J195219.12+232959.7`	`Gaia DR2 1828326144378341760`	`Gaia DR3 1828326144378341760`	`Gaia DR1 1828326140062770688`

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