2013AJ....145..156Z

Query : 2013AJ....145..156Z

2013AJ....145..156Z - Astron. J., 145, 156 (2013/June-0)

A photometric study of the algol-type binary FG Gem.

ZHANG J. and QIAN S.-B.

Abstract (from CDS):

High-quality three-color light curves of the binary FG Gem were measured and analyzed. A new method based on extensive searching of isochrones was used to investigate possible parameters for the binary. FG Gem is found to be an Algol-type semi-detached binary system with a primary star temperature of 8200 K and a mass ratio of 0.41(1). The correctness and reliability of our result requires the verification of precision spectroscopy or standard star observations. We investigate a new possible cause for the orbital period variations based on times of minimum light data. It is suggested from the quantitative analysis that variations in the orbital period can be explained by intermittent mass transfer and angular momentum loss from stellar winds leaving the system on rotating magnetic fields.

Abstract Copyright: ∼

Journal keyword(s): binaries: close - binaries: eclipsing - stars: evolution - stars: individual: FG Gem

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* FG Gem	EB*	06 47 49.6576509144	+16 51 47.687999328		12.70	12.37	12.21		G2V	42	0

Query : 2013AJ....145..156Z

Basic data :

V* FG Gem -- Eclipsing Binary

* (EPIC,GSC,...), V* (AN,CSV,...), EB? (2015A&A), EB* (2015MNRAS), V*? (SV*), NIR (2MASS), Opt (ATO)

06 47 49.6576509144 +16 51 47.687999328 (Optical) [ 0.0154 0.0133 90 ] A 2020yCat.1350....0G

06 44 56.0538592323 +16 55 09.714211772 [ 0.0154 0.0133 90 ]

197.4495830697962 +06.8262669042082 [ 0.0154 0.0133 90 ]

-2.010 -12.471 [0.019 0.016 90] A 2020yCat.1350....0G

1.0819 [0.0176] A 2020yCat.1350....0G

G2V C 2013AJ....145...60Y

B 12.70 [0.47] D 2012yCat.1322....0Z

V 12.37 [0.36] D 2012yCat.1322....0Z

R 12.21 [0.11] E 2012yCat.1322....0Z

G 12.126774 [0.009144] C 2020yCat.1350....0G

J 11.669 [0.027] C 2003yCat.2246....0C

H 11.491 [0.028] C 2003yCat.2246....0C

K 11.455 [0.021] C 2003yCat.2246....0C

g 12.43 [0.38] D 2012yCat.1322....0Z

r 12.48 [0.56] D 2012yCat.1322....0Z

i 12.39 [0.27] D 2012yCat.1322....0Z

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*`SV SON 3556`**	`EPIC 202073235`	`TYC 1330-912-1`	`Gaia DR2 3358311383459642368`
`AN 231.1943`	`GSC 01330-00912`	`UCAC2 37693210`	`Gaia DR3 3358311383459642368`
`ATO J101.9569+16.8632`	`2MASS J06474965+1651476`	`UCAC4 535-033915`	`Gaia DR1 3358311379160269696`
`CSV 860`	`TIC 445936004`	*`V FG Gem`**

References (42 between 1850 and 2026) (Total 42)
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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`GSC 01330-00912`	`2MASS J06474965+1651476`	`TYC 1330-912-1`	`UCAC2 37693210`	`UCAC4 535-033915`
*`V FG Gem`**	`Gaia DR2 3358311383459642368`	`Gaia DR3 3358311383459642368`	`Gaia DR1 3358311379160269696`

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