2021PASP..133d4201M

Query : 2021PASP..133d4201M

2021PASP..133d4201M - Publ. Astron. Soc. Pac., 133, part no 4, 4201-44201 (2021/April-0)

Orbital and stellar parameters for 2m06464003+0109157: a double-lined eclipsing binary of spotted, sub-solar twins.

MILLER A., KOUNKEL M., BOGGIO C., COVEY K. and PRICE-WHELAN A.M.

Abstract (from CDS):

We calculated physical and orbital properties for 2M06464003+0109157, a 1.06 day eclipsing double lined spectroscopic binary. We modeled the system's ASAS-SN and TESS light curves, measuring the system's inclination and radii of each component. Extracting radial velocities for each component from 6 SDSS/APOGEE spectra, we measured the system's mass ratio and performed a full orbital fit. Our analysis indicates that 2M06464003+0109157 has components with nearly equal masses (m₁/m₂ = 0.99 ± 0.01; M_1,2 = 0.57 ± 0.015 M_☉) and comparable radii (R₁ = 0.66 ± 0.05 R_☉, R₂ = 0.57 ± 0.06 R_☉). The solution required two star spots to incorporate the out of eclipse variation that is seen in the light curve. We report our full characterization of this system, and prospects for similar analyses using survey data to measure precise physical and orbital properties for EBs.

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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	G 108-25	EB*	06 46 40.0322806368	+01 09 15.754188924		14.6		12.5		~	14	0

Query : 2021PASP..133d4201M

Basic data :

G 108-25 -- Eclipsing Binary

PM* (2016ApJ,G,...), * (2022AJ,AP,...), EB* (2022yCat), NIR (2MASS), MIR (WISEA)

06 46 40.0322806368 +01 09 15.754188924 (Optical) [ 0.0114 0.0108 90 ] A 2020yCat.1350....0G

06 44 04.7022400872 +01 12 45.723854879 [ 0.0114 0.0108 90 ]

211.3606567193373 -00.5348425149908 [ 0.0114 0.0108 90 ]

71.476 -257.947 [0.014 0.014 90] A 2020yCat.1350....0G

V(km/s) 19.301300 [0.065082] / z(spectroscopic) 0.000064 [0.000000] / cz 19.30 [0.07] (NIR) A 2020AJ....160..120J

9.868 [0.0127] A 2020yCat.1350....0G

B 14.6 [~] E 2003AJ....125..984M

R 12.5 [~] E 2003AJ....125..984M

G 12.294428 [0.003449] C 2020yCat.1350....0G

J 10.200 [0.023] C 2003yCat.2246....0C

H 9.577 [0.026] C 2003yCat.2246....0C

K 9.401 [0.022] C 2003yCat.2246....0C

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`2MASS J06464003+0109157`	`LSPM J0646+0109`	`USNO-B1.0 0911-00106428`	`Gaia DR3 3125722720945464576`
`AP J06464003+0109157`	`NLTT 16980`	`WISEA J064640.08+010913.0`
`G 108-25`	`TIC 234211934`	`Gaia DR2 3125722720945464576`

References (14 between 1850 and 2026) (Total 14)
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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`2MASS J06464003+0109157`	`AP J06464003+0109157`	`G 108-25`	`LSPM J0646+0109`	`NLTT 16980`
`USNO-B1.0 0911-00106428`	`WISEA J064640.08+010913.0`	`Gaia DR2 3125722720945464576`	`Gaia DR3 3125722720945464576`

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