07291+3147 A 2124 AC

Coord 2000	07291+3147		Discov num	A  2124		Comp	AC		Coord arcsec 2000	07 29 06.72 +31 47 04.3
Date first	1886		Date last	2001		Obs	15
Pa first	293		Pa last	284.9		P.A. Now (θ)	284.9°
Sep first	211.6		Sep last	221.591		Sep. Now (ρ)	221.591"
Mag pri	4.16		Mag sec	11.59		delta mag (ΔM)	7.43		Spectral class	F0V (yellow-white)
Pri motion ra	+159		Sec motion ra	-019
Pri motion dec	+193		Sec motion dec	-055
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=1.221 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Rho Gem	60118	07 29 07 +31 47 04	A 2124 AB	2006	6	272	1.2	4.16	12.50	8.34
Show		60118	07 29 07 +31 47 04	A 2124 AC	2001	15	285	221.6	4.16	11.59	7.43		<===
Show		60118	07 29 07 +31 47 04	ALC 3 AE	2001	6	355	755.4	4.16	7.82	3.66
Show			07 28 50 +31 48 03	A 2124 CD	2015	8	271	102.1	11.59	13.36	1.77
Show			07 29 02 +31 59 38	ALC 7 EF	1991	0	-1	2.8	7.70	15.40	7.70

Sextuple system
6 estimated visually detectable stars in this system

Constellation	Gemini		SAO	60118		HIP	36366		Tycho2	2452-02167-1
Gaia DR2	892160231748668800		HD	58946		HR	2852		GC	9987
ADS	6109		GL	Gl 274A		BD	BD+32 1562		Bayer	Rho Geminorum
Bayer name	Rho Gem		Flamsteed	62 Geminorum		Flamsteed name	62 Gem		FK5	286
Distance	18.05		Distance ly	58.88		Bayer greek	ρ Gem

discov_num	notes	refcode
A 2124	62 Gem = rho Gem. A is a spectroscopic binary.
	G090-001. See Allen et al. (2000) for information on metallicity,	AlC2000
	CHARA Array Limb-darkened diameter 0.853 +/- 0.014 mas,	CIA2012e
	R = 1.655 +/- 0.028 \rsun, L = 5.542 +/-0.089 \lsun,
	Teff = 6899 +/- 63 K, M = 1.355 +/- 0.013 \msun,
	Age = 2.1 +/- 0.2 Gyr.
ALC 3	age, galactic orbital parameters, etc.
	AE: NLTT 17908/17907	Chm2004
	AE: HJL1047.	HJL1986
	AE: SHY 41. Bayesian analysis by Shaya & Olling (2011) indicates very	Shy2011
	high (near 100%) probability pair is physical.

refcode	metd	author	reference
AlC2000	Po -	Allen, C., Poveda, A., & Herrera, M	2000A&A...356..529A
AlC2000		A&A 356, 529, 2000
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)
CIA2012e	not j	Boyajian, T.S., McAlister, H.A., van Belle, G., Gies, D.R., ten Brummelaar, T.A.,	2012ApJ...746..101B
CIA2012e		von Braun, K., Farrington, C., Goldfinger, P.J., O'Brien, D., Parks, J.R.,	.
CIA2012e		Richardson, N.D., Ridgway, S., Schaefer, G., Sturmann, L., Sturmann, J., Touhami,	.
CIA2012e		Y., Turner, N.H. & White, R.	.
CIA2012e		ApJ 746, 101, 2012	.
HJL1986	Pa -	Halbwachs, J.L.	1986A&AS...66..131H
HJL1986		A&AS 66, 131, 1986
HJL1986		(Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986		only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Shy2011	-	Shaya, E.J. & Olling, R.	2011ApJS..192....2S
Shy2011		ApJS 192, 2, 2011
Shy2011		(Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011		added to WDS only if probability 90% or greater.)

idgroup	discov	author
1	A	Aitken, R.G.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
07291+3147	A 2124	AC	1998	14	285	221.7	4.16	11.59		N D	072906.72+314704.3
07291+3147	A 2124	AC	2001	15	285	221.6	4.16	11.59		NUD	072906.72+314704.3

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