20124+2224 GRV 322AB

Coord 2000	20124+2224		Discov num	GRV 322		Comp	AB		Coord arcsec 2000	20 12 29.92 +22 24 27.7
Date first	1906		Date last	2015		Obs	9
Pa first	187		Pa last	187		P.A. Now (θ)	187°
Sep first	54.8		Sep last	54.2		Sep. Now (ρ)	54.2"
Mag pri	11.49		Mag sec	13.26		delta mag (ΔM)	1.77		Spectral class
Pri motion ra	-017		Sec motion ra	-017
Pri motion dec	-029		Sec motion dec	-022
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.208 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		88342	20124+2224	GRV 322	AB	1906	2015	9	187	54.2	11.49	13.26	1.77		<===
Show		88342	20124+2224	GRV 322	AC	1894	2015	12	180	94.9	11.49	11.92	0.43

Triple system
3 visible stars in this system

Precise pa	186.5		Precise sep	54.231		Constellation	Vulpecula		SAO	88342
Tycho2	1630-01671-1		Gaia DR2	67987990016		HD	346025

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20124+2224	GRV 322	AB	2000	3	187	54.4	11.30	12.80		N D	201229.92+222427.7
20124+2224	GRV 322	AB	2008	4	187	54.7	11.30	12.80		N D	201229.92+222427.7
20124+2224	GRV 322	AB	2015	5	187	54.2	11.49	13.26		N	201229.92+222427.7

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