20156-3154 HJ 5181

Coord 2000	20156-3154		Discov num	HJ 5181		Comp			Coord arcsec 2000	20 15 33.48 -31 53 35.5
Date first	1835		Date last	2010		Obs	8
Pa first	7		Pa last	6		P.A. Now (θ)	6°
Sep first	7.0		Sep last	10.1		Sep. Now (ρ)	10.1"
Mag pri	10.31		Mag sec	11.90		delta mag (ΔM)	1.59		Spectral class	G0 (yellow)
Pri motion ra	+010		Sec motion ra	+010
Pri motion dec	+000		Sec motion dec	-022
Notes

rPM=0.91 This double is not physical.

Precise pa	5.6		Precise sep	10.05		Constellation	Sagittarius		SAO	211937
Tycho2	7446-01825-1		Gaia DR2	48441676288

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20156-3154	HJ 5181		1998	6	5	10.2	10.31	11.90	G0	D	201533.48-315335.5
20156-3154	HJ 5181		1999	7	5	10.1	10.31	11.90	G0	D	201533.48-315335.5
20156-3154	HJ 5181		2010	8	6	10.1	10.31	11.90	G0		201533.48-315335.5

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