20090+1808 HJ 2932AB

Coord 2000	20090+1808		Discov num	HJ 2932		Comp	AB		Coord arcsec 2000	20 09 03.45 +18 07 06.4
Date first	1831		Date last	2016		Obs	15
Pa first	133		Pa last	165		P.A. Now (θ)	165°
Sep first	12.0		Sep last	12.6		Sep. Now (ρ)	12.6"
Mag pri	10.01		Mag sec	11.17		delta mag (ΔM)	1.16		Spectral class	A2 (white)
Pri motion ra	+022		Sec motion ra	-004
Pri motion dec	+024		Sec motion dec	-003
Notes

rPM=1.151 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 09 03 +18 07 06	HJ 2932 AB	2016	15	165	12.6	10.01	11.17	1.16		<===
Show			20 09 03 +18 07 06	HJ 2932 AC	2016	11	217	24.3	10.01	14.00	3.99
Show			20 09 03 +18 07 06	HJ 2932 AD	2016	8	322	13.0	10.01	14.70	4.69

Quadruple system
4 visible stars in this system

Precise pa	165.3		Precise sep	12.6		Constellation	Sagitta		Tycho2	1622-01432-1
Gaia DR2	1809881802463035264		HD	351488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20090+1808	HJ 2932	AB	1999	7	162	13.1	10.01	11.17	A2	D	200903.45+180706.4
20090+1808	HJ 2932	AB	2001	8	163	13.3	10.01	11.17	A2	D	200903.45+180706.4
20090+1808	HJ 2932	AB	2010	9	165	12.2	10.01	11.17	A2		200903.45+180706.4
20090+1808	HJ 2932	AB	2016	9	165	13.5	10.01	11.17	A2		200903.45+180706.4

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