09186+5231 HJ 2492AB

Coord 2000	09186+5231		Discov num	HJ 2492		Comp	AB		Coord arcsec 2000	09 18 33.70 +52 31 00.4
Date first	1831		Date last	2010		Obs	7
Pa first	133		Pa last	120		P.A. Now (θ)	120°
Sep first	10.0		Sep last	15.9		Sep. Now (ρ)	15.9"
Mag pri	13.00		Mag sec	14.40		delta mag (ΔM)	1.4		Spectral class	F (yellow-white)
Pri motion ra	-007		Sec motion ra
Pri motion dec	-018		Sec motion dec
Notes	N X R (See Notes, Dubious double, Red magnitudes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			09 18 34 +52 31 00	DAM 1594 Aa,Ab	2019	2	340	1.2	13.20	14.60	1.40
Show			09 18 34 +52 31 00	HJ 2492 AB	2010	7	120	15.9	13.00	14.40	1.40		<===
Show			09 18 34 +52 31 00	HJ 2492 AC	2019	3	129	236.9	13.00	9.14	3.86
Show		27206	09 18 35 +52 30 52	HJ 2492 BC	2015	9	130	221.3	14.40	9.14	5.26

Quadruple system
3 visible stars in this system

Precise pa

120.2

Precise sep

15.87

Constellation

Ursa Major

Gaia DR2

1022474556030913408

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
09186+5231	HJ 2492	AB	1998	3	122	16.2	9.80	12.30	F	N D	091835.41+523050.0
09186+5231	HJ 2492	AB	2010	7	120	15.9	13.00	13.30	F	NX	091833.70+523100.4

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