00393+3052 BU  491AB (Del And)

Coord 2000	00393+3052		Discov num	BU  491		Comp	AB		Coord arcsec 2000	00 39 19.60 +30 51 40.4
Date first	1878		Date last	2012		Obs	14
Pa first	299		Pa last	300		P.A. Now (θ)	300°
Sep first	27.9		Sep last	29.4		Sep. Now (ρ)	29.4"
Mag pri	3.25		Mag sec	12.44		delta mag (ΔM)	9.19		Spectral class	K3III (yellow-orange)
Pri motion ra	+114		Sec motion ra
Pri motion dec	-084		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		54058	00393+3052	BTM 1	Aa,Ab	2014	2014	1	56	0.4	3.28	10.00	6.72	Y
Show	Del And	54058	00393+3052	BU 491	AB	1878	2012	14	300	29.4	3.25	12.44	9.19		<===
Show		54058	00393+3052	BU 491	AC	1910	2012	5	104	32.2	3.25	15.70	12.45

Quadruple system
3 visible stars in this system

Precise pa	299.7		Precise sep	29.4		Name	Del And		Cdsa2 id	BU 491 AB
Constellation	Andromeda		SAO	54058		HIP	3092		Tycho2	2275-01753-1
HD	3627		HR	165		GC	774		BD	BD+30 91
Bayer	Delta Andromedae		Bayer name	Del And		Flamsteed	31 Andromedae		Flamsteed name	31 And
Ra deg	0.6554444444444445		De deg	30.861222222222224		Distance	32.35		Distance ly	105.53
last precise pa	299.7		last precise sep	29.4

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00393+3052	BU 491	AB	2007	13	299	28.9	3.25	12.44	K3III	N D	003919.60+305140.4
00393+3052	BU 491	AB	2012	14	300	29.4	3.25	12.44	K3III	N D	003919.60+305140.4

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