04504+0934 SKF 1831 A,BC (HD 30713)

04^h 50^m 23.36^s +09° 33' 17.6" P.A. 320.00 sep 53.3 mag 9.20,9.72 Sp A0+A2

Coord 2000	04504+0934		Discov num	SKF1831		Comp	A,BC		Coord arcsec 2000	04 50 23.36 +09 33 17.6
Date first	1910		Date last	2015		Obs	11
Pa first	320		Pa last	320.1		P.A. Now (θ)	320.1°
Sep first	53.3		Sep last	53.349		Sep. Now (ρ)	53.349"
Mag pri	9.20		Mag sec	9.72		delta mag (ΔM)	0.52		Spectral class	A0+A2 (white/white)
Pri motion ra	+003		Sec motion ra	+004
Pri motion dec	-003		Sec motion dec	-002
Notes

rPM=0.316

Nature of this double is uncertain.

04504+0934 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 30713	112122	04 50 23 +09 33 18	SKF 1831 A,BC	2015	11	320	53.3	9.20	9.72	0.52		<===
Show		112119	04 50 21 +09 33 58	A 2039 BC	2015	7	298	0.1	10.40	10.40	0.00

Triple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 30713		Constellation	Orion		SAO	112122		Tycho2	0687-00859-1
Gaia DR2	3292889548251368320		HD	30713		DM	BD+09 663