07247-3149 DUN 47 A,CD

07^h 24^m 43.87^s -31° 48' 32.1" P.A. 344.00 sep 97.1 mag 5.40,7.58 Sp B8V dist. 202.43 pc (660.33 l.y.)

Coord 2000	07247-3149		Discov num	DUN 47		Comp	A,CD		Coord arcsec 2000	07 24 43.87 -31 48 32.1
Date first	1898		Date last	2020		Obs	18
Pa first	341		Pa last	344.2		P.A. Now (θ)	344.2°
Sep first	100.4		Sep last	97.102		Sep. Now (ρ)	97.102"
Mag pri	5.40		Mag sec	7.58		delta mag (ΔM)	2.18		Spectral class	B8V (blue-white)
Pri motion ra	-021		Sec motion ra	-005
Pri motion dec	+009		Sec motion dec	+010
Notes	N (See Notes)

rPM=0.702

Nature of this double is uncertain.

07247-3149 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	NSV3584	197964	07 24 44 -31 48 32	DAW 129 AB	2016	7	311	2.1	5.40	9.73	4.33
Show		197964	07 24 44 -31 48 32	DUN 47 A,CD	2020	18	344	97.1	5.40	7.58	2.18		<===
Show		197962	07 24 42 -31 46 58	B 1540 CD	1965	3	205	0.9	7.60	10.80	3.20

Quadruple system
5 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	NSV3584		Constellation	Canis Major		SAO	197964		HIP	35957
Tycho2	7104-03985-1		Gaia DR2	5592885801315568768		HD	58535		HR	2834
GC	9903		CD	CD-31 4482		CP	CP-31 1537		Distance	202.43
Distance ly	660.33