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Current system

04331+2410
GHE 12 Ba,Bb

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

04331+2410 GHE 12 Ba,Bb

04^h 33^m 06.22^s +24° 09' 34.0" P.A. 283.00 sep 0.3 mag 13.70,13.90 Sp M2.0+M2.0

Coord 2000	04331+2410		Discov num	GHE 12		Comp	Ba,Bb		Coord arcsec 2000	04 33 06.22 +24 09 34.0
Date first	1991		Date last	2015		Obs	18
Pa first	300		Pa last	283		P.A. Now (θ)	283°
Sep first	0.4		Sep last	0.287		Sep. Now (ρ)	0.287"
Mag pri	13.70		Mag sec	13.90		delta mag (ΔM)	0.2		Spectral class	M2.0+M2.0 (red/red)
Pri motion ra	+005		Sec motion ra
Pri motion dec	-067		Sec motion dec
Notes	N V (See Notes, Proper motion indicates physical)

This double is physical.

04331+2410 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			04 33 07 +24 09 55	GHE 13 Aa,Ab	2013	19	285	0.3	12.40	14.10	1.70	Y
Show			04 33 07 +24 09 55	GHE 13 Aa,b1	2011	27	293	0.2	11.38	13.67	2.29
Show			04 33 07 +24 09 55	GHE 13 Aa,b2	2011	27	293	0.2	11.38	14.48	3.10
Show			04 33 07 +24 09 55	GHE 13 Ab1,2	2011	33	296	0.0	14.80	15.10	0.30
Show			04 33 07 +24 09 55	HAT 9 AB	2000	4	195	21.9	11.20	13.20	2.00
Show			04 33 06 +24 09 34	GHE 12 Ba,Bb	2015	18	283	0.3	13.70	13.90	0.20		<===

Quintuple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Taurus

Gaia DR2

147778284078308096