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Doubles in session

Current system

05247+3723
BU 888 CD

Selections

Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

05247+3723 BU 888 CD

05^h 24^m 38.08^s +37° 23' 32.0" P.A. 345.00 sep 7.4 mag 13.40,15.20

Coord 2000	05247+3723		Discov num	BU 888		Comp	CD		Coord arcsec 2000	05 24 38.08 +37 23 32.0
Date first	1898		Date last	2016		Obs	9
Pa first	348		Pa last	345		P.A. Now (θ)	345°
Sep first	4.4		Sep last	7.35		Sep. Now (ρ)	7.35"
Mag pri	13.40		Mag sec	15.20		delta mag (ΔM)	1.8		Spectral class
Pri motion ra	-001		Sec motion ra
Pri motion dec	+005		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

05247+3723 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Sig Aur	57981	05 24 39 +37 23 07	BU 888 AB	2016	8	164	8.1	5.16	12.00	6.84
Show		57981	05 24 39 +37 23 07	BU 888 AC	2016	8	334	27.9	5.16	13.40	8.24
Show		57981	05 24 39 +37 23 07	BU 888 AD	2016	2	336	35.2	5.16	15.20	10.04
Show			05 24 39 +37 23 01	BU 888 BC	2016	2	336	35.8	12.00	13.40	1.40
Show			05 24 39 +37 23 01	BU 888 BD	2016	2	338	43.1	12.00	15.20	3.20
Show			05 24 38 +37 23 32	BU 888 CD	2016	9	345	7.4	13.40	15.20	1.80		<===

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Auriga

Gaia DR2

184433149890657920