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Current system

05170+3811
SEI 146 AC

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

05170+3811 SEI 146 AC

05^h 17^m 01.97^s +38° 09' 59.2" P.A. 249.00 sep 11.6 mag 11.80,12.10

Coord 2000	05170+3811		Discov num	SEI 146		Comp	AC		Coord arcsec 2000	05 17 01.97 +38 09 59.2
Date first	1895		Date last	2015		Obs	10
Pa first	249		Pa last	249.4		P.A. Now (θ)	249.4°
Sep first	10.9		Sep last	11.592		Sep. Now (ρ)	11.592"
Mag pri	11.80		Mag sec	12.10		delta mag (ΔM)	0.3		Spectral class
Pri motion ra	-010		Sec motion ra	-005
Pri motion dec	+020		Sec motion dec	-005
Notes

rPM=1.14

This double is not physical.

05170+3811 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			05 17 02 +38 09 59	SEI 145 AB	2015	9	157	4.2	11.80	11.40	0.40
Show			05 17 02 +38 09 59	SEI 146 AC	2015	10	249	11.6	11.80	12.10	0.30		<===
Show			05 17 02 +38 09 59	SEI 147 AD	2015	4	5	5.3	11.80	12.90	1.10

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Auriga

Gaia DR2

187761783909172096