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00400+5549
ES 936

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

00400+5549 ES 936

00^h 40^m 00.94^s +55° 48' 26.5" P.A. 269.00 sep 8.1 mag 10.57,10.73

Coord 2000	00400+5549		Discov num	ES 936		Comp			Coord arcsec 2000	00 40 00.94 +55 48 26.5
Date first	1904		Date last	2016		Obs	16
Pa first	271		Pa last	269		P.A. Now (θ)	269°
Sep first	6.9		Sep last	8.1		Sep. Now (ρ)	8.1"
Mag pri	10.57		Mag sec	10.73		delta mag (ΔM)	0.16		Spectral class
Pri motion ra	+006		Sec motion ra	+005
Pri motion dec	-002		Sec motion dec	-002
Notes

rPM=0.158 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	269.1		Precise sep	8.121		Constellation	Cassiopeia		SAO	21606
Tycho2	3659-02165-1		Gaia DR2	418505053599712640

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00400+5549	ES 936		2005	8	269	8.4	10.57	10.73		D	004000.94+554826.5
00400+5549	ES 936		2011	10	269	6.0	10.57	10.73		D	004000.94+554826.5
00400+5549	ES 936		2015	11	271	7.9	10.57	10.73			004000.94+554826.5
00400+5549	ES 936		2016	13	269	8.1	10.57	10.73			004000.94+554826.5

If you need more information about this double, apply for a data request form to the WDS.