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20126+3614
SEI1003

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

20126+3614 SEI1003

20^h 12^m 30.79^s +36° 13' 51.7" P.A. 282.00 sep 23.4 mag 10.95,11.84 Sp B5

Coord 2000	20126+3614		Discov num	SEI1003		Comp			Coord arcsec 2000	20 12 30.79 +36 13 51.7
Date first	1896		Date last	2015		Obs	14
Pa first	291		Pa last	282		P.A. Now (θ)	282°
Sep first	23.0		Sep last	23.4		Sep. Now (ρ)	23.4"
Mag pri	10.95		Mag sec	11.84		delta mag (ΔM)	0.89		Spectral class	B5 (blue-white)
Pri motion ra	-002		Sec motion ra	-015
Pri motion dec	-007		Sec motion dec	-032
Notes

rPM=0.797

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	282		Precise sep	23.395		Constellation	Cygnus		Tycho2	2683-00912-1
Gaia DR2	2058983377296635776

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20126+3614	SEI1003		1998	7	283	23.3	10.95	11.78		D	201230.79+361351.7
20126+3614	SEI1003		2002	8	283	23.3	10.95	11.78		D	201230.79+361351.7
20126+3614	SEI1003		2010	9	283	23.3	10.95	11.84	B5		201230.79+361351.7
20126+3614	SEI1003		2015	10	282	23.4	10.95	11.84	B5		201230.79+361351.7

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