20103+3511 SEI 941

Coord 2000	20103+3511		Discov num	SEI 941		Comp			Coord arcsec 2000	20 10 18.07 +35 10 01.1
Date first	1896		Date last	2015		Obs	14
Pa first	158		Pa last	156		P.A. Now (θ)	156°
Sep first	26.8		Sep last	27.5		Sep. Now (ρ)	27.5"
Mag pri	10.76		Mag sec	11.17		delta mag (ΔM)	0.41		Spectral class	F0 (yellow-white)
Pri motion ra	-002		Sec motion ra	-002
Pri motion dec	-007		Sec motion dec	-012
Notes

rPM=0.411 Nature of this double is uncertain.

Precise pa	156.4		Precise sep	27.45		Constellation	Cygnus		Tycho2	2679-01551-1
Gaia DR2	00863718016		HD	228071

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20103+3511	SEI 941		2002	6	156	27.5	10.76	11.59		D	201018.07+351001.1
20103+3511	SEI 941		2011	8	156	27.5	10.76	11.59		D	201018.07+351001.1
20103+3511	SEI 941		2015	10	156	27.5	10.76	11.17	F0		201018.07+351001.1

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