20031+3350 SEI 819

Coord 2000	20031+3350		Discov num	SEI 819		Comp			Coord arcsec 2000	20 03 06.91 +33 49 22.2
Date first	1893		Date last	2015		Obs	13
Pa first	156		Pa last	148		P.A. Now (θ)	148°
Sep first	22.4		Sep last	22.1		Sep. Now (ρ)	22.1"
Mag pri	10.56		Mag sec	12.02		delta mag (ΔM)	1.46		Spectral class	F5 (yellow-white)
Pri motion ra	-023		Sec motion ra	-002
Pri motion dec	-023		Sec motion dec	-008
Notes

rPM=0.793 Nature of this double is uncertain.

Precise pa	148		Precise sep	22.095		Constellation	Cygnus		Tycho2	2678-01708-1
Gaia DR2	34771136896		HD	227333

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20031+3350	SEI 819		1998	5	149	22.1	10.56	11.90		D	200306.91+334922.2
20031+3350	SEI 819		2008	6	148	22.0	10.56	11.90		D	200306.91+334922.2
20031+3350	SEI 819		2010	8	148	22.2	10.56	12.02	F5		200306.91+334922.2
20031+3350	SEI 819		2015	9	148	22.1	10.56	12.02	F5		200306.91+334922.2

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