20022+3154 SEI 802

Coord 2000	20022+3154		Discov num	SEI 802		Comp			Coord arcsec 2000	20 02 13.53 +31 53 50.7
Date first	1893		Date last	2015		Obs	11
Pa first	316		Pa last	312		P.A. Now (θ)	312°
Sep first	20.1		Sep last	20.0		Sep. Now (ρ)	20"
Mag pri	10.11		Mag sec	11.90		delta mag (ΔM)	1.79		Spectral class	K2 (yellow-orange)
Pri motion ra	+003		Sec motion ra	-007
Pri motion dec	+009		Sec motion dec	-004
Notes

rPM=1.729 This double is not physical.

Precise pa	312.1		Precise sep	20.021		Constellation	Cygnus		Tycho2	2674-01360-1
Gaia DR2	49691957888		HD	331689

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20022+3154	SEI 802		1998	4	313	20.0	10.11	11.90	K2	D	200213.53+315350.7
20022+3154	SEI 802		2002	5	313	20.0	10.11	11.90	K2	D	200213.53+315350.7
20022+3154	SEI 802		2015	6	312	20.0	10.11	11.90	K2		200213.53+315350.7

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