20212+6043 STI 970

20^h 21^m 11.57^s +60° 42' 37.4" P.A. 152.00 sep 12.8 mag 10.22,15.40 Sp A0

Coord 2000	20212+6043		Discov num	STI 970		Comp			Coord arcsec 2000	20 21 11.57 +60 42 37.4
Date first	1901		Date last	2015		Obs	11
Pa first	157		Pa last	152		P.A. Now (θ)	152°
Sep first	13.1		Sep last	12.8		Sep. Now (ρ)	12.8"
Mag pri	10.22		Mag sec	15.40		delta mag (ΔM)	5.18		Spectral class	A0 (white)
Pri motion ra	-003		Sec motion ra	-005
Pri motion dec	-003		Sec motion dec	-004
Notes

rPM=0.349

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	152		Precise sep	12.773		Constellation	Cepheus		SAO	18823
Tycho2	4233-01409-1		Gaia DR2	2236810382122162432

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20212+6043	STI 970		1999	4	152	12.8	10.22	15.40	A0	D	202111.57+604237.4
20212+6043	STI 970		2003	5	152	12.8	10.22	15.40	A0	D	202111.57+604237.4
20212+6043	STI 970		2011	6	152	12.9	10.22	15.40	A0		202111.57+604237.4
20212+6043	STI 970		2015	7	152	12.8	10.22	15.40	A0		202111.57+604237.4

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