20157+7307 UC 4128

20^h 15^m 39.84^s +73° 07' 12.6" P.A. 228.00 sep 26.3 mag 10.50,14.50 Sp G0

Coord 2000	20157+7307	Discov num	UC 4128	Comp		Coord arcsec 2000	20 15 39.84 +73 07 12.6
Date first	2000	Date last	2015	Obs	8
Pa first	228	Pa last	228	P.A. Now (θ)	228°
Sep first	26.4	Sep last	26.3	Sep. Now (ρ)	26.3"
Mag pri	10.50	Mag sec	14.50	delta mag (ΔM)	4	Spectral class	G0 (yellow)
Pri motion ra	+026	Sec motion ra	+016
Pri motion dec	+057	Sec motion dec	+050
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.195 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	228.4		Precise sep	26.254		Constellation	Draco		Tycho2	4454-00882-1
Gaia DR2	2275922209742307456

WDS HISTORIC DATA

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