21187+2240 UC 4439

21^h 18^m 44.66^s +22° 40' 29.0" P.A. 222.00 sep 9.8 mag 14.40,15.50

Coord 2000	21187+2240	Discov num	UC 4439	Comp		Coord arcsec 2000	21 18 44.66 +22 40 29.0
Date first	1999	Date last	2016	Obs	9
Pa first	223	Pa last	222	P.A. Now (θ)	222°
Sep first	9.8	Sep last	9.8	Sep. Now (ρ)	9.8"
Mag pri	14.40	Mag sec	15.50	delta mag (ΔM)	1.1	Spectral class
Pri motion ra	+036	Sec motion ra	+020
Pri motion dec	-049	Sec motion dec	-057
Notes	V (Proper motion indicates physical)

rPM=0.294 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

222.4

Precise sep

9.751

Constellation

Vulpecula

Gaia DR2

1791778206053588224

WDS HISTORIC DATA

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