20188+0305 UC 4144

20^h 18^m 50.31^s +03° 04' 43.9" P.A. 347.00 sep 30.8 mag 15.50,15.70

Coord 2000	20188+0305	Discov num	UC 4144	Comp		Coord arcsec 2000	20 18 50.31 +03 04 43.9
Date first	2000	Date last	2015	Obs	4
Pa first	348	Pa last	347	P.A. Now (θ)	347°
Sep first	30.5	Sep last	30.8	Sep. Now (ρ)	30.8"
Mag pri	15.50	Mag sec	15.70	delta mag (ΔM)	0.2	Spectral class
Pri motion ra	+008	Sec motion ra	+011
Pri motion dec	+080	Sec motion dec	+074
Notes	U R (Proper motion indicates non-physical, Red magnitudes)

rPM=0.083 (< 0.3, Physical double)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

347.1

Precise sep

30.791

Constellation

Hydra

Gaia DR2

4243477239489656064

WDS HISTORIC DATA

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