18487+4052 UC 3680

18^h 48^m 41.97^s +40° 52' 26.5" P.A. 249.00 sep 10.3 mag 12.20,15.40

Coord 2000	18487+4052	Discov num	UC 3680	Comp		Coord arcsec 2000	18 48 41.97 +40 52 26.5
Date first	2000	Date last	2015	Obs	8
Pa first	247	Pa last	249	P.A. Now (θ)	249°
Sep first	11.1	Sep last	10.3	Sep. Now (ρ)	10.3"
Mag pri	12.20	Mag sec	15.40	delta mag (ΔM)	3.2	Spectral class
Pri motion ra	-050	Sec motion ra	-037
Pri motion dec	-064	Sec motion dec	-044
Notes	V R (Proper motion indicates physical, Red magnitudes)

rPM=0.294 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa

249.2

Precise sep

10.322

Constellation

Lyra

Gaia DR2

2104395440874091648

WDS HISTORIC DATA

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