18537+4550 DEA 437

18h 53m 45.50s +45° 50' 18.8" P.A. 73.00 sep 25.9 mag 12.90,17.80

Coord 2000 18537+4550 Discov num DEA 437 Comp Coord arcsec 2000 18 53 45.50 +45 50 18.8
Date first 1998 Date last 2015 Obs 10
Pa first 73 Pa last 72.9 P.A. Now (θ) 72.9°
Sep first 25.9 Sep last 25.87 Sep. Now (ρ) 25.87"
Mag pri 12.90 Mag sec 17.80 delta mag (ΔM) 4.9 Spectral class
Pri motion ra +037 Sec motion ra +040
Pri motion dec -096 Sec motion dec -087
Notes V (Proper motion indicates physical)




rPM=0.092 (< 0.3, Physical double)

This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation Lyra Gaia DR2 2107031142044630144