21024+2748 TOK 345 (ER Vul)

 
 
21h 02m 25.90s +27° 48' 26.4" P.A. 119.00 sep 80.2 mag 7.42,15.73 Sp F8/9Vp? dist. 52 pc (169.62 l.y.)
 
 
Coord 2000 21024+2748 Discov num TOK 345 Comp Coord arcsec 2000 21 02 25.90 +27 48 26.4
Date first 1980 Date last 2015 Obs 9
Pa first 119 Pa last 119 P.A. Now (θ) 119°
Sep first 80.2 Sep last 80.196 Sep. Now (ρ) 80.196"
Mag pri 7.42 Mag sec 15.73 delta mag (ΔM) 8.31 Spectral class F8/9Vp? (yellow-white)
Pri motion ra +087 Sec motion ra +089
Pri motion dec +006 Sec motion dec +014
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.092 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name ER Vul Constellation Vulpecula SAO 89396 HIP 103833
Tycho2 2180-00611-1 Gaia DR2 1845206534070618624 HD 200391 BD BD+27 3952
Distance 52 Distance ly 169.62