21257+5957 MLB 88

 
 
21h 25m 48.83s +59° 57' 42.5" P.A. 115.00 sep 7.5 mag 10.01,11.30 Sp F0
 
 
Coord 2000 21257+5957 Discov num MLB  88 Comp Coord arcsec 2000 21 25 48.83 +59 57 42.5
Date first 1904 Date last 2016 Obs 11
Pa first 115 Pa last 115.3 P.A. Now (θ) 115.3°
Sep first 7.2 Sep last 7.542 Sep. Now (ρ) 7.542"
Mag pri 10.01 Mag sec 11.30 delta mag (ΔM) 1.29 Spectral class F0 (yellow-white)
Pri motion ra -007 Sec motion ra -004
Pri motion dec -013 Sec motion dec -020
Notes
rPM=0.373
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Tycho2 3978-00511-1 Gaia DR2 2191688074193574016