00492+5720 A 921 AB,C

 
 
00h 49m 09.10s +57° 19' 37.6" P.A. 268.00 sep 4.7 mag 8.60,14.00 Sp G5
 
 
Coord 2000 00492+5720 Discov num A   921 Comp AB,C Coord arcsec 2000 00 49 09.10 +57 19 37.6
Date first 1905 Date last 2011 Obs 10
Pa first 265 Pa last 268.2 P.A. Now (θ) 268.2°
Sep first 4.3 Sep last 4.699 Sep. Now (ρ) 4.699"
Mag pri 8.60 Mag sec 14.00 delta mag (ΔM) 5.4 Spectral class G5 (yellow)
Pri motion ra +016 Sec motion ra
Pri motion dec +020 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
00492+5720 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21736 00 49 09 +57 19 38 A 921 AB 2008 15 2 0.2 9.00 9.50 0.50 Y
Show 21736 00 49 09 +57 19 38 A 921 AB,C 2011 10 268 4.7 8.60 14.00 5.40 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cassiopeia SAO 21736 Tycho2 3663-02675-1 Gaia DR2 423900666397110016
HD 236538