21587+6434 HJ 1713 (HD 209122)

 
 
21h 58m 42.66s +64° 33' 49.4" P.A. 125.00 sep 18.7 mag 8.69,10.67 Sp G5
 
 
Coord 2000 21587+6434 Discov num HJ 1713 Comp Coord arcsec 2000 21 58 42.66 +64 33 49.4
Date first 1828 Date last 2016 Obs 19
Pa first 126 Pa last 125.1 P.A. Now (θ) 125.1°
Sep first 18.0 Sep last 18.7 Sep. Now (ρ) 18.7"
Mag pri 8.69 Mag sec 10.67 delta mag (ΔM) 1.98 Spectral class G5 (yellow)
Pri motion ra +061 Sec motion ra +056
Pri motion dec -055 Sec motion dec -056
Notes V (Proper motion indicates physical)
rPM=0.062 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 209122 Constellation Cepheus SAO 19771 Tycho2 4270-02302-1
Gaia DR2 2218315256515178112 HD 209122