03306+4947 HLD 8 (HD 21539)

 
 
03h 30m 34.67s +49° 47' 21.2" P.A. 177.00 sep 2.4 mag 9.42,9.79 Sp F0
 
 
Coord 2000 03306+4947 Discov num HLD   8 Comp Coord arcsec 2000 03 30 34.67 +49 47 21.2
Date first 1881 Date last 2018 Obs 23
Pa first 177 Pa last 176.6 P.A. Now (θ) 176.6°
Sep first 1.9 Sep last 2.363 Sep. Now (ρ) 2.363"
Mag pri 9.42 Mag sec 9.79 delta mag (ΔM) 0.37 Spectral class F0 (yellow-white)
Pri motion ra -010 Sec motion ra -011
Pri motion dec +003 Sec motion dec +004
Notes V (Proper motion indicates physical)
rPM=0.121 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21539 Constellation Perseus SAO 38889 Tycho2 3320-01240-1
Gaia DR2 441554248988231168 HD 21539