15261+2128 STF 1942 (HD 137556)

 
 
15h 26m 03.11s +21° 27' 35.7" P.A. 91.00 sep 9.7 mag 9.49,10.68 Sp G5 dist. 584.8 pc (1907.62 l.y.)
 
 
Coord 2000 15261+2128 Discov num STF1942 Comp Coord arcsec 2000 15 26 03.11 +21 27 35.7
Date first 1830 Date last 2019 Obs 39
Pa first 92 Pa last 91.4 P.A. Now (θ) 91.4°
Sep first 9.2 Sep last 9.749 Sep. Now (ρ) 9.749"
Mag pri 9.49 Mag sec 10.68 delta mag (ΔM) 1.19 Spectral class G5 (yellow)
Pri motion ra +001 Sec motion ra +002
Pri motion dec +011 Sec motion dec +009
Notes
rPM=0.202 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 137556 Constellation Serpens SAO 83816 HIP 75548
Tycho2 1493-01503-1 Gaia DR2 1214378505178811520 HD 137556 GC 20748
BD BD+21 2770 Distance 584.8 Distance ly 1907.62