21187+0857 LDS 4877

 
 
21h 18m 37.09s +08° 57' 35.1" P.A. 123.00 sep 89.5 mag 7.33,17.50 Sp F5+M4 dist. 41.81 pc (136.38 l.y.)
 
 
Coord 2000 21187+0857 Discov num LDS4877 Comp Coord arcsec 2000 21 18 37.09 +08 57 35.1
Date first 1960 Date last 2016 Obs 7
Pa first 124 Pa last 123.4 P.A. Now (θ) 123.4°
Sep first 89.0 Sep last 89.545 Sep. Now (ρ) 89.545"
Mag pri 7.33 Mag sec 17.50 delta mag (ΔM) 10.17 Spectral class F5+M4 (yellow-white/red)
Pri motion ra +144 Sec motion ra +147
Pri motion dec -041 Sec motion dec -040
Notes V (Proper motion indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Equuleus SAO 126700 HIP 105202 Tycho2 1105-01060-1
Gaia DR2 1743504800870418432 HD 202884 GC 29813 BD BD+08 4648
Distance 41.81 Distance ly 136.38