21097+3856 COU1967

 
 
21H 09M 44.21S +38 56' 02.5" P.A. 186 SEP 0.8 MAG 9.73,10.04 SP K0
 
 
Coord 2000
21097+3856
Discov num
COU1967
Comp
Coord arcsec 2000
21 09 44.21 +38 56 02.5
Date first
1981
Date last
2015
Obs
5
Pa first
189
Pa last
186
P.A. Now (θ)
186°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.73
Mag sec
10.04
delta mag (ΔM)
0.31
Spectral class
K0 (yellow-orange)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+007
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
70991
Tycho2
3168-02160-1
last precise pa
185.7
last precise sep
0.77