21111+1704 HEI 187

 
 
21H 11M 05.26S +17 03' 40.7" P.A. 255 SEP 1.2 MAG 10.72,11.40 SP G5
 
 
Coord 2000
21111+1704
Discov num
HEI 187
Comp
Coord arcsec 2000
21 11 05.26 +17 03 40.7
Date first
1980
Date last
2014
Obs
10
Pa first
256
Pa last
255
P.A. Now (θ)
255°
Sep first
1.1
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.72
Mag sec
11.40
delta mag (ΔM)
0.68
Spectral class
G5 (yellow)
Pri motion ra
+187
Sec motion ra
+187
Pri motion dec
-039
Sec motion dec
-039
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
Tycho2
1653-00153-1
last precise pa
255
last precise sep
1.166