21456+2503 POU5490

 
 
21h 45m 40.09s +25 02' 18.0" P.A. 54 sep 14.4 mag 12.20,14.38
 
 
Coord 2000
21456+2503
Discov num
POU5490
Comp
Coord arcsec 2000
21 45 40.09 +25 02 18.0
Date first
1898
Date last
2010
Obs
6
Pa first
60
Pa last
54
P.A. Now (θ)
54°
Sep first
14.5
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
12.20
Mag sec
14.38
delta mag (ΔM)
2.18
Spectral class
Pri motion ra
-006
Sec motion ra
-003
Pri motion dec
-004
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
last precise pa
54.2
last precise sep
14.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21456+2503 POU5490 1997 2 55 14.5 12.20 14.38 D 214540.09+250218.0
21456+2503 POU5490 2008 4 54 14.6 12.20 14.38 D 214540.09+250218.0
21456+2503 POU5490 2010 6 55 14.1 12.20 14.38 214540.09+250218.0

If you need more information about this double, apply for a data request form to the WDS.