21496+2431 POU5520

 
 
21h 49m 33.53s +24 30' 45.2" P.A. 308 sep 19.4 mag 13.20,14.50
 
 
Coord 2000
21496+2431
Discov num
POU5520
Comp
Coord arcsec 2000
21 49 33.53 +24 30 45.2
Date first
1898
Date last
2010
Obs
5
Pa first
314
Pa last
308
P.A. Now (θ)
308°
Sep first
18.0
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
13.20
Mag sec
14.50
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
+012
Sec motion ra
-013
Pri motion dec
-007
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
last precise pa
307.7
last precise sep
19.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21496+2431 POU5520 1898 1 314 18.0 11.76 12.40 214936.60+243056.9
21496+2431 POU5520 1997 2 308 19.3 13.20 14.50 D 214933.53+243045.2
21496+2431 POU5520 2009 3 307 19.2 13.20 14.50 D 214933.53+243045.2
21496+2431 POU5520 2010 5 308 19.3 13.20 14.50 214933.53+243045.2

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