21480+2508 POU5508

 
 
21h 48m 00.02s +25 08' 03.5" P.A. 339 sep 4.4 mag 13.40,13.70
 
 
Coord 2000
21480+2508
Discov num
POU5508
Comp
Coord arcsec 2000
21 48 00.02 +25 08 03.5
Date first
1898
Date last
2010
Obs
4
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
4.0
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
13.40
Mag sec
13.70
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+073
Sec motion ra
+007
Pri motion dec
-122
Sec motion dec
+024
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pegasus
last precise pa
338.6
last precise sep
4.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21480+2508 POU5508 1997 2 339 3.9 13.40 13.70 D 214800.02+250803.5
21480+2508 POU5508 2001 3 338 3.9 13.40 13.70 D 214800.02+250803.5
21480+2508 POU5508 2010 4 339 4.4 13.40 13.70 214800.02+250803.5

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