21172+1502 UC 4427

 
 
21h 17m 13.66s +15 01' 46.7" P.A. 328 sep 54.2 mag 14.70,15.23
 
 
Coord 2000
21172+1502
Discov num
UC 4427
Comp
Coord arcsec 2000
21 17 13.66 +15 01 46.7
Date first
2000
Date last
2015
Obs
4
Pa first
329
Pa last
328
P.A. Now (θ)
328°
Sep first
53.3
Sep last
54.2
Sep. Now (ρ)
54.2"
Mag pri
14.70
Mag sec
15.23
delta mag (ΔM)
0.53
Spectral class
Pri motion ra
+054
Sec motion ra
+045
Pri motion dec
-032
Sec motion dec
-040
Notes
V (Proper motion indicates physical)
rPM=0.192 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.2
Precise sep
54.217
Constellation
Pegasus
last precise pa
328.2
last precise sep
54.217
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21172+1502 UC 4427 2000 2 329 53.3 14.70 15.40 V 211713.66+150146.7
21172+1502 UC 4427 2001 2 329 53.2 14.70 15.40 V 211713.66+150146.7
21172+1502 UC 4427 2010 3 328 54.5 14.70 15.23 V 211713.66+150146.7
21172+1502 UC 4427 2015 4 328 54.2 14.70 15.23 V 211713.66+150146.7

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