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
Cdsa2 id
UC 4427
Constellation
Pegasus
Ra deg
21.28712777777778
De deg
15.02963888888889
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

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