21205+1518 UC 4447

 
 
21h 20m 32.27s +15 18' 12.2" P.A. 81 sep 32.4 mag 11.18,15.91
 
 
Coord 2000
21205+1518
Discov num
UC 4447
Comp
Coord arcsec 2000
21 20 32.27 +15 18 12.2
Date first
1998
Date last
2015
Obs
4
Pa first
81
Pa last
81
P.A. Now (θ)
81°
Sep first
32.4
Sep last
32.4
Sep. Now (ρ)
32.4"
Mag pri
11.18
Mag sec
15.91
delta mag (ΔM)
4.73
Spectral class
Pri motion ra
-023
Sec motion ra
-022
Pri motion dec
-052
Sec motion dec
-052
Notes
V (Proper motion indicates physical)
rPM=0.018 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.6
Precise sep
32.375
Constellation
Pegasus
last precise pa
80.6
last precise sep
32.375
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21205+1518 UC 4447 2000 2 81 32.4 11.20 15.90 V 212032.27+151812.2
21205+1518 UC 4447 2001 2 81 32.4 11.20 15.90 V 212032.27+151812.2
21205+1518 UC 4447 2010 3 81 32.4 11.18 15.91 V 212032.27+151812.2
21205+1518 UC 4447 2015 4 81 32.4 11.18 15.91 V 212032.27+151812.2

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