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
Cdsa2 id
UC 4447
Constellation
Pegasus
Ra deg
21.34229722222222
De deg
15.30338888888889
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.