21567+2721 GRV 521

 
 
21h 56m 43.93s +27 21' 53.1" P.A. 306 sep 45.4 mag 11.32,11.92
 
 
Coord 2000
21567+2721
Discov num
GRV 521
Comp
Coord arcsec 2000
21 56 43.93 +27 21 53.1
Date first
1893
Date last
2014
Obs
7
Pa first
307
Pa last
306
P.A. Now (θ)
306°
Sep first
44.5
Sep last
45.4
Sep. Now (ρ)
45.4"
Mag pri
11.32
Mag sec
11.92
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-011
Sec motion ra
-015
Pri motion dec
-012
Sec motion dec
-011
Notes
rPM=0.222 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.2
Precise sep
45.42
Constellation
Pegasus
last precise pa
306.2
last precise sep
45.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21567+2721 GRV 521 2000 5 306 45.5 11.10 11.50 D 215643.93+272153.1
21567+2721 GRV 521 2001 6 306 45.4 11.10 11.50 D 215643.93+272153.1
21567+2721 GRV 521 2014 6 306 45.4 11.32 11.92 215643.93+272153.1

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