21431+1045 ITF  72

 
 
21h 43m 07.98s +10 44' 43.1" P.A. 75 sep 33.7 mag 15.90,16.00 Sp M5V+WD
 
 
Coord 2000
21431+1045
Discov num
ITF  72
Comp
Coord arcsec 2000
21 43 07.98 +10 44 43.1
Date first
1953
Date last
2016
Obs
5
Pa first
76
Pa last
75
P.A. Now (θ)
75°
Sep first
33.3
Sep last
33.7
Sep. Now (ρ)
33.7"
Mag pri
15.90
Mag sec
16.00
delta mag (ΔM)
0.1
Spectral class
M5V+WD (red/Wolf-Rayet)
Pri motion ra
-015
Sec motion ra
-008
Pri motion dec
-023
Sec motion dec
-020
Notes
R (Red magnitudes)
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
74.9
Precise sep
33.713
Constellation
Pegasus
last precise pa
74.9
last precise sep
33.713
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21431+1045 ITF 72 2000 5 75 33.8 15.90 16.00 M5V+WD R 214307.98+104443.1
21431+1045 ITF 72 2010 4 75 33.8 15.90 16.00 M5V+WD R 214307.98+104443.1
21431+1045 ITF 72 2016 5 75 33.7 15.90 16.00 M5V+WD R 214307.98+104443.1

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