21544+0738 CVR 254

21h 54m 25.49s +07 38' 16.1" P.A. 73 sep 13 mag 17.10,17.90 Sp M4+M4

Coord 2000
21544+0738
Discov num
CVR 254
Comp
Coord arcsec 2000
21 54 25.49 +07 38 16.1
Date first
2000
Date last
2010
Obs
3
Pa first
73
Pa last
73
P.A. Now (θ)
73°
Sep first
12.9
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
17.10
Mag sec
17.90
delta mag (ΔM)
0.8
Spectral class
M4+M4 (red/red)
Pri motion ra
-078
Sec motion ra
-074
Pri motion dec
-094
Sec motion dec
-092
Notes
V R (Proper motion indicates physical, Red magnitudes)


This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation
Pegasus
last precise pa
72.5
last precise sep
12.97




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21544+0738 CVR 254 2008 1 73 13.1 17.10 17.90 M4+M4 V R 215425.49+073816.1
21544+0738 CVR 254 2010 3 73 12.9 17.10 17.90 M4+M4 V R 215425.49+073816.1

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