20508+1702 CVR 875

 
 
20h 50m 44.65s +17 02' 12.4" P.A. 73 sep 20.3 mag 15.70,16.20 Sp M1+M1
 
 
Coord 2000
20508+1702
Discov num
CVR 875
Comp
Coord arcsec 2000
20 50 44.65 +17 02 12.4
Date first
2000
Date last
2015
Obs
4
Pa first
72
Pa last
73
P.A. Now (θ)
73°
Sep first
20.3
Sep last
20.3
Sep. Now (ρ)
20.3"
Mag pri
15.70
Mag sec
16.20
delta mag (ΔM)
0.5
Spectral class
M1+M1 (red/red)
Pri motion ra
+042
Sec motion ra
+043
Pri motion dec
+022
Sec motion dec
+023
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.4
Precise sep
20.327
Cdsa2 id
CVR 875
Constellation
Delphinus
Ra deg
20.84573611111111
De deg
17.03677777777778
last precise pa
73.4
last precise sep
20.327
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20508+1702 CVR 875 2004 1 72 20.3 15.70 16.20 M1+M1 V R 205046.00+170218.8
20508+1702 CVR 875 2015 2 73 20.3 15.70 16.20 M1+M1 V R 205046.00+170218.8

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