20500+1432 CVR 874

 
 
20h 49m 56.54s +14 31' 28.9" P.A. 81 sep 16.7 mag 15.60,18.40 Sp M3+M5
 
 
Coord 2000
20500+1432
Discov num
CVR 874
Comp
Coord arcsec 2000
20 49 56.54 +14 31 28.9
Date first
2000
Date last
2010
Obs
3
Pa first
82
Pa last
81
P.A. Now (θ)
81°
Sep first
16.8
Sep last
16.7
Sep. Now (ρ)
16.7"
Mag pri
15.60
Mag sec
18.40
delta mag (ΔM)
2.8
Spectral class
M3+M5 (red/red)
Pri motion ra
+054
Sec motion ra
+056
Pri motion dec
+014
Sec motion dec
+016
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.049 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
81.3
Precise sep
16.69
Cdsa2 id
CVR 874
Constellation
Delphinus
Ra deg
20.832372222222222
De deg
14.524694444444446
last precise pa
81.3
last precise sep
16.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20500+1432 CVR 874 2004 1 82 16.7 15.60 18.40 M3+M5 V R 204957.68+143131.3
20500+1432 CVR 874 2010 3 81 16.7 15.60 18.40 M3+M5 V R 204956.54+143128.9

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