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
Constellation
Delphinus
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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