20306+1540 GRV 346

 
 
20h 30m 39.61s +15 40' 37.0" P.A. 11.00 sep 66.6 mag 11.11,12.61
 
 
Coord 2000
20306+1540
Discov num
GRV 346
Comp
Coord arcsec 2000
20 30 39.61 +15 40 37.0
Date first
2000
Date last
2015
Obs
8
Pa first
11
Pa last
11
P.A. Now (θ)
11°
Sep first
66.1
Sep last
66.6
Sep. Now (ρ)
66.6"
Mag pri
11.11
Mag sec
12.61
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-011
Sec motion ra
+004
Pri motion dec
-041
Sec motion dec
-008
Notes
S (Parallax indidates non-physical)
Visually invisible, K-band or other infrared star rPM=0.854
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
11
Precise sep
66.571
Constellation
Delphinus
Tycho2
1632-00754-1
Gaia DR2
60220238080
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20306+1540 GRV 346 2000 2 11 66.1 11.00 12.40 D 203039.61+154037.0
20306+1540 GRV 346 2001 3 11 66.1 11.00 12.40 D 203039.61+154037.0
20306+1540 GRV 346 2010 3 11 66.9 11.11 12.61 203039.61+154037.0
20306+1540 GRV 346 2015 4 11 66.6 11.11 12.61 203039.61+154037.0

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