20390-0555 GWP2977

 
 
20h 39m 01.06s -05 55' 08.8" P.A. 142 sep 108.2 mag 13.50,17.50
 
 
Coord 2000
20390-0555
Discov num
GWP2977
Comp
Coord arcsec 2000
20 39 01.06 -05 55 08.8
Date first
1985
Date last
2015
Obs
6
Pa first
143
Pa last
142
P.A. Now (θ)
142°
Sep first
108.3
Sep last
108.2
Sep. Now (ρ)
108.2"
Mag pri
13.50
Mag sec
17.50
delta mag (ΔM)
4
Spectral class
Pri motion ra
-044
Sec motion ra
-038
Pri motion dec
-052
Sec motion dec
-054
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.093 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142.2
Precise sep
108.179
Constellation
Aquarius
Gaia DR2
95716176640
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20390-0555 GWP2977 1998 2 142 108.3 13.50 17.50 V R 203901.06-055508.8
20390-0555 GWP2977 2010 3 142 108.2 13.50 17.50 V R 203901.06-055508.8
20390-0555 GWP2977 2015 4 142 108.2 13.50 17.50 V R 203901.06-055508.8

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