20311-1842 LDS4847

 
 
20h 31m 11.42s -18 41' 22.4" P.A. 23 sep 2.9 mag 15.80,15.90
 
 
Coord 2000
20311-1842
Discov num
LDS4847
Comp
Coord arcsec 2000
20 31 11.42 -18 41 22.4
Date first
1960
Date last
2015
Obs
4
Pa first
300
Pa last
23
P.A. Now (θ)
23°
Sep first
3.0
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
15.80
Mag sec
15.90
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+188
Sec motion ra
Pri motion dec
-054
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.5
Precise sep
2.866
Constellation
Capricornus
Gaia DR2
21475381376
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311-1842 LDS4847 1960 1 300 3.0 16.50 16.70 203160.00-184200.0
20311-1842 LDS4847 2000 3 23 2.9 15.80 15.90 203111.42-184122.4
20311-1842 LDS4847 2015 4 23 2.9 15.80 15.90 203111.42-184122.4

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