20172-1742 FEN  37

 
 
20h 17m 12.04s -17 41' 39.6" P.A. 64 sep 4.7 mag 12.70,12.90
 
 
Coord 2000
20172-1742
Discov num
FEN  37
Comp
Coord arcsec 2000
20 17 12.04 -17 41 39.6
Date first
1916
Date last
2015
Obs
6
Pa first
60
Pa last
64
P.A. Now (θ)
64°
Sep first
5.0
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
12.70
Mag sec
12.90
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-077
Sec motion ra
+037
Pri motion dec
-044
Sec motion dec
+013
Notes
rPM=1.437
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.5
Precise sep
4.673
Constellation
Capricornus
Gaia DR2
69115326464
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172-1742 FEN 37 1998 3 64 4.7 12.70 12.90 D 201712.04-174139.6
20172-1742 FEN 37 1999 4 64 4.7 12.70 12.90 D 201712.04-174139.6
20172-1742 FEN 37 2010 5 64 4.7 12.70 12.90 201712.04-174139.6
20172-1742 FEN 37 2015 6 64 4.7 12.70 12.90 201712.04-174139.6

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