20172-2516 HJ 2942

 
 
20h 17m 11.53s -25 15' 35.5" P.A. 223 sep 11.6 mag 10.62,10.38
 
 
Coord 2000
20172-2516
Discov num
HJ 2942
Comp
Coord arcsec 2000
20 17 11.53 -25 15 35.5
Date first
1830
Date last
2015
Obs
10
Pa first
212
Pa last
223
P.A. Now (θ)
223°
Sep first
12.5
Sep last
11.6
Sep. Now (ρ)
11.6"
Mag pri
10.62
Mag sec
10.38
delta mag (ΔM)
0.24
Spectral class
Pri motion ra
+010
Sec motion ra
+003
Pri motion dec
-023
Sec motion dec
-003
Notes
rPM=0.845
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
223.1
Precise sep
11.565
Constellation
Capricornus
Gaia DR2
15200212352
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20172-2516 HJ 2942 1998 7 222 11.8 10.40 10.90 D 201711.53-251535.5
20172-2516 HJ 2942 1999 8 222 11.8 10.40 10.90 D 201711.53-251535.5
20172-2516 HJ 2942 2010 9 222 11.3 10.62 10.38 201711.53-251535.5
20172-2516 HJ 2942 2015 10 223 11.6 10.62 10.38 201711.53-251535.5

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