20170-1228 HJ 2943AB

 
 
20h 17m 06.35s -12 27' 13.7" P.A. 114 sep 9.9 mag 11.00,12.00
 
 
Coord 2000
20170-1228
Discov num
HJ 2943
Comp
AB
Coord arcsec 2000
20 17 06.35 -12 27 13.7
Date first
1831
Date last
2017
Obs
14
Pa first
87
Pa last
114
P.A. Now (θ)
114°
Sep first
3.0
Sep last
9.9
Sep. Now (ρ)
9.9"
Mag pri
11.00
Mag sec
12.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
-027
Sec motion ra
+038
Pri motion dec
+011
Sec motion dec
-031
Notes
rPM=1.578
This double is not physical.
 
 
20170-1228 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20170-1228 HJ 2943 AB 1831 2017 14 114 9.9 11.00 12.00 1.00 <===
Show 20170-1228 DOO 84 AC 1910 2017 10 11 25.8 11.00 11.50 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
113.6
Precise sep
9.928
Constellation
Capricornus
Tycho2
5748-00639-1
Gaia DR2
55303931520
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20170-1228 HJ 2943 AB 2002 3 112 9.6 11.00 12.00 D 201706.35-122713.7
20170-1228 HJ 2943 AB 2010 10 112 9.1 11.00 12.00 201706.35-122713.7
20170-1228 HJ 2943 AB 2016 10 113 9.9 11.00 12.00 201706.35-122713.7
20170-1228 HJ 2943 AB 2017 11 114 9.9 11.00 12.00 201706.35-122713.7

If you need more information about this double, apply for a data request form to the WDS.