20140-2808 HJ 5180AC

 
 
20h 13m 57.83s -28 07' 46.7" P.A. 221 sep 10.2 mag 10.81,11.80
 
 
Coord 2000
20140-2808
Discov num
HJ 5180
Comp
AC
Coord arcsec 2000
20 13 57.83 -28 07 46.7
Date first
1834
Date last
2015
Obs
9
Pa first
221
Pa last
221
P.A. Now (θ)
221°
Sep first
4.0
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
10.81
Mag sec
11.80
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
-030
Sec motion ra
-039
Pri motion dec
+005
Sec motion dec
+003
Notes
rPM=0.236 (< 0.3, Physical double)
This double is physical.
 
 
20140-2808 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20140-2808 TDT2109 AB 1991 1991 1 27 1.8 10.90 12.00 1.10
Show 20140-2808 HJ 5180 AC 1834 2015 9 221 10.2 10.81 11.80 0.99 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.5
Precise sep
10.163
Constellation
Sagittarius
SAO
189047
Tycho2
6918-00147-1
Gaia DR2
33529449216
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20140-2808 HJ 5180 AC 1999 7 221 10.2 10.81 11.80 D 201357.83-280746.7
20140-2808 HJ 5180 AC 2015 9 221 10.2 10.81 11.80 201357.83-280746.7

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