20205-2912 HJ 5188AC

 
 
20h 20m 27.88s -29 11' 50.0" P.A. 321.00 sep 27.3 mag 6.66,7.55 Sp A4/7V dist. 136.05 pc (443.8 l.y.)
 
 
Coord 2000
20205-2912
Discov num
HJ 5188
Comp
AC
Coord arcsec 2000
20 20 27.88 -29 11 50.0
Date first
1834
Date last
2018
Obs
47
Pa first
323
Pa last
321
P.A. Now (θ)
321°
Sep first
25.0
Sep last
27.3
Sep. Now (ρ)
27.3"
Mag pri
6.66
Mag sec
7.55
delta mag (ΔM)
0.89
Spectral class
A4/7V (white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-001
Sec motion dec
-001
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20205-2912 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 189164 20205-2912 HJ 5188 AB 1834 2015 46 38 3.7 6.66 10.13 3.47
Show 189164 20205-2912 HJ 5188 AC 1834 2018 47 321 27.3 6.66 7.55 0.89 <===
Show 189164 20205-2912 HJ 5188 AD 1913 2015 6 38 120.6 6.66 10.05 3.39
Show 189164 20205-2912 WIE 1 BF 1951 1999 5 263 437.0 10.13 9.85 0.28
Show 189163 20205-2912 HJ 5188 DE 1876 2015 27 186 4.7 10.05 9.98 0.07
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.8
Precise sep
27.266
Constellation
Sagittarius
SAO
189164
HIP
100288
Tycho2
6918-01823-1
Gaia DR2
22396076928
HD
193281
HR
7764
CD
CD-2916981
Distance
136.05
Distance ly
443.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20205-2912 HJ 5188 AC 2006 42 321 27.3 6.66 7.55 N D 202027.88-291150.0
20205-2912 HJ 5188 AC 2010 43 320 27.2 6.66 7.55 N D 202027.88-291150.0
20205-2912 HJ 5188 AC 2015 45 321 27.2 6.66 7.55 A4/7V N 202027.88-291150.0
20205-2912 HJ 5188 AC 2018 47 321 27.3 6.66 7.55 A4/7V N 202027.88-291150.0

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