20256-5644 HJ 5193AC

 
 
20h 25m 38.85s -56 44' 06.3" P.A. 77 sep 244.4 mag 1.90,9.70 Sp B2IV dist. 54.82 pc (178.82 l.y.)
 
 
Coord 2000
20256-5644
Discov num
HJ 5193
Comp
AC
Coord arcsec 2000
20 25 38.85 -56 44 06.3
Date first
1879
Date last
2010
Obs
3
Pa first
80
Pa last
77
P.A. Now (θ)
77°
Sep first
225.7
Sep last
244.4
Sep. Now (ρ)
244.4"
Mag pri
1.90
Mag sec
9.70
delta mag (ΔM)
7.8
Spectral class
B2IV (blue-white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
-086
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20256-5644 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Peacock 246574 20256-5644 HJ 5193 AB 1879 2008 7 80 249.4 1.90 9.14 7.24
Show 20256-5644 HJ 5193 AC 1879 2010 3 77 244.4 1.90 9.70 7.80 <===
Show 20256-5644 HJ 5193 AD 1904 2010 3 254 62.3 1.90 9.70 7.80
Show 20256-5644 HJ 5193 BC 1835 2010 10 332 16.7 9.14 9.70 0.56
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
76.6
Precise sep
244.38
Constellation
Pavo
SAO
246574
HIP
100751
Gaia DR2
87465816064
HD
193924
HR
7790
GC
28374
CP
CP-57 9674
Bayer
Alpha Pavonis
Bayer name
Alp Pav
Distance
54.82
Distance ly
178.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20256-5644 HJ 5193 AC 1879 1 80 125.7 1.90 9.00 B2IV N 202538.85-564406.3
20256-5644 HJ 5193 AC 2000 3 77 244.5 1.90 9.70 B2IV N 202538.85-564406.3
20256-5644 HJ 5193 AC 2010 3 77 244.4 1.90 9.70 B2IV N 202538.85-564406.3

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