20111-5731 HDO 295

 
 
20h 11m 07.43s -57 31' 27.3" P.A. 293 sep 0.3 mag 6.76,7.68 Sp B7V+A3V dist. 160 pc (521.92 l.y.)
 
 
Coord 2000
20111-5731
Discov num
HDO 295
Comp
Coord arcsec 2000
20 11 07.43 -57 31 27.3
Date first
1901
Date last
2017
Obs
27
Pa first
228
Pa last
293
P.A. Now (θ)
293°
Sep first
0.7
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
6.76
Mag sec
7.68
delta mag (ΔM)
0.92
Spectral class
B7V+A3V (blue-white/white)
Pri motion ra
+016
Sec motion ra
+016
Pri motion dec
-035
Sec motion dec
-035
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.6
Precise sep
0.31
Constellation
Pavo
SAO
246470
HIP
99453
Tycho2
8784-01295-1
Gaia DR2
01219089408
HD
191095
HR
7691
CP
CP-57 9622
Distance
160
Distance ly
521.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20111-5731 HDO 295 1991 21 269 0.6 6.76 7.68 B7V+A3V N D 201107.43-573127.3
20111-5731 HDO 295 2008 22 281 0.4 6.76 7.68 B7V+A3V N D 201107.43-573127.3
20111-5731 HDO 295 2009 23 284 0.5 6.76 7.68 B7V A3V N D 201107.43-573127.3
20111-5731 HDO 295 2013 24 287 0.4 6.76 7.68 B7V A3V N 201107.43-573127.3
20111-5731 HDO 295 2016 26 283 0.5 6.76 7.68 B7V+A3V N 201107.43-573127.3
20111-5731 HDO 295 2017 27 293 0.3 6.76 7.68 B7V+A3V N 201107.43-573127.3

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