20161-0744 HO  589AB

 
 
20h 16m 08.43s -07 43' 55.8" P.A. 329 sep 15.7 mag 7.80,11.80 Sp B9 dist. 392.16 pc (1279.23 l.y.)
 
 
Coord 2000
20161-0744
Discov num
HO  589
Comp
AB
Coord arcsec 2000
20 16 08.43 -07 43 55.8
Date first
1895
Date last
2015
Obs
9
Pa first
325
Pa last
329
P.A. Now (θ)
329°
Sep first
15.3
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
7.80
Mag sec
11.80
delta mag (ΔM)
4
Spectral class
B9 (blue-white)
Pri motion ra
-004
Sec motion ra
-115
Pri motion dec
-021
Sec motion dec
+151
Notes
rPM=1.079
This double is not physical.
 
 
20161-0744 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20161-0744 HO 589 AB 1895 2015 9 329 15.7 7.80 11.80 4.00 <===
Show 20161-0744 HO 589 AC 1892 2015 11 200 55.3 7.80 12.37 4.57
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.9
Precise sep
15.729
Constellation
Aquila
HIP
99897
Tycho2
5740-02007-1
Gaia DR2
33351581696
HD
192646
BD
BD-08 5295
Distance
392.16
Distance ly
1279.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20161-0744 HO 589 AB 1999 5 328 15.7 7.80 11.80 B9 D 201608.43-074355.8
20161-0744 HO 589 AB 2000 6 328 15.5 7.80 11.80 B9 D 201608.43-074355.8
20161-0744 HO 589 AB 2015 7 329 15.7 7.80 11.80 B9 201608.43-074355.8

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