17108-7425 B  2044AB

 
 
17h 10m 45.28s -74 24' 31.7" P.A. 342 sep 1.2 mag 8.94,11.43 Sp G2V dist. 81.43 pc (265.62 l.y.)
 
 
Coord 2000
17108-7425
Discov num
B  2044
Comp
AB
Coord arcsec 2000
17 10 45.28 -74 24 31.7
Date first
1931
Date last
2015
Obs
5
Pa first
312
Pa last
342
P.A. Now (θ)
342°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
8.94
Mag sec
11.43
delta mag (ΔM)
2.49
Spectral class
G2V (yellow)
Pri motion ra
-067
Sec motion ra
-071
Pri motion dec
-158
Sec motion dec
-152
Notes
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
17108-7425 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17108-7425 B 2044 AB 1931 2015 5 342 1.2 8.94 11.43 2.49 <===
Show 17108-7425 LDS 582 AC 1920 2000 3 355 734.3 8.94 12.02 3.08
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
342.3
Precise sep
1.211
Constellation
Apus
HIP
84035
Tycho2
9287-01575-1
Gaia DR2
87059099648
HD
154062
CP
CP-74 1602
Distance
81.43
Distance ly
265.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17108-7425 B 2044 AB 1991 4 330 1.2 8.94 11.43 G2V D 171045.28-742431.7
17108-7425 B 2044 AB 2015 5 342 1.2 8.94 11.43 G2V 171045.28-742431.7

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