17283-2058 OCC1098Aa,Ab

 
 
17h 28m 16.19s -20 57' 49.5" sep 0.1 mag 7.40,7.59 Sp F5V dist. 102.35 pc (333.87 l.y.)
 
 
Coord 2000
17283-2058
Discov num
OCC1098
Comp
Aa,Ab
Coord arcsec 2000
17 28 16.19 -20 57 49.5
Date first
2012
Date last
2012
Obs
0
Pa first
-1
Pa last
-1
P.A. Now (θ)
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.40
Mag sec
7.59
delta mag (ΔM)
0.19
Spectral class
F5V (yellow-white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
+038
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
Nature of this double is uncertain.
 
 
17283-2058 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 185428 17 28 16 -20 57 50 OCC 1098 Aa,Ab 2012 0 0.1 7.40 7.59 0.19 <===
Show 185428 17 28 16 -20 57 50 A 2244 AB 2020 55 48 0.1 8.68 8.90 0.22 Y
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
-1
Precise sep
0.083
Constellation
Hydra
SAO
185428
HIP
85491
Tycho2
6247-00238-1
Gaia DR2
4120959930179808896
HD
158122
BD
BD-20 4775
Distance
102.35
Distance ly
333.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17283-2058 OCC1098 Aa,Ab 2012 0 -1 0.1 7.40 7.59 F5V N K 172816.19-205749.5

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