18031-5139 CVN  57AI

 
 
18h 03m 03.41s -51 38' 56.4" P.A. 139.00 sep 14.6 mag 5.91,17.90 Sp F6V dist. 48.15 pc (157.07 l.y.)
 
 
Coord 2000
18031-5139
Discov num
CVN  57
Comp
AI
Coord arcsec 2000
18 03 03.41 -51 38 56.4
Date first
2004
Date last
2004
Obs
1
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
14.6
Sep last
14.6
Sep. Now (ρ)
14.6"
Mag pri
5.91
Mag sec
17.90
delta mag (ΔM)
11.99
Spectral class
F6V (yellow-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-086
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
Nature of this double is uncertain.
 
 
18031-5139 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 245201 18 03 03 -51 38 56 SKF 1420 AB 2016 7 89 6.5 7.00 12.50 5.50
Show 245201 18 03 03 -51 38 56 CVN 57 AC 2004 1 199 7.4 5.91 19.20 13.29
Show 245201 18 03 03 -51 38 56 CVN 57 AD 2004 1 178 9.7 5.91 19.80 13.89
Show 245201 18 03 03 -51 38 56 CVN 57 AE 2004 1 322 10.1 5.91 20.40 14.49
Show 245201 18 03 03 -51 38 56 CVN 57 AF 2004 1 46 11.2 5.91 20.50 14.59
Show 245201 18 03 03 -51 38 56 CVN 57 AG 2004 1 18 11.2 5.91 19.20 13.29
Show 245201 18 03 03 -51 38 56 CVN 57 AH 2004 1 37 13.0 5.91 20.90 14.99
Show 245201 18 03 03 -51 38 56 CVN 57 AI 2004 1 139 14.6 5.91 17.90 11.99 <===
Show 245201 18 03 03 -51 38 56 CVN 57 AJ 2004 1 139 14.8 5.91 17.50 11.59
Decuple system
10 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.5
Precise sep
14.598
Constellation
Hydra
SAO
245201
HIP
88399
Tycho2
8369-01619-1
Gaia DR2
6702775135228913280
HD
164249
CD
CD-5111312
CP
CP-5110709
Distance
48.15
Distance ly
157.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18031-5139 CVN 57 AI 2004 1 139 14.6 5.91 17.90 F6V+M2Ve K 180303.41-513856.4

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