16522-2655 JNN 231AD

 
 
16h 52m 13.31s -26 55' 10.8" P.A. 39.00 sep 4.7 mag 7.37,16.90 Sp F0 dist. 127.39 pc (415.55 l.y.)
 
 
Coord 2000
16522-2655
Discov num
JNN 231
Comp
AD
Coord arcsec 2000
16 52 13.31 -26 55 10.8
Date first
2011
Date last
2012
Obs
2
Pa first
39
Pa last
39
P.A. Now (θ)
39°
Sep first
4.7
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
7.37
Mag sec
16.90
delta mag (ΔM)
9.53
Spectral class
F0 (yellow-white)
Pri motion ra
-013
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
U W K (Proper motion indicates non-physical, , K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
This double is not physical.
 
 
16522-2655 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 184732 16 52 13 -26 55 11 JNN 231 AB 2012 2 274 3.2 7.37 17.90 10.53
Show 184732 16 52 13 -26 55 11 JNN 231 AC 2012 2 51 3.2 7.37 17.90 10.53
Show 184732 16 52 13 -26 55 11 JNN 231 AD 2012 2 39 4.7 7.37 16.90 9.53 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
38.7
Precise sep
4.726
Constellation
Hydra
SAO
184732
HIP
82534
Tycho2
6817-02277-1
Gaia DR2
6034282128641423616
HD
152057
CD
CD-2611626
CP
CP-26 5747
Distance
127.39
Distance ly
415.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16522-2655 JNN 231 AD 2012 2 39 4.7 7.37 16.90 F0 U K 165213.31-265510.8

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