16231-2301 IRE  15AC

 
 
16h 23m 07.83s -23 00' 59.7" P.A. 81 sep 16.1 mag 9.80,16.00 Sp K5
 
 
Coord 2000
16231-2301
Discov num
IRE  15
Comp
AC
Coord arcsec 2000
16 23 07.83 -23 00 59.7
Date first
2005
Date last
2015
Obs
2
Pa first
82
Pa last
81
P.A. Now (θ)
81°
Sep first
15.9
Sep last
16.1
Sep. Now (ρ)
16.1"
Mag pri
9.80
Mag sec
16.00
delta mag (ΔM)
6.2
Spectral class
K5 (yellow-orange)
Pri motion ra
-023
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
16231-2301 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16231-2301 IRE 15 AB 2005 2005 1 74 5.2 9.80 15.40 5.60
Show 16231-2301 IRE 15 AC 2005 2015 2 81 16.1 9.80 16.00 6.20 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
80.5
Precise sep
16.069
Constellation
Scorpius
Gaia DR2
62041951616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16231-2301 IRE 15 AC 2005 1 82 15.9 9.80 16.00 K 162307.83-230059.7
16231-2301 IRE 15 AC 2015 2 81 16.1 9.80 16.00 K5 K 162307.83-230059.7

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