15573-2339 IRE   1AD

 
 
15h 57m 19.99s -23 38' 50.0" P.A. 26.00 sep 7.8 mag 8.88,13.20 Sp M0
 
 
Coord 2000
15573-2339
Discov num
IRE   1
Comp
AD
Coord arcsec 2000
15 57 19.99 -23 38 50.0
Date first
2000
Date last
2015
Obs
3
Pa first
24
Pa last
26
P.A. Now (θ)
26°
Sep first
7.0
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
8.88
Mag sec
13.20
delta mag (ΔM)
4.32
Spectral class
M0 (red)
Pri motion ra
-025
Sec motion ra
Pri motion dec
-034
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.
 
 
15573-2339 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 57 20 -23 38 50 KSA 118 AB 2019 3 148 0.1 9.20 9.80 0.60
Show 15 57 20 -23 38 50 IRE 1 AC 2005 1 95 3.5 8.88 16.10 7.22
Show 15 57 20 -23 38 50 IRE 1 AD 2015 3 26 7.8 8.88 13.20 4.32 <===
Show 15 57 20 -23 38 50 IRE 1 AE 2015 3 46 12.8 8.88 16.10 7.22
Show 15 57 20 -23 38 50 IRE 1 AF 2015 2 180 16.6 8.88 16.50 7.62
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
25.8
Precise sep
7.784
Constellation
Hydra
Gaia DR2
6237039975541812992
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15573-2339 IRE 1 AD 2005 2 26 7.5 10.30 16.10 M0 K 155719.99-233850.0
15573-2339 IRE 1 AD 2015 3 26 7.8 8.88 13.20 M0 K 155719.99-233850.0

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