16091-2009 KSA  90

 
 
16h 09m 08.45s -20 09' 27.8" P.A. 139 sep 2 mag 10.98,11.26 Sp M4
 
 
Coord 2000
16091-2009
Discov num
KSA  90
Comp
Coord arcsec 2000
16 09 08.45 -20 09 27.8
Date first
1999
Date last
2007
Obs
2
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
1.9
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
10.98
Mag sec
11.26
delta mag (ΔM)
0.28
Spectral class
M4 (red)
Pri motion ra
-010
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.3
Precise sep
2.042
Constellation
Scorpius
last precise pa
139.3
last precise sep
2.042
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16091-2009 KSA 90 1999 1 139 1.9 10.98 11.26 M4 DK 160908.45-200927.8
16091-2009 KSA 90 2007 2 139 2.0 10.98 11.26 M4 K 160908.45-200927.8

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