17375-3747 COO 216AB,C

 
 
17h 37m 30.32s -37 46' 54.9" P.A. 194 sep 13.9 mag 7.71,9.04 Sp F2V
 
 
Coord 2000
17375-3747
Discov num
COO 216
Comp
AB,C
Coord arcsec 2000
17 37 30.32 -37 46 54.9
Date first
1912
Date last
2013
Obs
12
Pa first
194
Pa last
194
P.A. Now (θ)
194°
Sep first
13.7
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
7.71
Mag sec
9.04
delta mag (ΔM)
1.33
Spectral class
F2V (yellow-white)
Pri motion ra
+025
Sec motion ra
+018
Pri motion dec
+002
Sec motion dec
+005
Notes
rPM=0.304
Nature of this double is uncertain.
 
 
17375-3747 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 209038 17375-3747 B 915 AB 1927 2011 16 316 0.3 8.60 8.80 0.20 Y
Show 209038 17375-3747 COO 216 AB,C 1912 2013 12 194 13.9 7.71 9.04 1.33 <===
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.5
Precise sep
13.86
Constellation
Scorpius
SAO
209038
Tycho2
7884-02842-1
HD
159632
last precise pa
193.5
last precise sep
13.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17375-3747 COO 216 AB,C 2000 9 194 14.0 7.71 9.04 F2V D 173730.32-374654.9
17375-3747 COO 216 AB,C 2010 10 194 13.7 7.71 9.04 F2V D 173730.32-374654.9
17375-3747 COO 216 AB,C 2013 12 194 13.9 7.71 9.04 F2V D 173730.32-374654.9

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