16493-3401 SEE 288AC

 
 
16h 49m 19.20s -34 01' 01.0" P.A. 157 sep 15.4 mag 7.28,13.50 Sp A2
 
 
Coord 2000
16493-3401
Discov num
SEE 288
Comp
AC
Coord arcsec 2000
16 49 19.20 -34 01 01.0
Date first
1897
Date last
2000
Obs
4
Pa first
163
Pa last
157
P.A. Now (θ)
157°
Sep first
20.0
Sep last
15.4
Sep. Now (ρ)
15.4"
Mag pri
7.28
Mag sec
13.50
delta mag (ΔM)
6.22
Spectral class
A2 (white)
Pri motion ra
-011
Sec motion ra
+010
Pri motion dec
-051
Sec motion dec
-058
Notes
rPM=0.376
Nature of this double is uncertain.
 
 
16493-3401 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 208065 16493-3401 SEE 288 AB 1897 2000 4 123 16.8 7.28 13.00 5.72
Show 208065 16493-3401 SEE 288 AC 1897 2000 4 157 15.4 7.28 13.50 6.22 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
156.6
Precise sep
15.4
Constellation
Scorpius
SAO
208065
Tycho2
7367-00526-1
HD
151511
last precise pa
156.6
last precise sep
15.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16493-3401 SEE 288 AC 1897 1 163 20.0 7.28 13.60 164919.20-340101.0
16493-3401 SEE 288 AC 1999 2 157 15.5 7.28 13.50 D 164919.20-340101.0
16493-3401 SEE 288 AC 2000 4 157 15.4 7.28 13.50 D 164919.20-340101.0

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