17536-1726 HDO 147AB

 
 
17h 53m 38.51s -17 26' 23.0" P.A. 206 sep 12.2 mag 10.53,10.80
 
 
Coord 2000
17536-1726
Discov num
HDO 147
Comp
AB
Coord arcsec 2000
17 53 38.51 -17 26 23.0
Date first
1909
Date last
2007
Obs
12
Pa first
206
Pa last
206
P.A. Now (θ)
206°
Sep first
13.1
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
10.53
Mag sec
10.80
delta mag (ΔM)
0.27
Spectral class
Pri motion ra
+000
Sec motion ra
-001
Pri motion dec
-002
Sec motion dec
-008
Notes
N (See Notes)
rPM=0.754
Nature of this double is uncertain.
 
 
17536-1726 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17536-1726 HDO 147 AB 1909 2007 12 206 12.2 10.53 10.80 0.27 <===
Show 17536-1726 SKF 85 AC 1999 1999 1 281 2.7 10.50 16.00 5.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
205.6
Precise sep
12.22
Constellation
Sagittarius
Tycho2
6254-01678-1
HD
312312
last precise pa
205.6
last precise sep
12.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17536-1726 HDO 147 AB 2005 8 205 12.3 10.53 10.80 N D 175338.51-172623.0
17536-1726 HDO 147 AB 2007 9 206 12.2 10.53 10.80 N D 175338.51-172623.0

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