17159-1330 HDS2441

 
 
17h 15m 56.29s -13 29' 39.0" P.A. 235 sep 12.6 mag 9.63,11.74 Sp B9.5V dist. 862.07 pc (2812.07 l.y.)
 
 
Coord 2000
17159-1330
Discov num
HDS2441
Comp
Coord arcsec 2000
17 15 56.29 -13 29 39.0
Date first
1907
Date last
2011
Obs
8
Pa first
236
Pa last
235
P.A. Now (θ)
235°
Sep first
12.5
Sep last
12.6
Sep. Now (ρ)
12.6"
Mag pri
9.63
Mag sec
11.74
delta mag (ΔM)
2.11
Spectral class
B9.5V (blue-white)
Pri motion ra
+003
Sec motion ra
+004
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
160409
HIP
84451
Tycho2
5657-00403-1
HD
156057
BD
BD-13 4577
Distance
862.07
Distance ly
2812.07
last precise pa
234.6
last precise sep
12.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17159-1330 HDS2441 1998 5 235 12.6 9.63 11.74 B9.5V D 171556.29-132939.0
17159-1330 HDS2441 2000 6 236 12.6 9.63 11.74 B9.5V D 171556.29-132939.0
17159-1330 HDS2441 2010 7 233 12.5 9.63 11.74 B9.5V 171556.29-132939.0
17159-1330 HDS2441 2011 8 235 12.6 9.63 11.74 B9.5V 171556.29-132939.0

If you need more information about this double, apply for a data request form to the WDS.