17158+1900 JOD  11

 
 
17h 15m 50.11s +19 00' 00.0" P.A. 271 sep 1.7 mag 10.59,13.00 Sp M0.5
 
 
Coord 2000
17158+1900
Discov num
JOD  11
Comp
Coord arcsec 2000
17 15 50.11 +19 00 00.0
Date first
2008
Date last
2012
Obs
2
Pa first
267
Pa last
271
P.A. Now (θ)
271°
Sep first
1.8
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
10.59
Mag sec
13.00
delta mag (ΔM)
2.41
Spectral class
M0.5 (red)
Pri motion ra
-130
Sec motion ra
Pri motion dec
+015
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
271.3
Precise sep
1.673
Constellation
Hercules
Tycho2
1544-00929-1
last precise pa
271.3
last precise sep
1.673
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17158+1900 JOD 11 2008 1 267 1.8 10.59 13.00 M0.5 171550.11+190000.0
17158+1900 JOD 11 2012 2 271 1.7 10.59 13.00 M0.5 171550.11+190000.0

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