17250+2109 JNN 113

 
 
17h 24m 59.02s +21 08' 36.0" P.A. 24 sep 3.2 mag 12.40,12.70 Sp M2+M2
 
 
Coord 2000
17250+2109
Discov num
JNN 113
Comp
Coord arcsec 2000
17 24 59.02 +21 08 36.0
Date first
1998
Date last
2015
Obs
4
Pa first
22
Pa last
24
P.A. Now (θ)
24°
Sep first
3.4
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
12.40
Mag sec
12.70
delta mag (ΔM)
0.3
Spectral class
M2+M2 (red/red)
Pri motion ra
-130
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
24.4
last precise sep
3.206
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17250+2109 JNN 113 2008 2 24 3.4 12.40 12.70 M2 M2 172459.02+210836.0
17250+2109 JNN 113 2015 4 24 3.2 12.40 12.70 M2+M2 V 172459.02+210836.0

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