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
 
 
Precise pa
24.4
Precise sep
3.206
Cdsa2 id
JNN 113
Constellation
Hercules
Ra deg
17.416394444444443
De deg
21.143333333333334
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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