17454+4540 COU1597

 
 
17H 45M 23.81S +45 39' 16.9" P.A. 300 SEP 1 MAG 11.40,12.40 SP M7
 
 
Coord 2000
17454+4540
Discov num
COU1597
Comp
Coord arcsec 2000
17 45 23.81 +45 39 16.9
Date first
1977
Date last
2010
Obs
2
Pa first
296
Pa last
300
P.A. Now (θ)
300°
Sep first
0.8
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.40
Mag sec
12.40
delta mag (ΔM)
1
Spectral class
M7 (red)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
3510-01312-1
last precise pa
300.1
last precise sep
0.99