17507+3339 COU 635

 
 
17h 50m 44.07s +33 40' 01.4" P.A. 257 sep 2.6 mag 10.52,12.00
 
 
Coord 2000
17507+3339
Discov num
COU 635
Comp
Coord arcsec 2000
17 50 44.07 +33 40 01.4
Date first
1971
Date last
2001
Obs
2
Pa first
258
Pa last
257
P.A. Now (θ)
257°
Sep first
2.4
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.52
Mag sec
12.00
delta mag (ΔM)
1.48
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
+026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.6
Precise sep
2.58
Constellation
Hercules
Tycho2
2611-00150-1
last precise pa
256.6
last precise sep
2.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17507+3339 COU 635 2001 2 257 2.6 10.52 12.00 175044.07+334001.4

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