17091+2141 DAM 907

 
 
17h 09m 07.98s +21 40' 46.5" P.A. 328 sep 3.9 mag 11.70,15.80
 
 
Coord 2000
17091+2141
Discov num
DAM 907
Comp
Coord arcsec 2000
17 09 07.98 +21 40 46.5
Date first
2003
Date last
2003
Obs
1
Pa first
328
Pa last
328
P.A. Now (θ)
328°
Sep first
3.9
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.70
Mag sec
15.80
delta mag (ΔM)
4.1
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327.5
Precise sep
3.94
Constellation
Hercules
Tycho2
1547-00356-1
last precise pa
327.5
last precise sep
3.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17091+2141 DAM 907 2003 1 328 3.9 11.70 15.80 170907.98+214046.5

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