17508+3741 STF2238

 
 
17h 50m 36.39s +37 42' 11.6" P.A. 284 sep 2.3 mag 11.04,11.28
 
 
Coord 2000
17508+3741
Discov num
STF2238
Comp
Coord arcsec 2000
17 50 36.39 +37 42 11.6
Date first
1831
Date last
2008
Obs
21
Pa first
289
Pa last
284
P.A. Now (θ)
284°
Sep first
2.1
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
11.04
Mag sec
11.28
delta mag (ΔM)
0.24
Spectral class
Pri motion ra
+064
Sec motion ra
Pri motion dec
+033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.1
Precise sep
2.31
Constellation
Hercules
Tycho2
3089-00693-1
last precise pa
284.1
last precise sep
2.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17508+3741 STF2238 1998 20 285 2.3 11.04 11.28 175036.39+374211.6
17508+3741 STF2238 2008 22 284 2.3 11.04 11.28 175036.39+374211.6

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