17573+1607 HEI 256

 
 
17h 57m 20.38s +16 07' 16.6" P.A. 349 sep 1.7 mag 11.50,13.30
 
 
Coord 2000
17573+1607
Discov num
HEI 256
Comp
Coord arcsec 2000
17 57 20.38 +16 07 16.6
Date first
1982
Date last
1995
Obs
2
Pa first
348
Pa last
349
P.A. Now (θ)
349°
Sep first
1.6
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
11.50
Mag sec
13.30
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348.8
Precise sep
1.71
Constellation
Hercules
Tycho2
1553-01397-1
last precise pa
348.8
last precise sep
1.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17573+1607 HEI 256 1995 2 349 1.7 11.50 13.30 175720.38+160716.6

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