17375+1616 HEI 249

 
 
17h 37m 26.08s +16 18' 08.1" P.A. 233 sep 1.6 mag 10.59,11.12
 
 
Coord 2000
17375+1616
Discov num
HEI 249
Comp
Coord arcsec 2000
17 37 26.08 +16 18 08.1
Date first
1983
Date last
2005
Obs
4
Pa first
231
Pa last
233
P.A. Now (θ)
233°
Sep first
1.9
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
10.59
Mag sec
11.12
delta mag (ΔM)
0.53
Spectral class
Pri motion ra
+026
Sec motion ra
+026
Pri motion dec
-074
Sec motion dec
-074
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
232.6
Precise sep
1.63
Constellation
Hercules
Tycho2
1551-01816-1
last precise pa
232.6
last precise sep
1.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17375+1616 HEI 249 2005 4 233 1.6 10.59 11.12 173726.08+161808.1

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