18449+1606 HEI 173

 
 
18h 44m 50.97s +16 07' 15.0" P.A. 304 sep 3.9 mag 11.00,11.20
 
 
Coord 2000
18449+1606
Discov num
HEI 173
Comp
Coord arcsec 2000
18 44 50.97 +16 07 15.0
Date first
1980
Date last
2010
Obs
4
Pa first
309
Pa last
304
P.A. Now (θ)
304°
Sep first
3.2
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
11.00
Mag sec
11.20
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+022
Sec motion ra
-021
Pri motion dec
-016
Sec motion dec
+016
Notes
N (See Notes)
rPM=1.97
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.3
Precise sep
3.86
Constellation
Hercules
last precise pa
304.3
last precise sep
3.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18449+1606 HEI 173 1998 2 306 3.1 11.00 11.20 N D 184450.97+160715.0
18449+1606 HEI 173 2010 3 304 3.8 11.00 11.20 N D 184450.97+160715.0

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