16186+1247 HEI 241

 
 
16h 18m 34.37s +12 47' 10.3" P.A. 59 sep 0.7 mag 9.95,10.43 Sp G0
 
 
Coord 2000
16186+1247
Discov num
HEI 241
Comp
Coord arcsec 2000
16 18 34.37 +12 47 10.3
Date first
1984
Date last
2010
Obs
7
Pa first
74
Pa last
59
P.A. Now (θ)
59°
Sep first
0.4
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.95
Mag sec
10.43
delta mag (ΔM)
0.48
Spectral class
G0 (yellow)
Pri motion ra
-044
Sec motion ra
-044
Pri motion dec
+019
Sec motion dec
+019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
58.5
Precise sep
0.74
Constellation
Hercules
SAO
102074
Tycho2
0954-00131-1
last precise pa
58.5
last precise sep
0.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16186+1247 HEI 241 1994 4 71 0.2 9.95 10.43 G0 161834.37+124710.3
16186+1247 HEI 241 2008 6 61 0.7 9.95 10.43 G0 161834.37+124710.3
16186+1247 HEI 241 2010 7 59 0.7 9.95 10.43 G0 161834.37+124710.3

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