18318+2321 TDT 928

 
 
18h 31m 47.81s +23 20' 53.5" P.A. 167 sep 0.6 mag 11.85,12.07
 
 
Coord 2000
18318+2321
Discov num
TDT 928
Comp
Coord arcsec 2000
18 31 47.81 +23 20 53.5
Date first
1991
Date last
1991
Obs
1
Pa first
167
Pa last
167
P.A. Now (θ)
167°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.85
Mag sec
12.07
delta mag (ΔM)
0.22
Spectral class
Pri motion ra
+008
Sec motion ra
+008
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.5
Precise sep
0.58
Constellation
Hercules
Tycho2
2106-00675-1
HD
342462
last precise pa
166.5
last precise sep
0.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18318+2321 TDT 928 1991 1 167 0.6 11.85 12.07 183147.81+232053.5

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