18253+2116 TDT 850

 
 
18h 25m 19.22s +21 16' 24.7" P.A. 199 sep 0.5 mag 11.25,11.42
 
 
Coord 2000
18253+2116
Discov num
TDT 850
Comp
Coord arcsec 2000
18 25 19.22 +21 16 24.7
Date first
1991
Date last
1991
Obs
1
Pa first
199
Pa last
199
P.A. Now (θ)
199°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
11.25
Mag sec
11.42
delta mag (ΔM)
0.17
Spectral class
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
-024
Sec motion dec
-024
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
198.5
Precise sep
0.48
Constellation
Hercules
Tycho2
1581-00375-1
HD
342184
last precise pa
198.5
last precise sep
0.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18253+2116 TDT 850 1991 1 199 0.5 11.25 11.42 182519.22+211624.7

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