18391+0803 TDT 973

 
 
18h 39m 04.76s +08 03' 11.6" P.A. 301 sep 0.5 mag 10.85,11.01
 
 
Coord 2000
18391+0803
Discov num
TDT 973
Comp
Coord arcsec 2000
18 39 04.76 +08 03 11.6
Date first
1991
Date last
1991
Obs
1
Pa first
301
Pa last
301
P.A. Now (θ)
301°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.85
Mag sec
11.01
delta mag (ΔM)
0.16
Spectral class
Pri motion ra
+025
Sec motion ra
+025
Pri motion dec
+020
Sec motion dec
+020
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.9
Precise sep
0.52
Constellation
Ophiuchus
Tycho2
1025-01821-1
last precise pa
300.9
last precise sep
0.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18391+0803 TDT 973 1991 1 301 0.5 10.85 11.01 183904.76+080311.6

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