18389+2324 TDT 972

 
 
18h 38m 56.60s +23 24' 29.8" P.A. 49 sep 0.9 mag 10.70,11.19
 
 
Coord 2000
18389+2324
Discov num
TDT 972
Comp
Coord arcsec 2000
18 38 56.60 +23 24 29.8
Date first
1991
Date last
2010
Obs
4
Pa first
49
Pa last
49
P.A. Now (θ)
49°
Sep first
0.8
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.70
Mag sec
11.19
delta mag (ΔM)
0.49
Spectral class
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.7
Precise sep
0.85
Constellation
Hercules
Tycho2
2107-01715-1
HD
342690
last precise pa
48.7
last precise sep
0.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18389+2324 TDT 972 1991 1 49 0.8 10.70 11.19 183856.60+232429.8
18389+2324 TDT 972 2010 2 46 0.9 10.70 11.19 183856.60+232429.8

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