17454+3318 TDT 489

 
 
17h 45m 25.68s +33 17' 56.6" P.A. 274 sep 0.6 mag 11.87,12.20
 
 
Coord 2000
17454+3318
Discov num
TDT 489
Comp
Coord arcsec 2000
17 45 25.68 +33 17 56.6
Date first
1991
Date last
1991
Obs
1
Pa first
274
Pa last
274
P.A. Now (θ)
274°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.87
Mag sec
12.20
delta mag (ΔM)
0.33
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-022
Sec motion dec
-022
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.8
Precise sep
0.62
Constellation
Hercules
Tycho2
2611-00795-1
last precise pa
273.8
last precise sep
0.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17454+3318 TDT 489 1991 1 274 0.6 11.87 12.20 174525.68+331756.6

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