17488+2918 TDS 884

 
 
17h 48m 50.77s +29 17' 42.2" P.A. 127 sep 1.2 mag 11.59,11.80
 
 
Coord 2000
17488+2918
Discov num
TDS 884
Comp
Coord arcsec 2000
17 48 50.77 +29 17 42.2
Date first
1991
Date last
1991
Obs
1
Pa first
127
Pa last
127
P.A. Now (θ)
127°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
11.59
Mag sec
11.80
delta mag (ΔM)
0.21
Spectral class
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
+009
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
126.6
Precise sep
1.186
Constellation
Hercules
Tycho2
2089-00328-1
last precise pa
126.6
last precise sep
1.186
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17488+2918 TDS 884 1991 1 127 1.2 11.59 11.80 174850.77+291742.2

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