17197+1947 TDT 309

 
 
17h 19m 39.37s +19 46' 37.5" P.A. 48 sep 1 mag 12.25,12.33
 
 
Coord 2000
17197+1947
Discov num
TDT 309
Comp
Coord arcsec 2000
17 19 39.37 +19 46 37.5
Date first
1991
Date last
1991
Obs
1
Pa first
48
Pa last
48
P.A. Now (θ)
48°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
12.25
Mag sec
12.33
delta mag (ΔM)
0.08
Spectral class
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.2
Precise sep
1.01
Constellation
Hercules
Tycho2
1544-00730-1
last precise pa
48.2
last precise sep
1.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17197+1947 TDT 309 1991 1 48 1.0 12.25 12.33 171939.37+194637.5

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