17139+2255 TDT 274

 
 
17h 13m 55.50s +22 54' 33.9" P.A. 234 sep 0.6 mag 11.04,11.20
 
 
Coord 2000
17139+2255
Discov num
TDT 274
Comp
Coord arcsec 2000
17 13 55.50 +22 54 33.9
Date first
1991
Date last
1991
Obs
1
Pa first
234
Pa last
234
P.A. Now (θ)
234°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
11.04
Mag sec
11.20
delta mag (ΔM)
0.16
Spectral class
Pri motion ra
+017
Sec motion ra
+017
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233.7
Precise sep
0.58
Constellation
Hercules
SAO
84939
Tycho2
2061-01816-1
last precise pa
233.7
last precise sep
0.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17139+2255 TDT 274 1991 1 234 0.6 11.04 11.20 171355.50+225433.9

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