17106+3055 TDT 248

 
 
17h 10m 38.85s +30 55' 22.2" P.A. 257 sep 1.9 mag 12.03,12.55
 
 
Coord 2000
17106+3055
Discov num
TDT 248
Comp
Coord arcsec 2000
17 10 38.85 +30 55 22.2
Date first
1991
Date last
1991
Obs
1
Pa first
257
Pa last
257
P.A. Now (θ)
257°
Sep first
1.9
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
12.03
Mag sec
12.55
delta mag (ΔM)
0.52
Spectral class
Pri motion ra
-010
Sec motion ra
-010
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.8
Precise sep
1.9
Constellation
Hercules
Tycho2
2591-01724-1
last precise pa
256.8
last precise sep
1.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17106+3055 TDT 248 1991 1 257 1.9 12.03 12.55 171038.85+305522.2

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