17257+2719 LDS 994AB

 
 
17h 25m 45.42s +27 18' 12.0" P.A. 299 sep 88.9 mag 7.58,9.75 Sp F5 dist. 103.63 pc (338.04 l.y.)
 
 
Coord 2000
17257+2719
Discov num
LDS 994
Comp
AB
Coord arcsec 2000
17 25 45.42 +27 18 12.0
Date first
1899
Date last
2010
Obs
11
Pa first
301
Pa last
299
P.A. Now (θ)
299°
Sep first
80.4
Sep last
88.9
Sep. Now (ρ)
88.9"
Mag pri
7.58
Mag sec
9.75
delta mag (ΔM)
2.17
Spectral class
F5 (yellow-white)
Pri motion ra
+048
Sec motion ra
-028
Pri motion dec
-059
Sec motion dec
-031
Notes
rPM=1.065
This double is not physical.
 
 
17257+2719 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85078 17257+2719 LDS 994 AB 1899 2010 11 299 88.9 7.58 9.75 2.17 <===
Show 85078 17257+2719 FMR 174 AC 1950 2015 6 313 38.3 7.50 15.00 7.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
299
Precise sep
88.88
Constellation
Hercules
SAO
85078
HIP
85294
Tycho2
2082-01290-1
HD
158038
BD
BD+27 2808
Distance
103.63
Distance ly
338.04
last precise pa
299
last precise sep
88.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17257+2719 LDS 994 AB 2010 11 299 88.9 7.58 9.75 F5 172545.43+271812.0

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