17039+1941 BU  822AB

 
 
17h 03m 52.67s +19 41' 25.8" P.A. 227 sep 1.4 mag 6.58,9.89 Sp K4III dist. 229.89 pc (749.9 l.y.)
 
 
Coord 2000
17039+1941
Discov num
BU  822
Comp
AB
Coord arcsec 2000
17 03 52.67 +19 41 25.8
Date first
1881
Date last
2010
Obs
28
Pa first
228
Pa last
227
P.A. Now (θ)
227°
Sep first
1.5
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
6.58
Mag sec
9.89
delta mag (ΔM)
3.31
Spectral class
K4III (yellow-orange)
Pri motion ra
-022
Sec motion ra
-023
Pri motion dec
+013
Sec motion dec
+009
Notes
N (See Notes)
rPM=0.161 (< 0.3, Physical double)
This double is physical.
 
 
17039+1941 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 102571 17039+1941 BU 822 AB 1881 2010 28 227 1.4 6.58 9.89 3.31 <===
Show 102571 17039+1941 BU 822 AC 1895 2014 8 197 114.0 6.58 10.99 4.41
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227
Precise sep
1.433
Constellation
Hercules
SAO
102571
HIP
83493
Tycho2
1530-00632-1
HD
154301
HR
6343
BD
BD+19 3218
Distance
229.89
Distance ly
749.9
last precise pa
227
last precise sep
1.433
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17039+1941 BU 822 AB 1995 27 224 1.4 6.58 9.89 K4III N D 170352.67+194125.8
17039+1941 BU 822 AB 2010 28 227 1.4 6.58 9.89 K4III N D 170352.67+194125.8

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