17559+3326 HO   72AD

 
 
17h 55m 50.03s +33 25' 14.3" P.A. 45.00 sep 153.4 mag 10.20,13.20 Sp K7 dist. 25.39 pc (82.82 l.y.)
 
 
Coord 2000
17559+3326
Discov num
HO   72
Comp
AD
Coord arcsec 2000
17 55 50.03 +33 25 14.3
Date first
1949
Date last
2002
Obs
4
Pa first
50
Pa last
45
P.A. Now (θ)
45°
Sep first
145.4
Sep last
153.4
Sep. Now (ρ)
153.4"
Mag pri
10.20
Mag sec
13.20
delta mag (ΔM)
3
Spectral class
K7 (yellow-orange)
Pri motion ra
+012
Sec motion ra
-003
Pri motion dec
-231
Sec motion dec
-007
Notes
rPM=0.971
This double is not physical.
 
 
17559+3326 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 55 50 +33 25 14 HO 72 AB 2015 23 359 33.4 10.20 12.90 2.70
Show 17 55 50 +33 25 14 HO 72 AC 2016 20 37 10.6 10.20 14.40 4.20
Show 17 55 50 +33 25 14 HO 72 AD 2002 4 45 153.4 10.20 13.20 3.00 <===
Show 17 55 50 +33 25 45 HO 72 BC 2003 11 162 23.0 12.90 14.40 1.50
Show 17 55 50 +33 25 45 HO 72 BD 2015 11 56 134.4 12.90 13.20 0.30
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.1
Precise sep
153.37
Constellation
Hercules
HIP
87773
Gaia DR2
4604269610637580928
BD
BD+33 2990
Distance
25.39
Distance ly
82.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17559+3326 HO 72 AD 2002 5 45 153.4 10.16 13.20 K7 D 175550.03+332516.4

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