17204+2017 LEP  82

 
 
17h 20m 23.18s +20 16' 57.4" P.A. 288 sep 16.8 mag 9.83,13.83 Sp G1.5+M4 dist. 111.61 pc (364.07 l.y.)
 
 
Coord 2000
17204+2017
Discov num
LEP  82
Comp
Coord arcsec 2000
17 20 23.18 +20 16 57.4
Date first
1997
Date last
2016
Obs
5
Pa first
289
Pa last
288
P.A. Now (θ)
288°
Sep first
16.9
Sep last
16.8
Sep. Now (ρ)
16.8"
Mag pri
9.83
Mag sec
13.83
delta mag (ΔM)
4
Spectral class
G1.5+M4 (yellow/red)
Pri motion ra
-056
Sec motion ra
-032
Pri motion dec
-176
Sec motion dec
-161
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.153 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
288.4
Precise sep
16.779
Constellation
Hercules
HIP
84840
Tycho2
1545-00851-1
BD
BD+20 3449
Distance
111.61
Distance ly
364.07
last precise pa
288.4
last precise sep
16.779
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17204+2017 LEP 82 1997 1 289 16.9 9.83 13.83 VD 172023.18+201657.4
17204+2017 LEP 82 2000 2 124 4.5 9.83 13.83 NVD 172023.18+201657.4
17204+2017 LEP 82 2001 3 289 16.9 9.83 13.83 NVD 172023.18+201657.4
17204+2017 LEP 82 2010 4 288 16.4 9.83 13.83 G1.5+M4 NV 172023.18+201657.4
17204+2017 LEP 82 2016 5 288 16.8 9.83 13.83 G1.5+M4 NV 172023.18+201657.4

If you need more information about this double, apply for a data request form to the WDS.