17252+3711 GUI  17

 
 
17h 25m 09.81s +37 10' 41.7" P.A. 345 sep 76.4 mag 8.19,12.10 Sp K2
 
 
Coord 2000
17252+3711
Discov num
GUI  17
Comp
Coord arcsec 2000
17 25 09.81 +37 10 41.7
Date first
1917
Date last
2010
Obs
6
Pa first
343
Pa last
345
P.A. Now (θ)
345°
Sep first
69.2
Sep last
76.4
Sep. Now (ρ)
76.4"
Mag pri
8.19
Mag sec
12.10
delta mag (ΔM)
3.91
Spectral class
K2 (yellow-orange)
Pri motion ra
-007
Sec motion ra
Pri motion dec
+021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
345.2
Precise sep
76.36
Constellation
Hercules
SAO
66028
Tycho2
2617-01369-1
HD
158015
last precise pa
345.2
last precise sep
76.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17252+3711 GUI 17 2002 4 345 76.8 8.10 12.10 K2 172509.81+371041.7
17252+3711 GUI 17 2010 6 345 76.3 8.19 12.10 K2 172509.81+371041.7

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