17004+3058 HLM   8

 
 
17h 00m 23.94s +30 56' 42.6" P.A. 347 sep 19.8 mag 11.61,11.45 Sp F5:
 
 
Coord 2000
17004+3058
Discov num
HLM   8
Comp
Coord arcsec 2000
17 00 23.94 +30 56 42.6
Date first
1902
Date last
2014
Obs
13
Pa first
348
Pa last
347
P.A. Now (θ)
347°
Sep first
19.3
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
11.61
Mag sec
11.45
delta mag (ΔM)
0.16
Spectral class
F5: (yellow-white)
Pri motion ra
+000
Sec motion ra
-003
Pri motion dec
+010
Sec motion dec
+010
Notes
rPM=0.287 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
347.4
Precise sep
19.84
Constellation
Hercules
Tycho2
2590-01034-1
last precise pa
347.4
last precise sep
19.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17004+3058 HLM 8 2001 8 348 19.9 11.64 11.66 D 170023.94+305642.6
17004+3058 HLM 8 2002 9 347 19.8 11.64 11.66 D 170023.94+305642.6
17004+3058 HLM 8 2013 10 347 19.6 11.61 11.45 F5: 170023.94+305642.6
17004+3058 HLM 8 2014 11 347 19.8 11.61 11.45 F5: 170023.94+305642.6

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