17145+1956 HU  488

 
 
17h 14m 29.61s +19 55' 52.3" P.A. 105 sep 2.9 mag 9.71,11.16 Sp F2
 
 
Coord 2000
17145+1956
Discov num
HU  488
Comp
Coord arcsec 2000
17 14 29.61 +19 55 52.3
Date first
1902
Date last
2015
Obs
22
Pa first
108
Pa last
105
P.A. Now (θ)
105°
Sep first
3.1
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.71
Mag sec
11.16
delta mag (ΔM)
1.45
Spectral class
F2 (yellow-white)
Pri motion ra
-024
Sec motion ra
Pri motion dec
-035
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.4
Precise sep
2.907
Constellation
Hercules
Tycho2
1544-01846-1
Gaia DR2
42353111680
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17145+1956 HU 488 2001 20 106 2.9 9.71 11.16 F2 171429.61+195552.3
17145+1956 HU 488 2015 22 105 2.9 9.71 11.16 F2 171429.61+195552.3

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