17575+2759 HO  423

 
 
17h 57m 34.79s +27 59' 31.5" P.A. 292 sep 4.7 mag 8.95,11.47 Sp F6V dist. 215.52 pc (703.03 l.y.)
 
 
Coord 2000
17575+2759
Discov num
HO  423
Comp
Coord arcsec 2000
17 57 34.79 +27 59 31.5
Date first
1890
Date last
2015
Obs
18
Pa first
292
Pa last
292
P.A. Now (θ)
292°
Sep first
4.5
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
8.95
Mag sec
11.47
delta mag (ΔM)
2.52
Spectral class
F6V (yellow-white)
Pri motion ra
+012
Sec motion ra
-050
Pri motion dec
-047
Sec motion dec
-018
Notes
rPM=1.288
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
292.1
Precise sep
4.73
Constellation
Hercules
SAO
85581
HIP
87920
Tycho2
2098-01024-1
HD
163949
BD
BD+28 2872
Distance
215.52
Distance ly
703.03
last precise pa
292.1
last precise sep
4.73
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17575+2759 HO 423 2003 15 295 4.7 8.95 11.47 F6V D 175734.79+275931.5
17575+2759 HO 423 2013 17 293 4.5 8.95 11.47 F6V 175734.79+275931.5
17575+2759 HO 423 2015 18 292 4.7 8.95 11.47 F6V 175734.79+275931.5

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