17234+4209 STF2163

 
 
17h 23m 21.04s +42 09' 03.2" P.A. 73 sep 1.4 mag 10.25,10.49 Sp F8
 
 
Coord 2000
17234+4209
Discov num
STF2163
Comp
Coord arcsec 2000
17 23 21.04 +42 09 03.2
Date first
1830
Date last
2015
Obs
48
Pa first
104
Pa last
73
P.A. Now (θ)
73°
Sep first
1.5
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.25
Mag sec
10.49
delta mag (ΔM)
0.24
Spectral class
F8 (yellow-white)
Pri motion ra
-016
Sec motion ra
-016
Pri motion dec
+033
Sec motion dec
+033
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.2
Precise sep
1.43
Constellation
Hercules
SAO
46683
Tycho2
3094-01641-2
last precise pa
73.2
last precise sep
1.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17234+4209 STF2163 2005 43 79 1.4 10.25 10.49 F8 172321.04+420903.2
17234+4209 STF2163 2009 46 77 1.4 10.25 10.49 F8 172321.04+420903.2
17234+4209 STF2163 2012 47 76 1.3 10.25 10.49 F8 172321.04+420903.2
17234+4209 STF2163 2015 48 73 1.4 10.25 10.49 F8 172321.04+420903.2

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