17592+6409 STF2273BC

 
 
17h 59m 10.55s +64 08' 38.0" P.A. 271 sep 22.5 mag 7.63,12.70 Sp F2 dist. 44.11 pc (143.89 l.y.)
 
 
Coord 2000
17592+6409
Discov num
STF2273
Comp
BC
Coord arcsec 2000
17 59 10.55 +64 08 38.0
Date first
1903
Date last
2004
Obs
6
Pa first
266
Pa last
271
P.A. Now (θ)
271°
Sep first
24.1
Sep last
22.5
Sep. Now (ρ)
22.5"
Mag pri
7.63
Mag sec
12.70
delta mag (ΔM)
5.07
Spectral class
F2 (yellow-white)
Pri motion ra
+008
Sec motion ra
+024
Pri motion dec
+031
Sec motion dec
+042
Notes
rPM=0.401
Nature of this double is uncertain.
 
 
17592+6409 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17717 17592+6409 STF2273 AB 1823 2015 55 283 21.4 7.31 7.63 0.32
Show 17717 17592+6409 STF2273 AC 1988 2010 4 276 43.0 7.31 12.70 5.39
Show 17717 17592+6409 STF2273 AD 1921 2004 3 337 15.0 7.31 14.70 7.39
Show 17717 17592+6409 STF2273 BC 1903 2004 6 271 22.5 7.63 12.70 5.07 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270.8
Precise sep
22.533
Constellation
Draco
SAO
17717
HIP
88062
Tycho2
4208-01816-1
HD
164983
Distance
44.11
Distance ly
143.89
last precise pa
270.8
last precise sep
22.533
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17592+6409 STF2273 BC 1999 5 270 22.5 7.63 12.70 D 175910.55+640838.0
17592+6409 STF2273 BC 2004 6 271 22.5 7.63 12.70 D 175910.55+640838.0

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