12396+6440 STF1667AB

 
 
12h 39m 36.41s +64 40' 27.2" P.A. 40 sep 1.2 mag 9.49,9.99 Sp F5 dist. 273.22 pc (891.24 l.y.)
 
 
Coord 2000
12396+6440
Discov num
STF1667
Comp
AB
Coord arcsec 2000
12 39 36.41 +64 40 27.2
Date first
1832
Date last
2017
Obs
19
Pa first
39
Pa last
40
P.A. Now (θ)
40°
Sep first
1.1
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
9.49
Mag sec
9.99
delta mag (ΔM)
0.5
Spectral class
F5 (yellow-white)
Pri motion ra
+017
Sec motion ra
+017
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
12396+6440 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15860 12396+6440 STF1667 AB 1832 2017 19 40 1.2 9.49 9.99 0.50 <===
Show 15860 12396+6440 STF1667 AC 1906 2003 3 262 46.4 9.49 12.20 2.71
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
40.2
Precise sep
1.244
Constellation
Draco
SAO
15860
HIP
61770
Tycho2
4165-00464-1
BD
BD+65 894
Distance
273.22
Distance ly
891.24
last precise pa
40.2
last precise sep
1.244
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12396+6440 STF1667 AB 2000 17 41 1.2 9.49 9.99 F5 D 123936.41+644027.2
12396+6440 STF1667 AB 2015 18 38 1.1 9.49 9.99 F5 123936.41+644027.2
12396+6440 STF1667 AB 2017 19 40 1.2 9.49 9.99 F5 123936.41+644027.2

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