17574+3540 STF2257AB

 
 
17h 57m 21.02s +35 40' 29.7" P.A. 151 sep 22.5 mag 7.69,11.15 Sp K0 dist. 223.21 pc (728.11 l.y.)
 
 
Coord 2000
17574+3540
Discov num
STF2257
Comp
AB
Coord arcsec 2000
17 57 21.02 +35 40 29.7
Date first
1900
Date last
2013
Obs
15
Pa first
150
Pa last
151
P.A. Now (θ)
151°
Sep first
21.4
Sep last
22.5
Sep. Now (ρ)
22.5"
Mag pri
7.69
Mag sec
11.15
delta mag (ΔM)
3.46
Spectral class
K0 (yellow-orange)
Pri motion ra
+004
Sec motion ra
-003
Pri motion dec
+007
Sec motion dec
-008
Notes
rPM=1.937
This double is not physical.
 
 
17574+3540 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 66507 17574+3540 STF2257 AB 1900 2013 15 151 22.5 7.69 11.15 3.46 <===
Show 66507 17574+3540 WAL 86 AC 1934 2013 9 260 121.6 7.69 11.12 3.43
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
151
Precise sep
22.46
Constellation
Hercules
SAO
66507
HIP
87902
Tycho2
2620-00350-1
HD
163991
BD
BD+35 3112
Distance
223.21
Distance ly
728.11
last precise pa
151
last precise sep
22.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17574+3540 STF2257 AB 2006 13 152 22.7 7.69 11.15 K0 D 175721.02+354029.7
17574+3540 STF2257 AB 2013 15 151 22.5 7.69 11.15 K0 175721.02+354029.7

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