15574+4140 STF1991AB

 
 
15h 57m 26.92s +41 39' 42.9" P.A. 196 sep 3 mag 9.45,10.41 Sp F5 dist. 178.89 pc (583.54 l.y.)
 
 
Coord 2000
15574+4140
Discov num
STF1991
Comp
AB
Coord arcsec 2000
15 57 26.92 +41 39 42.9
Date first
1831
Date last
2011
Obs
34
Pa first
197
Pa last
196
P.A. Now (θ)
196°
Sep first
2.5
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
9.45
Mag sec
10.41
delta mag (ΔM)
0.96
Spectral class
F5 (yellow-white)
Pri motion ra
-025
Sec motion ra
-026
Pri motion dec
+004
Sec motion dec
+000
Notes
rPM=0.159 (< 0.3, Physical double)
This double is physical.
 
 
15574+4140 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 45802 15574+4140 STF1991 AB 1831 2011 34 196 3.0 9.45 10.41 0.96 <===
Show 45802 15574+4140 STF1991 AC 1881 2015 13 87 95.0 9.45 8.82 0.63
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
195.6
Precise sep
3.01
Constellation
Hercules
SAO
45802
HIP
78146
Tycho2
3057-01538-1
HD
143208
BD
BD+42 2653
Distance
178.89
Distance ly
583.54
last precise pa
195.6
last precise sep
3.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15574+4140 STF1991 AB 2000 29 197 3.0 9.45 10.41 F5 155726.92+413942.9
15574+4140 STF1991 AB 2009 32 196 3.0 9.45 10.41 F5 155726.92+413942.9
15574+4140 STF1991 AB 2011 33 196 2.9 9.45 10.41 F5 155726.92+413942.9

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