18157+2400 POU3370CD

 
 
18h 15m 44.47s +23 59' 16.4" P.A. 140 sep 7.8 mag 13.02,14.08 dist. 303.03 pc (988.48 l.y.)
 
 
Coord 2000
18157+2400
Discov num
POU3370
Comp
CD
Coord arcsec 2000
18 15 44.47 +23 59 16.4
Date first
1904
Date last
2002
Obs
6
Pa first
132
Pa last
140
P.A. Now (θ)
140°
Sep first
6.8
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
13.02
Mag sec
14.08
delta mag (ΔM)
1.06
Spectral class
Pri motion ra
-052
Sec motion ra
+013
Pri motion dec
+068
Sec motion dec
-032
Notes
rPM=1.393
This double is not physical.
 
 
18157+2400 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85869 18157+2400 STF2301 AB 1830 2013 32 127 21.4 8.84 9.78 0.94
Show 85869 18157+2400 FOX 222 AC 1922 2002 4 214 35.2 8.84 13.02 4.18
Show 85869 18157+2400 POU3370 CD 1904 2002 6 140 7.8 13.02 14.08 1.06 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.5
Precise sep
7.758
Spectr
K0
Constellation
Hercules
SAO
85869
HIP
89491
Tycho2
2092-00829-1
HD
167783
BD
BD+23 3287
Distance
303.03
Distance ly
988.48
last precise pa
139.5
last precise sep
7.758
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18157+2400 POU3370 CD 1998 4 139 7.7 13.02 14.08 D 181544.47+235916.4
18157+2400 POU3370 CD 2002 6 140 7.8 13.02 14.08 D 181544.47+235916.4

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