16271+4255 BU  815AB

 
 
16h 27m 07.52s +42 54' 50.2" P.A. 327 sep 24.6 mag 8.81,11.18 Sp G5
 
 
Coord 2000
16271+4255
Discov num
BU  815
Comp
AB
Coord arcsec 2000
16 27 07.52 +42 54 50.2
Date first
1881
Date last
2012
Obs
43
Pa first
348
Pa last
327
P.A. Now (θ)
327°
Sep first
6.4
Sep last
24.6
Sep. Now (ρ)
24.6"
Mag pri
8.81
Mag sec
11.18
delta mag (ΔM)
2.37
Spectral class
G5 (yellow)
Pri motion ra
+013
Sec motion ra
-079
Pri motion dec
-022
Sec motion dec
+089
Notes
N L (See Notes, Linear solution)
rPM=1.211
This double is not physical.
 
 
16271+4255 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 46094 16271+4255 BU 815 AB 1881 2012 43 327 24.6 8.81 11.18 2.37 <===
Show 46094 16271+4255 BU 815 AC 1901 2012 7 161 64.0 8.81 14.06 5.25
Show 46094 16271+4255 BU 815 AD 1825 2007 12 86 435.5 8.81 9.79 0.98
Show 46094 16271+4255 BU 815 BC 1901 2012 7 157 88.2 11.18 14.06 2.88
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327
Precise sep
24.6
Cdsa2 id
BU 815 AB
Constellation
Hercules
SAO
46094
Tycho2
3069-00691-1
Ra deg
16.452088888888888
De deg
42.913944444444446
last precise pa
327
last precise sep
24.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16271+4255 BU 815 AB 2007 38 327 23.9 8.81 11.18 G5 NLD 162707.52+425450.2
16271+4255 BU 815 AB 2008 40 326 24.2 8.81 11.18 G5 NLD 162707.52+425450.2
16271+4255 BU 815 AB 2011 41 327 24.5 8.81 11.18 G5 NLD 162707.52+425450.2
16271+4255 BU 815 AB 2012 43 327 24.6 8.81 11.18 G5 NL 162707.52+425450.2

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