16009+3911 WAL  70AC

 
 
16h 00m 54.94s +39 10' 39.0" P.A. 255 sep 73.2 mag 6.77,12.52 Sp A0 dist. 136.24 pc (444.41 l.y.)
 
 
Coord 2000
16009+3911
Discov num
WAL  70
Comp
AC
Coord arcsec 2000
16 00 54.94 +39 10 39.0
Date first
1944
Date last
2009
Obs
4
Pa first
260
Pa last
255
P.A. Now (θ)
255°
Sep first
60.0
Sep last
73.2
Sep. Now (ρ)
73.2"
Mag pri
6.77
Mag sec
12.52
delta mag (ΔM)
5.75
Spectral class
A0 (white)
Pri motion ra
+017
Sec motion ra
-007
Pri motion dec
+011
Sec motion dec
+003
Notes
rPM=1.249
This double is not physical.
 
 
16009+3911 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 65025 16009+3911 STT 304 AB 1828 2009 14 173 10.6 6.77 10.64 3.87
Show 65025 16009+3911 WAL 70 AC 1944 2009 4 255 73.2 6.77 12.52 5.75 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
254.6
Precise sep
73.24
Constellation
Corona Borealis
SAO
65025
HIP
78448
Tycho2
3061-01681-1
HD
143806
BD
BD+39 2942
Distance
136.24
Distance ly
444.41
last precise pa
254.6
last precise sep
73.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16009+3911 WAL 70 AC 1944 1 260 60.0 6.77 12.59 A0 160054.94+391039.0
16009+3911 WAL 70 AC 1998 2 254 73.2 6.77 12.59 A0 160054.94+391039.0
16009+3911 WAL 70 AC 2009 3 255 73.2 6.77 12.59 A0 D 160054.94+391039.0

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