16540+2906 A   350

 
 
16h 53m 59.79s +29 06' 23.5" P.A. 150 sep 0.6 mag 9.47,9.61 Sp F8
 
 
Coord 2000
16540+2906
Discov num
A   350
Comp
Coord arcsec 2000
16 53 59.79 +29 06 23.5
Date first
1902
Date last
2015
Obs
32
Pa first
140
Pa last
150
P.A. Now (θ)
150°
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.47
Mag sec
9.61
delta mag (ΔM)
0.14
Spectral class
F8 (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-021
Sec motion dec
-021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150
Precise sep
0.64
Constellation
Hercules
SAO
84678
Tycho2
2071-01115-1
HD
152747
last precise pa
150
last precise sep
0.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16540+2906 A 350 2005 26 146 0.6 9.47 9.61 F8 165359.79+290623.5
16540+2906 A 350 2007 28 149 0.6 9.47 9.61 F8 165359.79+290623.5
16540+2906 A 350 2010 30 147 0.6 9.47 9.61 F8 165359.79+290623.5
16540+2906 A 350 2015 32 150 0.6 9.47 9.61 F8 165359.79+290623.5

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