16541+0826 HEI 857

 
 
16h 54m 03.25s +08 25' 58.4" P.A. 138 sep 0.5 mag 8.54,8.55 Sp F8 dist. 145.35 pc (474.13 l.y.)
 
 
Coord 2000
16541+0826
Discov num
HEI 857
Comp
Coord arcsec 2000
16 54 03.25 +08 25 58.4
Date first
1991
Date last
2016
Obs
15
Pa first
148
Pa last
138
P.A. Now (θ)
138°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.54
Mag sec
8.55
delta mag (ΔM)
0.01
Spectral class
F8 (yellow-white)
Pri motion ra
-035
Sec motion ra
-035
Pri motion dec
-008
Sec motion dec
-008
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.4
Precise sep
0.489
Constellation
Ophiuchus
HIP
82680
Tycho2
0975-00403-1
HD
152615
BD
BD+08 3298
Distance
145.35
Distance ly
474.13
last precise pa
138.4
last precise sep
0.489
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16541+0826 HEI 857 2005 10 143 0.5 8.54 8.55 F8 N D 165403.25+082558.4
16541+0826 HEI 857 2006 11 142 0.6 8.54 8.55 F8 N D 165403.25+082558.4
16541+0826 HEI 857 2010 13 141 0.6 8.54 8.55 F8 N D 165403.25+082558.4
16541+0826 HEI 857 2012 14 140 0.6 8.54 8.55 F8 N 165403.25+082558.4
16541+0826 HEI 857 2016 15 138 0.5 8.54 8.55 F8 N 165403.25+082558.4

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