16384-0436 HDS2357

 
 
16h 38m 26.94s -04 35' 30.2" P.A. 325 sep 0.4 mag 8.88,11.59 Sp K2 dist. 194.55 pc (634.62 l.y.)
 
 
Coord 2000
16384-0436
Discov num
HDS2357
Comp
Coord arcsec 2000
16 38 26.94 -04 35 30.2
Date first
1991
Date last
2009
Obs
2
Pa first
332
Pa last
325
P.A. Now (θ)
325°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.88
Mag sec
11.59
delta mag (ΔM)
2.71
Spectral class
K2 (yellow-orange)
Pri motion ra
+013
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
324.7
Precise sep
0.359
Constellation
Ophiuchus
HIP
81473
Tycho2
5057-01093-1
HD
150016
BD
BD-04 4139
Distance
194.55
Distance ly
634.62
last precise pa
324.7
last precise sep
0.359
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16384-0436 HDS2357 1991 1 332 0.3 8.88 11.59 K2 163826.94-043530.2
16384-0436 HDS2357 2009 2 325 0.4 8.88 11.59 K2 D 163826.94-043530.2

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