16547-2203 BU  123

 
 
16h 54m 40.04s -22 02' 35.2" P.A. 199 sep 1.5 mag 9.18,9.28 Sp A5V
 
 
Coord 2000
16547-2203
Discov num
BU  123
Comp
Coord arcsec 2000
16 54 40.04 -22 02 35.2
Date first
1873
Date last
1991
Obs
24
Pa first
210
Pa last
199
P.A. Now (θ)
199°
Sep first
2.0
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.18
Mag sec
9.28
delta mag (ΔM)
0.1
Spectral class
A5V (white)
Pri motion ra
-018
Sec motion ra
-018
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
198.6
Precise sep
1.48
Constellation
Ophiuchus
Tycho2
6230-01594-1
HD
152517
last precise pa
198.6
last precise sep
1.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16547-2203 BU 123 1991 24 199 1.5 9.18 9.28 A5V 165440.04-220235.2

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