16197+4619 BU 1198 (Tau Her)

 
 
16h 19m 44.45s +46 18' 47.8" P.A. 148 sep 6.7 mag 3.89,14.60 Sp B5IV dist. 94.25 pc (307.44 l.y.)
 
 
Coord 2000
16197+4619
Discov num
BU 1198
Comp
Coord arcsec 2000
16 19 44.45 +46 18 47.8
Date first
1890
Date last
1958
Obs
7
Pa first
145
Pa last
148
P.A. Now (θ)
148°
Sep first
6.6
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
3.89
Mag sec
14.60
delta mag (ΔM)
10.71
Spectral class
B5IV (blue-white)
Pri motion ra
-011
Sec motion ra
Pri motion dec
+040
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
148
Precise sep
6.7
Name
Tau Her
Constellation
Hercules
SAO
46028
HIP
79992
Tycho2
3492-01909-1
HD
147394
HR
6092
GC
21987
BD
BD+46 2169
Bayer
Tau Herculis
Bayer name
Tau Her
Flamsteed
22 Herculis
Flamsteed name
22 Her
Distance
94.25
Distance ly
307.44
last precise pa
148
last precise sep
6.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16197+4619 BU 1198 1958 7 148 6.7 3.89 14.60 B5IV N 161944.45+461847.8

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