15387-2947 RIZ  16 (Tau Lib)

 
 
15h 38m 39.38s -29 46' 39.7" mag 3.70,6.60 Sp B2.5V dist. 112.49 pc (366.94 l.y.)
 
 
Coord 2000
15387-2947
Discov num
RIZ  16
Comp
Coord arcsec 2000
15 38 39.38 -29 46 39.7
Date first
2010
Date last
2010
Obs
0
Pa first
-1
Pa last
-1
P.A. Now (θ)
°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
3.70
Mag sec
6.60
delta mag (ΔM)
2.9
Spectral class
B2.5V (blue-white)
Pri motion ra
-022
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
-1
Precise sep
0.012
Name
Tau Lib
Constellation
Libra
SAO
183649
HIP
76600
HD
139365
HR
5812
GC
21019
CD
CD-2911837
CP
CP-29 4233
Bayer
Tau Librae
Bayer name
Tau Lib
Flamsteed
40 Librae
Flamsteed name
40 Lib
Distance
112.49
Distance ly
366.94
last precise pa
-1
last precise sep
0.012
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15387-2947 RIZ 16 2010 0 -1 0.0 3.70 6.60 B2.5V 153839.38-294639.7

If you need more information about this double, apply for a data request form to the WDS.