03398-4022 DUN  15

 
 
03h 39m 45.49s -40 21' 08.3" P.A. 330 sep 7.7 mag 6.93,7.72 Sp A3V dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000
03398-4022
Discov num
DUN  15
Comp
Coord arcsec 2000
03 39 45.49 -40 21 08.3
Date first
1826
Date last
2013
Obs
39
Pa first
335
Pa last
330
P.A. Now (θ)
330°
Sep first
4.0
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
6.93
Mag sec
7.72
delta mag (ΔM)
0.79
Spectral class
A3V (white)
Pri motion ra
+021
Sec motion ra
+021
Pri motion dec
+008
Sec motion dec
+008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Eridanus
SAO
216431
HIP
17099
Tycho2
7572-01505-1
HD
22986
CD
CD-40 1027
CP
CP-40 343
Distance
132.28
Distance ly
431.5
last precise pa
329.6
last precise sep
7.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03398-4022 DUN 15 1999 37 328 7.6 6.93 7.72 A3V D 033945.49-402108.3
03398-4022 DUN 15 2009 36 329 7.8 6.93 7.72 A3V D 033945.49-402108.3
03398-4022 DUN 15 2013 38 330 7.7 6.93 7.72 A3V D 033945.49-402108.3

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