03195-2145 JC    1AB (Tau4 Eri)

 
 
03H 19M 30.97S -21 45' 28.3" P.A. 291 SEP 5.7 MAG 3.91,9.50 SP M3III DIST. 93.37 PC (304.57 L.Y.)
 
 
Coord 2000
03195-2145
Discov num
JC    1
Comp
AB
Coord arcsec 2000
03 19 30.97 -21 45 28.3
Date first
1857
Date last
2013
Obs
17
Pa first
287
Pa last
291
P.A. Now (θ)
291°
Sep first
5.5
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
3.91
Mag sec
9.50
delta mag (ΔM)
5.59
Spectral class
M3III (red)
Pri motion ra
+051
Sec motion ra
Pri motion dec
+032
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
03195-2145 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Tau4 Eri 168460 03195-2145 JC 1 AB 1857 2013 17 291 5.7 3.91 9.50 5.59 <===
Show 168460 03195-2145 JC 1 AC 1877 2013 14 123 38.2 3.91 11.30 7.39
Show 168460 03195-2145 JC 1 AD 1879 1999 2 292 126.9 3.91 12.48 8.57
Show 168460 03195-2145 JC 1 AE 1879 1999 3 273 128.1 3.91 12.58 8.67
Show 168460 03195-2145 JC 1 AF 1836 2015 8 236 163.1 3.91 12.33 8.42
Show 03195-2145 JC 1 Da,Db 2015 2015 1 16 3.5 13.10 13.10 0.00
Septuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Tau4 Eri
Constellation
Eridanus
SAO
168460
HIP
15474
Tycho2
5878-01292-1
HD
20720
HR
1003
GC
3979
BD
BD-22 584
CD
CD-22 1154
Bayer
Tau 4 Eridani
Bayer name
Tau4 Eri
Flamsteed
16 Eridani
Flamsteed name
16 Eri
Distance
93.37
Distance ly
304.57
last precise pa
290.5
last precise sep
5.71
 
 
WDS 03195-2145 JC 1AB - TAU4 ERI : NOTES
 
 
discov_num notes refcode
JC 1 tau 4 Eri = 16 Eri. A is an irregular variable.
AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
discov author
JC Jacob, W.S.

 
 
WDS 03195-2145 JC 1AB - TAU4 ERI : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03195-2145 JC 1AB - TAU4 ERI : MEASURES
 
 
No records found.

 
 
WDS 03195-2145 JC 1AB - Tau4 Eri : Virtual Eyepiece
 
 


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