03195-2145 JC 1 AF
03h 19m 30.97s -21° 45' 28.3" P.A. 236.00 sep 163.1 mag 3.91,12.33 Sp M3III dist. 93.37 pc (304.57 l.y.)
| Coord 2000 |
03195-2145 |
|
Discov num |
JC 1 |
|
Comp |
AF |
|
Coord arcsec 2000 |
03 19 30.97 -21 45 28.3 |
|
| Date first |
1836 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
241 |
|
Pa last |
235.9 |
|
P.A. Now (θ) |
235.9° |
|
| Sep first |
150.0 |
|
Sep last |
163.13 |
|
Sep. Now (ρ) |
163.13" |
|
| Mag pri |
3.91 |
|
Mag sec |
12.33 |
|
delta mag (ΔM) |
8.42 |
|
Spectral class |
M3III (red) |
|
| Pri motion ra |
+052 |
|
Sec motion ra |
+043 |
|
| Pri motion dec |
+033 |
|
Sec motion dec |
+007 |
|
| Notes |
N
(See Notes) |
|
rPM=0.447
Nature of this double is uncertain.
03195-2145 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Tau4 Eri |
168460 |
03 19 31 -21 45 28 |
JC 1 AB |
2016 |
18 |
290 |
5.8 |
3.91 |
9.50 |
5.59 |
|
|
| Show |
|
168460 |
03 19 31 -21 45 28 |
JC 1 AC |
2013 |
14 |
123 |
38.2 |
3.91 |
11.30 |
7.39 |
|
|
| Show |
|
168460 |
03 19 31 -21 45 28 |
JC 1 AD |
1999 |
2 |
292 |
126.9 |
3.91 |
12.48 |
8.57 |
|
|
| Show |
|
168460 |
03 19 31 -21 45 28 |
JC 1 AE |
1999 |
3 |
273 |
128.1 |
3.91 |
12.58 |
8.67 |
|
|
| Show |
|
168460 |
03 19 31 -21 45 28 |
JC 1 AF |
2015 |
8 |
236 |
163.1 |
3.91 |
12.33 |
8.42 |
|
<=== |
| Show |
|
|
03 19 23 -21 44 40 |
JC 1 Da,Db |
2016 |
3 |
18 |
2.9 |
13.10 |
13.10 |
0.00 |
|
|
Septuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Eridanus |
|
SAO |
168460 |
|
HIP |
15474 |
|
Tycho2 |
5878-01292-1 |
|
| Gaia DR2 |
5099455184967337600 |
|
HD |
20720 |
|
HR |
1003 |
|
GC |
3979 |
|
| ADS |
2472 |
|
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 |
|
Bayer greek |
τ4 Eri |
|
