04179-3348 I 270 Aa,Ab
04h 17m 53.62s -33° 47' 54.0" P.A. 343.00 sep 0.1 mag 3.56,4.00 Sp B9V dist. 54.56 pc (177.97 l.y.)
| Coord 2000 |
04179-3348 |
|
Discov num |
I 270 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 17 53.62 -33 47 54.0 |
|
| Date first |
1898 |
|
Date last |
1933 |
|
Obs |
6 |
|
| Pa first |
330 |
|
Pa last |
342.9 |
|
P.A. Now (θ) |
342.9° |
|
| Sep first |
0.5 |
|
Sep last |
0.14 |
|
Sep. Now (ρ) |
0.14" |
|
| Mag pri |
3.56 |
|
Mag sec |
4.00 |
|
delta mag (ΔM) |
0.44 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
+070 |
|
Sec motion ra |
|
|
| Pri motion dec |
-034 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
04179-3348 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
194902 |
04 17 54 -33 47 54 |
HMM 2 Aa1,2 |
2014 |
10 |
33 |
0.0 |
4.60 |
4.65 |
0.05 |
Y |
|
| Show |
|
194902 |
04 17 54 -33 47 54 |
I 270 Aa,Ab |
1933 |
6 |
343 |
0.1 |
3.56 |
4.00 |
0.44 |
|
<=== |
| Show |
Ups4 Eri |
194902 |
04 17 54 -33 47 54 |
HUB 3 AB |
2016 |
2 |
163 |
5.5 |
3.87 |
9.90 |
6.03 |
|
|
| Show |
|
194902 |
04 17 54 -33 47 54 |
HJ 3636 AC |
1998 |
3 |
8 |
49.0 |
3.87 |
11.80 |
7.93 |
|
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Eridanus |
|
SAO |
194902 |
|
HIP |
20042 |
|
Tycho2 |
7040-01534-1 |
|
| Gaia DR2 |
4870527586936740480 |
|
HD |
27376 |
|
HR |
1347 |
|
GC |
5201 |
|
| CD |
CD-34 1614 |
|
CP |
CP-34 466 |
|
Bayer |
Upsilon 4 Eridani |
|
Bayer name |
Ups4 Eri |
|
| Flamsteed |
41 Eridani |
|
Flamsteed name |
41 Eri |
|
Distance |
54.56 |
|
Distance ly |
177.97 |
|
| Bayer greek |
υ4 Eri |
|
