04153-0739 STF 518 A,BC (Keid)
04h 15m 16.32s -07° 39' 10.3" P.A. 102.00 sep 83.2 mag 4.43,9.31 Sp K0.5V+DA3 dist. 4.98 pc (16.24 l.y.)
| Coord 2000 |
04153-0739 |
|
Discov num |
STF 518 |
|
Comp |
A,BC |
|
Coord arcsec 2000 |
04 15 16.32 -07 39 10.3 |
|
| Date first |
1783 |
|
Date last |
2024 |
|
Obs |
108 |
|
| Pa first |
108 |
|
Pa last |
101.7 |
|
P.A. Now (θ) |
101.7° |
|
| Sep first |
89.2 |
|
Sep last |
83.15 |
|
Sep. Now (ρ) |
83.15" |
|
| Mag pri |
4.43 |
|
Mag sec |
9.31 |
|
delta mag (ΔM) |
4.88 |
|
Spectral class |
K0.5V+DA3 (yellow-orange/white dwarf) |
|
| Pri motion ra |
-224 |
|
Sec motion ra |
-223 |
|
| Pri motion dec |
-342 |
|
Sec motion dec |
-338 |
|
| Notes |
N
V
P
(See Notes, Proper motion indicates physical, 100-year proper motion) |
|
rPM=0.01 (< 0.3, Physical double)
This double is physical.
04153-0739 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Keid |
131063 |
04 15 16 -07 39 10 |
STF 518 A,BC |
2024 |
108 |
102 |
83.2 |
4.43 |
9.31 |
4.88 |
|
<=== |
| Show |
|
131063 |
04 15 16 -07 39 10 |
STF 518 AC |
2024 |
9 |
98 |
77.9 |
4.43 |
11.17 |
6.74 |
|
|
| Show |
|
131063 |
04 15 16 -07 39 10 |
STF 518 AD |
2016 |
18 |
37 |
551.0 |
4.43 |
12.62 |
8.19 |
|
|
| Show |
|
131063 |
04 15 16 -07 39 10 |
STF 518 AE |
1998 |
12 |
25 |
639.0 |
4.43 |
12.99 |
8.56 |
|
|
| Show |
|
|
04 15 22 -07 39 29 |
STF 518 BC |
2024 |
192 |
327 |
7.7 |
9.53 |
11.17 |
1.64 |
Y |
|
| Show |
|
|
04 15 22 -07 39 29 |
STF 518 BD |
2016 |
6 |
29 |
521.0 |
9.53 |
12.62 |
3.09 |
|
|
| Show |
|
|
04 15 22 -07 39 29 |
STF 518 BE |
2016 |
6 |
18 |
625.4 |
9.53 |
12.99 |
3.46 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Keid |
|
Var name |
DY Eri |
|
Constellation |
Eridanus |
|
SAO |
131063 |
|
| HIP |
19849 |
|
Tycho2 |
5312-02325-1 |
|
HD |
26965 |
|
HR |
1325 |
|
| GC |
5138 |
|
ADS |
3093 |
|
BD |
BD-07 780 |
|
Bayer |
Omicron 2 Eridani |
|
| Bayer name |
Omi2 Eri |
|
Flamsteed |
40 Eridani |
|
Flamsteed name |
40 Eri |
|
Distance |
4.98 |
|
| Distance ly |
16.24 |
|
Bayer greek |
ο2 Eri |
|
