01409+0138 A 2404 (HD 10313)
01h 40m 52.03s +01° 37' 41.8" P.A. 188.00 sep 0.2 mag 9.30,9.30 Sp F8 dist. 187.62 pc (612.02 l.y.)
| Coord 2000 |
01409+0138 |
|
Discov num |
A 2404 |
|
Comp |
|
|
Coord arcsec 2000 |
01 40 52.03 +01 37 41.8 |
|
| Date first |
1911 |
|
Date last |
2009 |
|
Obs |
27 |
|
| Pa first |
1 |
|
Pa last |
187.7 |
|
P.A. Now (θ) |
357.7° |
|
| Sep first |
0.3 |
|
Sep last |
0.216 |
|
Sep. Now (ρ) |
0.25" |
|
| Mag pri |
9.30 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+048 |
|
Sec motion ra |
|
|
| Pri motion dec |
+039 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 10313 |
|
Constellation |
Cetus |
|
SAO |
110051 |
|
HIP |
7842 |
|
| Tycho2 |
0029-00562-1 |
|
HD |
10313 |
|
ADS |
1323 |
|
BD |
BD+00 270 |
|
| Distance |
187.62 |
|
Distance ly |
612.02 |
|
ORBITAL ELEMENTS
| Period (P) | 114.3y | |
Periastron (T) | 1960.9y | |
Semi-major axis (a) | 0.235a | |
| Eccentricity (e) | 0.073 | |
Inclination (i) | 104.7° | |
Longitude of periastron (ω) | 352.4° | |
| Node (Ω) | 179.2° | |
Notes | n | |
Reference | Zir2010b | |
| Equinox | 2000 | |
Last observation | 1996 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
21.1 |
0.141 |
| 2001 |
19.1 |
0.150 |
| 2002 |
17.2 |
0.159 |
| 2003 |
15.6 |
0.168 |
| 2004 |
14.1 |
0.177 |
| 2005 |
12.8 |
0.185 |
| 2006 |
11.5 |
0.193 |
| 2007 |
10.4 |
0.200 |
| 2008 |
9.3 |
0.208 |
| 2009 |
8.4 |
0.214 |
| 2010 |
7.4 |
0.220 |
| 2011 |
6.5 |
0.226 |
| 2012 |
5.7 |
0.231 |
| 2013 |
4.9 |
0.235 |
| 2014 |
4.1 |
0.239 |
| 2015 |
3.3 |
0.243 |
| 2016 |
2.6 |
0.246 |
| 2017 |
1.9 |
0.248 |
| 2018 |
1.2 |
0.250 |
| 2019 |
0.5 |
0.251 |
| 2020 |
359.8 |
0.252 |
| 2021 |
359.1 |
0.252 |
| 2022 |
358.4 |
0.251 |
| 2023 |
357.7 |
0.250 |
| 2024 |
357.0 |
0.249 |
| 2025 |
356.3 |
0.246 |
| 2026 |
355.5 |
0.244 |
| 2027 |
354.8 |
0.240 |
| 2028 |
354.0 |
0.236 |
| 2029 |
353.2 |
0.232 |
| 2030 |
352.4 |
0.227 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
