03073-1346 CRJ 7 (53 Ari)
03h 07m 18.57s -13° 45' 42.4" P.A. 239.00 sep 1.6 mag 5.40,17.97 Sp G3V+T5.5 dist. 30.86 pc (100.67 l.y.)
| Coord 2000 |
03073-1346 |
|
Discov num |
CRJ 7 |
|
Comp |
|
|
Coord arcsec 2000 |
03 07 18.57 -13 45 42.4 |
|
| Date first |
2011 |
|
Date last |
2018 |
|
Obs |
13 |
|
| Pa first |
243 |
|
Pa last |
238.8 |
|
P.A. Now (θ) |
238.8° |
|
| Sep first |
1.7 |
|
Sep last |
1.632 |
|
Sep. Now (ρ) |
1.632" |
|
| Mag pri |
5.40 |
|
Mag sec |
17.97 |
|
delta mag (ΔM) |
12.57 |
|
Spectral class |
G3V+T5.5 (yellow/brown dwarf) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-261 |
|
Sec motion dec |
|
|
| Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
53 Ari |
|
Var name |
UW Ari |
|
Constellation |
Eridanus |
|
SAO |
148780 |
|
| HIP |
14501 |
|
Tycho2 |
5300-00583-1 |
|
Gaia DR2 |
5155981730587168384 |
|
HD |
19467 |
|
| HR |
938 |
|
GC |
3728 |
|
BD |
BD+17 493 |
|
Flamsteed |
53 Arietis |
|
| Flamsteed name |
53 Ari |
|
Distance |
30.86 |
|
Distance ly |
100.67 |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Ari vs Eri)
ORBITAL ELEMENTS
| Period (P) | 304y | ± 95 |
Periastron (T) | 1036d9 | ± 999 |
Semi-major axis (a) | 1.406a | ± 0.001 |
| Eccentricity (e) | 0.64 | ± 0.09 |
Inclination (i) | 137.2° | ± 8.1 |
Longitude of periastron (ω) | 64.5° | ± 6.3 |
| Node (Ω) | 134.1° | ± 4.5 |
Notes | n | |
Reference | Mre2020b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
299.1 |
1.487 |
| 2001 |
298.5 |
1.501 |
| 2002 |
297.9 |
1.513 |
| 2003 |
297.3 |
1.526 |
| 2004 |
296.8 |
1.538 |
| 2005 |
296.2 |
1.550 |
| 2006 |
295.7 |
1.562 |
| 2007 |
295.1 |
1.573 |
| 2008 |
294.6 |
1.584 |
| 2009 |
294.1 |
1.595 |
| 2010 |
293.6 |
1.605 |
| 2011 |
293.0 |
1.615 |
| 2012 |
292.5 |
1.625 |
| 2013 |
292.0 |
1.635 |
| 2014 |
291.6 |
1.644 |
| 2015 |
291.1 |
1.654 |
| 2016 |
290.6 |
1.662 |
| 2017 |
290.1 |
1.671 |
| 2018 |
289.6 |
1.680 |
| 2019 |
289.2 |
1.688 |
| 2020 |
288.7 |
1.696 |
| 2021 |
288.3 |
1.704 |
| 2022 |
287.8 |
1.711 |
| 2023 |
287.4 |
1.719 |
| 2024 |
286.9 |
1.726 |
| 2025 |
286.5 |
1.733 |
| 2026 |
286.0 |
1.739 |
| 2027 |
285.6 |
1.746 |
| 2028 |
285.2 |
1.752 |
| 2029 |
284.7 |
1.758 |
| 2030 |
284.3 |
1.764 |
| 2031 |
283.9 |
1.770 |
| 2032 |
283.5 |
1.776 |
| 2033 |
283.1 |
1.781 |
| 2034 |
282.6 |
1.786 |
| 2035 |
282.2 |
1.791 |
| 2036 |
281.8 |
1.796 |
| 2037 |
281.4 |
1.801 |
| 2038 |
281.0 |
1.805 |
| 2039 |
280.6 |
1.810 |
| 2040 |
280.2 |
1.814 |
| 2041 |
279.8 |
1.818 |
| 2042 |
279.4 |
1.822 |
| 2043 |
279.0 |
1.825 |
| 2044 |
278.6 |
1.829 |
| 2045 |
278.2 |
1.832 |
| 2046 |
277.8 |
1.835 |
| 2047 |
277.4 |
1.838 |
| 2048 |
277.0 |
1.841 |
| 2049 |
276.6 |
1.844 |
| 2050 |
276.3 |
1.847 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
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