03073-1346 CRJ 7
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 |
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Comp |
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Coord arcsec 2000 |
03 07 18.57 -13 45 42.4 |
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| Date first |
2011 |
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Date last |
2017 |
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Obs |
7 |
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| Pa first |
243 |
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Pa last |
239.3 |
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P.A. Now (θ) |
239.3° |
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| Sep first |
1.7 |
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Sep last |
1.633 |
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Sep. Now (ρ) |
1.633" |
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| Mag pri |
5.40 |
|
Mag sec |
17.97 |
|
delta mag (ΔM) |
12.57 |
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Spectral class |
G3V+T5.5 (yellow/brown dwarf) |
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| Pri motion ra |
-008 |
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Sec motion ra |
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| Pri motion dec |
-261 |
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Sec motion dec |
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| Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
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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
| Constellation |
Eridanus |
|
HIP |
14501 |
|
Tycho2 |
5300-00583-1 |
|
Gaia DR2 |
5155981730587168384 |
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| HD |
19467 |
|
GL |
NN 3200 |
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BD |
BD-14 604 |
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Distance |
30.86 |
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| Distance ly |
100.67 |
|
ORBITAL ELEMENTS
| Period (P) | 316y | ± 200 |
Periastron (T) | 85464d (2092.868y) | ± 9999 |
Semi-major axis (a) | 1.47a | ± 0.6 |
| Eccentricity (e) | 0.54 | ± 0.11 |
Inclination (i) | 133° | ± 14 |
Longitude of periastron (ω) | -90° | ± 33 |
| Node (Ω) | 31° | ± 98 |
Notes | n | |
Reference | Bdt2021b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
262.1 |
1.517 |
| 2001 |
261.5 |
1.516 |
| 2002 |
260.9 |
1.514 |
| 2003 |
260.2 |
1.512 |
| 2004 |
259.6 |
1.511 |
| 2005 |
259.0 |
1.509 |
| 2006 |
258.4 |
1.507 |
| 2007 |
257.8 |
1.505 |
| 2008 |
257.1 |
1.502 |
| 2009 |
256.5 |
1.500 |
| 2010 |
255.9 |
1.498 |
| 2011 |
255.3 |
1.495 |
| 2012 |
254.6 |
1.493 |
| 2013 |
254.0 |
1.490 |
| 2014 |
253.3 |
1.487 |
| 2015 |
252.7 |
1.484 |
| 2016 |
252.1 |
1.481 |
| 2017 |
251.4 |
1.478 |
| 2018 |
250.8 |
1.475 |
| 2019 |
250.1 |
1.471 |
| 2020 |
249.5 |
1.468 |
| 2021 |
248.8 |
1.464 |
| 2022 |
248.1 |
1.460 |
| 2023 |
247.5 |
1.456 |
| 2024 |
246.8 |
1.452 |
| 2025 |
246.1 |
1.447 |
| 2026 |
245.5 |
1.443 |
| 2027 |
244.8 |
1.438 |
| 2028 |
244.1 |
1.433 |
| 2029 |
243.4 |
1.428 |
| 2030 |
242.7 |
1.423 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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