05473-5104 LGR 1 Aa,Ab (Bet Pic)
05h 47m 17.08s -51° 03' 59.4" P.A. 215.00 sep 0.2 mag 3.50,12.60 Sp A0V+M8 dist. 19.44 pc (63.41 l.y.)
| Coord 2000 |
05473-5104 |
|
Discov num |
LGR 1 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
05 47 17.08 -51 03 59.4 |
|
| Date first |
2003 |
|
Date last |
2015 |
|
Obs |
35 |
|
| Pa first |
34 |
|
Pa last |
214.9 |
|
P.A. Now (θ) |
31.6° |
|
| Sep first |
0.4 |
|
Sep last |
0.233 |
|
Sep. Now (ρ) |
0.546" |
|
| Mag pri |
3.50 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
9.1 |
|
Spectral class |
A0V+M8 (white/red) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
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| Pri motion dec |
+082 |
|
Sec motion dec |
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| 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 |
Bet Pic |
|
Constellation |
Pictor |
|
SAO |
234134 |
|
HIP |
27321 |
|
| Tycho2 |
8099-01392-1 |
|
Gaia DR2 |
4792774797545105664 |
|
HD |
39060 |
|
HR |
2020 |
|
| GC |
7287 |
|
GL |
Gl 219 |
|
CD |
CD-51 1620 |
|
CP |
CP-51 774 |
|
| Bayer |
Beta Pictoris |
|
Bayer name |
Bet Pic |
|
Distance |
19.44 |
|
Distance ly |
63.41 |
|
| Bayer greek |
β Pic |
|
ORBITAL ELEMENTS
| Period (P) | 24.27y | ± 0.32 |
Periastron (T) | 56656d (2013.995y) | ± 64 |
Semi-major axis (a) | 519.36m | ± 5.062 |
| Eccentricity (e) | 0.119 | ± 0.008 |
Inclination (i) | 88.94° | ± 0.02 |
Longitude of periastron (ω) | 22.6° | ± 2.9 |
| Node (Ω) | 211.93° | ± 0.03 |
Notes | n | |
Reference | Bdt2021 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
31.9 |
0.575 |
| 2001 |
32.2 |
0.566 |
| 2002 |
32.4 |
0.530 |
| 2003 |
32.7 |
0.468 |
| 2004 |
33.1 |
0.384 |
| 2005 |
33.8 |
0.281 |
| 2006 |
35.4 |
0.163 |
| 2007 |
47.3 |
0.038 |
| 2008 |
206.0 |
0.093 |
| 2009 |
209.7 |
0.215 |
| 2010 |
210.7 |
0.322 |
| 2011 |
211.3 |
0.405 |
| 2012 |
211.7 |
0.452 |
| 2013 |
212.0 |
0.459 |
| 2014 |
212.4 |
0.422 |
| 2015 |
212.9 |
0.344 |
| 2016 |
213.8 |
0.233 |
| 2017 |
216.8 |
0.102 |
| 2018 |
19.0 |
0.041 |
| 2019 |
29.1 |
0.178 |
| 2020 |
30.4 |
0.303 |
| 2021 |
31.0 |
0.409 |
| 2022 |
31.4 |
0.491 |
| 2023 |
31.6 |
0.546 |
| 2024 |
31.9 |
0.573 |
| 2025 |
32.1 |
0.571 |
| 2026 |
32.3 |
0.542 |
| 2027 |
32.6 |
0.487 |
| 2028 |
33.0 |
0.409 |
| 2029 |
33.6 |
0.310 |
| 2030 |
34.8 |
0.196 |
|
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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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