07148-1529 BU 575 AB (HD 56012)
07h 14m 48.26s -15° 28' 33.5" P.A. 315.00 sep 0.4 mag 8.29,7.88 Sp F5V dist. 92.85 pc (302.88 l.y.)
| Coord 2000 |
07148-1529 |
|
Discov num |
BU 575 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 14 48.26 -15 28 33.5 |
|
| Date first |
1878 |
|
Date last |
2021 |
|
Obs |
49 |
|
| Pa first |
199 |
|
Pa last |
314.5 |
|
P.A. Now (θ) |
314.5° |
|
| Sep first |
0.7 |
|
Sep last |
0.397 |
|
Sep. Now (ρ) |
0.397" |
|
| Mag pri |
8.29 |
|
Mag sec |
7.88 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+018 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
-038 |
|
Sec motion dec |
-038 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
07148-1529 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 56012 |
152609 |
07 14 48 -15 28 34 |
BU 575 AB |
2021 |
49 |
315 |
0.4 |
8.29 |
7.88 |
0.41 |
Y |
<=== |
| Show |
|
152609 |
07 14 48 -15 28 34 |
STF 1057 AB,C |
2019 |
20 |
1 |
15.7 |
8.29 |
9.89 |
1.60 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 56012 |
|
Constellation |
Canis Major |
|
SAO |
152609 |
|
HIP |
35035 |
|
| Tycho2 |
5965-02049-1 |
|
HD |
56012 |
|
ADS |
5925 |
|
BD |
BD-15 1720 |
|
| Distance |
92.85 |
|
Distance ly |
302.88 |
|
ORBITAL ELEMENTS
| Period (P) | 402.96y | |
Periastron (T) | 1620.49y | |
Semi-major axis (a) | 0.855a | |
| Eccentricity (e) | 0.393 | |
Inclination (i) | 57.5° | |
Longitude of periastron (ω) | 79.4° | |
| Node (Ω) | 267.2° | |
Notes | n | |
Reference | Hrt2001a | |
| Equinox | 2000 | |
Last observation | 1998 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
284.8 |
0.519 |
| 2001 |
286.1 |
0.508 |
| 2002 |
287.3 |
0.498 |
| 2003 |
288.7 |
0.487 |
| 2004 |
290.1 |
0.476 |
| 2005 |
291.5 |
0.466 |
| 2006 |
293.0 |
0.455 |
| 2007 |
294.6 |
0.444 |
| 2008 |
296.3 |
0.432 |
| 2009 |
298.1 |
0.421 |
| 2010 |
300.0 |
0.410 |
| 2011 |
301.9 |
0.399 |
| 2012 |
304.0 |
0.388 |
| 2013 |
306.2 |
0.378 |
| 2014 |
308.5 |
0.367 |
| 2015 |
311.0 |
0.357 |
| 2016 |
313.6 |
0.347 |
| 2017 |
316.4 |
0.337 |
| 2018 |
319.3 |
0.328 |
| 2019 |
322.4 |
0.320 |
| 2020 |
325.6 |
0.312 |
| 2021 |
329.0 |
0.304 |
| 2022 |
332.6 |
0.298 |
| 2023 |
336.3 |
0.292 |
| 2024 |
340.1 |
0.288 |
| 2025 |
344.1 |
0.284 |
| 2026 |
348.1 |
0.282 |
| 2027 |
352.2 |
0.280 |
| 2028 |
356.3 |
0.280 |
| 2029 |
0.4 |
0.281 |
| 2030 |
4.5 |
0.283 |
|
|
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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