05330-2415 DAW 85 (HD 36745)
05h 32m 59.81s -24° 15' 18.5" P.A. 295.00 sep 0.5 mag 9.66,10.64 Sp K2V dist. 55.25 pc (180.23 l.y.)
| Coord 2000 |
05330-2415 |
|
Discov num |
DAW 85 |
|
Comp |
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Coord arcsec 2000 |
05 32 59.81 -24 15 18.5 |
|
| Date first |
1920 |
|
Date last |
2020 |
|
Obs |
42 |
|
| Pa first |
258 |
|
Pa last |
295.2 |
|
P.A. Now (θ) |
291.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.488 |
|
Sep. Now (ρ) |
0.482" |
|
| Mag pri |
9.66 |
|
Mag sec |
10.64 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
K2V (yellow-orange) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
-047 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 36745 |
|
Constellation |
Lepus |
|
SAO |
170540 |
|
HIP |
26003 |
|
| Tycho2 |
6476-00727-1 |
|
Gaia DR2 |
2957611168329410176 |
|
HD |
36745 |
|
ADS |
4153 |
|
| CD |
CD-24 3191 |
|
CP |
CP-24 997 |
|
Distance |
55.25 |
|
Distance ly |
180.23 |
|
ORBITAL ELEMENTS
| Period (P) | 65.52y | |
Periastron (T) | 1999.56y | |
Semi-major axis (a) | 0.286a | |
| Eccentricity (e) | 0.788 | |
Inclination (i) | 168.1° | |
Longitude of periastron (ω) | 24° | |
| Node (Ω) | 125.2° | |
Notes | n | |
Reference | Hrt2011d | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
70.1 |
0.064 |
| 2001 |
22.3 |
0.092 |
| 2002 |
359.1 |
0.127 |
| 2003 |
345.8 |
0.160 |
| 2004 |
337.0 |
0.191 |
| 2005 |
330.6 |
0.220 |
| 2006 |
325.5 |
0.246 |
| 2007 |
321.5 |
0.269 |
| 2008 |
318.0 |
0.292 |
| 2009 |
315.0 |
0.312 |
| 2010 |
312.4 |
0.331 |
| 2011 |
310.1 |
0.349 |
| 2012 |
308.0 |
0.365 |
| 2013 |
306.0 |
0.381 |
| 2014 |
304.2 |
0.395 |
| 2015 |
302.5 |
0.408 |
| 2016 |
301.0 |
0.420 |
| 2017 |
299.5 |
0.432 |
| 2018 |
298.0 |
0.442 |
| 2019 |
296.7 |
0.452 |
| 2020 |
295.4 |
0.460 |
| 2021 |
294.1 |
0.468 |
| 2022 |
292.9 |
0.476 |
| 2023 |
291.7 |
0.482 |
| 2024 |
290.6 |
0.488 |
| 2025 |
289.5 |
0.493 |
| 2026 |
288.4 |
0.497 |
| 2027 |
287.3 |
0.501 |
| 2028 |
286.2 |
0.504 |
| 2029 |
285.1 |
0.506 |
| 2030 |
284.1 |
0.508 |
|
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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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