06490-1509 AC 4 (HD 49662)
06h 48m 57.74s -15° 08' 41.0" P.A. 348.00 sep 0.4 mag 5.57,7.23 Sp B6V dist. 162.07 pc (528.67 l.y.)
| Coord 2000 |
06490-1509 |
|
Discov num |
AC 4 |
|
Comp |
|
|
Coord arcsec 2000 |
06 48 57.74 -15 08 41.0 |
|
| Date first |
1858 |
|
Date last |
2015 |
|
Obs |
44 |
|
| Pa first |
287 |
|
Pa last |
348.2 |
|
P.A. Now (θ) |
348.2° |
|
| Sep first |
1.0 |
|
Sep last |
0.355 |
|
Sep. Now (ρ) |
0.355" |
|
| Mag pri |
5.57 |
|
Mag sec |
7.23 |
|
delta mag (ΔM) |
1.66 |
|
Spectral class |
B6V (blue-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 49662 |
|
Constellation |
Canis Major |
|
SAO |
151962 |
|
HIP |
32677 |
|
| Tycho2 |
5950-02337-1 |
|
Gaia DR2 |
2948822157713652096 |
|
HD |
49662 |
|
HR |
2522 |
|
| GC |
8922 |
|
ADS |
5487 |
|
BD |
BD-14 1599 |
|
Distance |
162.07 |
|
| Distance ly |
528.67 |
|
ORBITAL ELEMENTS
| Period (P) | 581.32y | |
Periastron (T) | 2031.7y | |
Semi-major axis (a) | 0.957a | |
| Eccentricity (e) | 0.761 | |
Inclination (i) | 52.6° | |
Longitude of periastron (ω) | 280.6° | |
| Node (Ω) | 157.5° | |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
331.7 |
0.541 |
| 2001 |
332.5 |
0.531 |
| 2002 |
333.3 |
0.520 |
| 2003 |
334.1 |
0.510 |
| 2004 |
335.0 |
0.499 |
| 2005 |
335.9 |
0.487 |
| 2006 |
336.9 |
0.476 |
| 2007 |
337.9 |
0.464 |
| 2008 |
339.0 |
0.452 |
| 2009 |
340.1 |
0.439 |
| 2010 |
341.3 |
0.426 |
| 2011 |
342.5 |
0.413 |
| 2012 |
343.9 |
0.399 |
| 2013 |
345.3 |
0.385 |
| 2014 |
346.9 |
0.371 |
| 2015 |
348.6 |
0.356 |
| 2016 |
350.4 |
0.341 |
| 2017 |
352.5 |
0.325 |
| 2018 |
354.7 |
0.309 |
| 2019 |
357.1 |
0.293 |
| 2020 |
359.9 |
0.276 |
| 2021 |
3.0 |
0.260 |
| 2022 |
6.6 |
0.243 |
| 2023 |
10.7 |
0.226 |
| 2024 |
15.4 |
0.209 |
| 2025 |
21.0 |
0.193 |
| 2026 |
27.5 |
0.178 |
| 2027 |
35.2 |
0.164 |
| 2028 |
44.1 |
0.153 |
| 2029 |
54.3 |
0.145 |
| 2030 |
65.4 |
0.140 |
|
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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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