06487+0737 A 2731 AB (HD 49409)
06h 48m 39.38s +07° 37' 20.4" P.A. 67.00 sep 1.3 mag 8.24,9.53 Sp G5 dist. 53.13 pc (173.31 l.y.)
| Coord 2000 |
06487+0737 |
|
Discov num |
A 2731 |
|
Comp |
AB |
|
Coord arcsec 2000 |
06 48 39.38 +07 37 20.4 |
|
| Date first |
1913 |
|
Date last |
2016 |
|
Obs |
50 |
|
| Pa first |
109 |
|
Pa last |
67.1 |
|
P.A. Now (θ) |
67.1° |
|
| Sep first |
0.7 |
|
Sep last |
1.344 |
|
Sep. Now (ρ) |
1.344" |
|
| Mag pri |
8.24 |
|
Mag sec |
9.53 |
|
delta mag (ΔM) |
1.29 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-060 |
|
Sec motion ra |
-060 |
|
| Pri motion dec |
-376 |
|
Sec motion dec |
-376 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
06487+0737 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 49409 |
114448 |
06 48 39 +07 37 20 |
A 2731 AB |
2016 |
50 |
67 |
1.3 |
8.24 |
9.53 |
1.29 |
Y |
<=== |
| Show |
|
|
06 48 39 +07 37 20 |
LDS 5686 BC |
2016 |
6 |
230 |
28.4 |
9.52 |
17.70 |
8.18 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 49409 |
|
Constellation |
Monoceros |
|
SAO |
114448 |
|
HIP |
32650 |
|
| Tycho2 |
0747-01401-1 |
|
HD |
49409 |
|
ADS |
5469 |
|
BD |
BD+07 1457 |
|
| Distance |
53.13 |
|
Distance ly |
173.31 |
|
ORBITAL ELEMENTS
| Period (P) | 247.168y | ± 24.4328 |
Periastron (T) | 1936.959y | ± 1.7059 |
Semi-major axis (a) | 0.83911a | ± 0.04887 |
| Eccentricity (e) | 0.85733 | ± 0.01918 |
Inclination (i) | 28.959° | ± 8.461 |
Longitude of periastron (ω) | 152.292° | ± 24.444 |
| Node (Ω) | 100.965° | ± 23.362 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.2 |
1.227 |
| 2001 |
62.5 |
1.236 |
| 2002 |
62.8 |
1.245 |
| 2003 |
63.1 |
1.254 |
| 2004 |
63.4 |
1.263 |
| 2005 |
63.7 |
1.272 |
| 2006 |
64.0 |
1.280 |
| 2007 |
64.2 |
1.289 |
| 2008 |
64.5 |
1.297 |
| 2009 |
64.8 |
1.305 |
| 2010 |
65.1 |
1.313 |
| 2011 |
65.3 |
1.320 |
| 2012 |
65.6 |
1.328 |
| 2013 |
65.8 |
1.335 |
| 2014 |
66.1 |
1.343 |
| 2015 |
66.4 |
1.350 |
| 2016 |
66.6 |
1.356 |
| 2017 |
66.9 |
1.363 |
| 2018 |
67.1 |
1.370 |
| 2019 |
67.4 |
1.376 |
| 2020 |
67.6 |
1.383 |
| 2021 |
67.8 |
1.389 |
| 2022 |
68.1 |
1.395 |
| 2023 |
68.3 |
1.401 |
| 2024 |
68.5 |
1.406 |
| 2025 |
68.8 |
1.412 |
| 2026 |
69.0 |
1.417 |
| 2027 |
69.2 |
1.423 |
| 2028 |
69.5 |
1.428 |
| 2029 |
69.7 |
1.433 |
| 2030 |
69.9 |
1.437 |
|
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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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