06579-4417 LPM 248
06h 57m 46.52s -44° 17' 27.8" P.A. 61.00 sep 2.8 mag 11.65,11.66 Sp M3.0V+M3V dist. 8.01 pc (26.13 l.y.)
| Coord 2000 |
06579-4417 |
|
Discov num |
LPM 248 |
|
Comp |
|
|
Coord arcsec 2000 |
06 57 46.52 -44 17 27.8 |
|
| Date first |
1933 |
|
Date last |
2021 |
|
Obs |
22 |
|
| Pa first |
58 |
|
Pa last |
61.4 |
|
P.A. Now (θ) |
61.4° |
|
| Sep first |
2.8 |
|
Sep last |
2.793 |
|
Sep. Now (ρ) |
2.793" |
|
| Mag pri |
11.65 |
|
Mag sec |
11.66 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
M3.0V+M3V (red/red) |
|
| Pri motion ra |
-119 |
|
Sec motion ra |
-110 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-004 |
|
| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
|
rPM=0.106 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Puppis |
|
HIP |
33499 |
|
Tycho2 |
7640-01099-2 |
|
GL |
Gl 257A |
|
| CD |
CD-44 3045 |
|
CP |
CP-44 1190 |
|
Distance |
8.01 |
|
Distance ly |
26.13 |
|
ORBITAL ELEMENTS
| Period (P) | 298.34y | |
Periastron (T) | 1978.3y | |
Semi-major axis (a) | 4.396a | |
| Eccentricity (e) | 0.32 | |
Inclination (i) | 107.9° | |
Longitude of periastron (ω) | 42.2° | |
| Node (Ω) | 39.9° | |
Notes | n | |
Reference | Zir2003 | |
| Equinox | 2000 | |
Last observation | 1993 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
301.6 |
1.017 |
| 2001 |
295.2 |
1.046 |
| 2002 |
289.2 |
1.085 |
| 2003 |
283.7 |
1.135 |
| 2004 |
278.7 |
1.194 |
| 2005 |
274.2 |
1.259 |
| 2006 |
270.1 |
1.330 |
| 2007 |
266.5 |
1.406 |
| 2008 |
263.2 |
1.486 |
| 2009 |
260.3 |
1.569 |
| 2010 |
257.7 |
1.654 |
| 2011 |
255.3 |
1.740 |
| 2012 |
253.2 |
1.828 |
| 2013 |
251.3 |
1.917 |
| 2014 |
249.5 |
2.007 |
| 2015 |
247.9 |
2.096 |
| 2016 |
246.4 |
2.185 |
| 2017 |
245.0 |
2.275 |
| 2018 |
243.8 |
2.364 |
| 2019 |
242.6 |
2.452 |
| 2020 |
241.5 |
2.539 |
| 2021 |
240.5 |
2.626 |
| 2022 |
239.5 |
2.712 |
| 2023 |
238.6 |
2.797 |
| 2024 |
237.8 |
2.880 |
| 2025 |
237.0 |
2.963 |
| 2026 |
236.3 |
3.044 |
| 2027 |
235.5 |
3.125 |
| 2028 |
234.9 |
3.203 |
| 2029 |
234.2 |
3.281 |
| 2030 |
233.6 |
3.357 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
