06455+2922 A 122 (HD 48591)
06h 45m 27.02s +29° 21' 59.8" P.A. 24.00 sep 0.4 mag 8.89,9.39 Sp F8V dist. 77.04 pc (251.3 l.y.)
| Coord 2000 |
06455+2922 |
|
Discov num |
A 122 |
|
Comp |
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Coord arcsec 2000 |
06 45 27.02 +29 21 59.8 |
|
| Date first |
1900 |
|
Date last |
2016 |
|
Obs |
29 |
|
| Pa first |
28 |
|
Pa last |
24.4 |
|
P.A. Now (θ) |
20.1° |
|
| Sep first |
0.4 |
|
Sep last |
0.41 |
|
Sep. Now (ρ) |
0.425" |
|
| Mag pri |
8.89 |
|
Mag sec |
9.39 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
-035 |
|
Sec motion ra |
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| Pri motion dec |
-064 |
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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 48591 |
|
Constellation |
Gemini |
|
SAO |
78705 |
|
HIP |
32378 |
|
| Tycho2 |
1905-00902-1 |
|
Gaia DR2 |
3386625246684513024 |
|
HD |
48591 |
|
ADS |
5408 |
|
| BD |
BD+29 1332 |
|
Distance |
77.04 |
|
Distance ly |
251.3 |
|
ORBITAL ELEMENTS
| Period (P) | 102.3y | |
Periastron (T) | 1976.99y | |
Semi-major axis (a) | 0.334a | |
| Eccentricity (e) | 0.647 | |
Inclination (i) | 113.7° | |
Longitude of periastron (ω) | 228.5° | |
| Node (Ω) | 40.9° | |
Notes | n | |
Reference | Sca2020d | |
| Equinox | 2000 | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
34.6 |
0.411 |
| 2001 |
33.9 |
0.418 |
| 2002 |
33.2 |
0.423 |
| 2003 |
32.5 |
0.428 |
| 2004 |
31.9 |
0.432 |
| 2005 |
31.2 |
0.436 |
| 2006 |
30.6 |
0.439 |
| 2007 |
30.0 |
0.442 |
| 2008 |
29.4 |
0.444 |
| 2009 |
28.8 |
0.445 |
| 2010 |
28.2 |
0.446 |
| 2011 |
27.6 |
0.447 |
| 2012 |
26.9 |
0.447 |
| 2013 |
26.3 |
0.447 |
| 2014 |
25.7 |
0.446 |
| 2015 |
25.1 |
0.445 |
| 2016 |
24.5 |
0.444 |
| 2017 |
23.9 |
0.442 |
| 2018 |
23.3 |
0.440 |
| 2019 |
22.7 |
0.438 |
| 2020 |
22.0 |
0.435 |
| 2021 |
21.4 |
0.432 |
| 2022 |
20.8 |
0.428 |
| 2023 |
20.1 |
0.425 |
| 2024 |
19.4 |
0.420 |
| 2025 |
18.7 |
0.416 |
| 2026 |
18.0 |
0.411 |
| 2027 |
17.3 |
0.406 |
| 2028 |
16.6 |
0.401 |
| 2029 |
15.8 |
0.396 |
| 2030 |
15.0 |
0.390 |
|
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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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