06474+1812 STT 156 (HD 49059)
06h 47m 23.46s +18° 11' 36.4" P.A. 136.00 sep 0.2 mag 6.61,8.04 Sp A2V dist. 176.68 pc (576.33 l.y.)
| Coord 2000 |
06474+1812 |
|
Discov num |
STT 156 |
|
Comp |
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Coord arcsec 2000 |
06 47 23.46 +18 11 36.4 |
|
| Date first |
1843 |
|
Date last |
2016 |
|
Obs |
185 |
|
| Pa first |
359 |
|
Pa last |
135.9 |
|
P.A. Now (θ) |
64° |
|
| Sep first |
0.4 |
|
Sep last |
0.182 |
|
Sep. Now (ρ) |
0.18" |
|
| Mag pri |
6.61 |
|
Mag sec |
8.04 |
|
delta mag (ΔM) |
1.43 |
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-039 |
|
Sec motion dec |
-039 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 49059 |
|
Constellation |
Gemini |
|
SAO |
96111 |
|
HIP |
32539 |
|
| Tycho2 |
1334-00998-1 |
|
Gaia DR2 |
3359344958749522688 |
|
HD |
49059 |
|
HR |
2499 |
|
| GC |
8877 |
|
ADS |
5447 |
|
BD |
BD+18 1349 |
|
Distance |
176.68 |
|
| Distance ly |
576.33 |
|
ORBITAL ELEMENTS
| Period (P) | 205.3y | ± 8.2 |
Periastron (T) | 2017.76y | ± 0.51 |
Semi-major axis (a) | 0.45a | ± 0.02 |
| Eccentricity (e) | 0.605 | ± 0.031 |
Inclination (i) | 150.5° | ± 4.8 |
Longitude of periastron (ω) | 258.9° | ± 8.5 |
| Node (Ω) | 10.1° | ± 12 |
Notes | n | |
Reference | Pru2017 | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
209.1 |
0.315 |
| 2001 |
206.6 |
0.306 |
| 2002 |
203.9 |
0.297 |
| 2003 |
201.0 |
0.288 |
| 2004 |
197.9 |
0.278 |
| 2005 |
194.6 |
0.268 |
| 2006 |
191.1 |
0.258 |
| 2007 |
187.3 |
0.248 |
| 2008 |
183.1 |
0.237 |
| 2009 |
178.5 |
0.227 |
| 2010 |
173.5 |
0.216 |
| 2011 |
167.9 |
0.206 |
| 2012 |
161.8 |
0.195 |
| 2013 |
155.0 |
0.185 |
| 2014 |
147.5 |
0.176 |
| 2015 |
139.2 |
0.168 |
| 2016 |
130.1 |
0.162 |
| 2017 |
120.4 |
0.157 |
| 2018 |
110.4 |
0.155 |
| 2019 |
100.2 |
0.156 |
| 2020 |
90.2 |
0.159 |
| 2021 |
80.7 |
0.164 |
| 2022 |
72.0 |
0.171 |
| 2023 |
64.0 |
0.180 |
| 2024 |
56.8 |
0.190 |
| 2025 |
50.4 |
0.201 |
| 2026 |
44.6 |
0.213 |
| 2027 |
39.5 |
0.224 |
| 2028 |
34.9 |
0.236 |
| 2029 |
30.7 |
0.248 |
| 2030 |
26.8 |
0.260 |
|
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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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