10490-7449 HEI 498 (HD 94081)
10h 48m 59.98s -74° 49' 13.2" P.A. 122.00 sep 0.1 mag 9.80,9.80 Sp A5V
| Coord 2000 |
10490-7449 |
|
Discov num |
HEI 498 |
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Comp |
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Coord arcsec 2000 |
10 48 59.98 -74 49 13.2 |
|
| Date first |
1989 |
|
Date last |
2021 |
|
Obs |
7 |
|
| Pa first |
309 |
|
Pa last |
121.5 |
|
P.A. Now (θ) |
118° |
|
| Sep first |
0.1 |
|
Sep last |
0.101 |
|
Sep. Now (ρ) |
0.105" |
|
| Mag pri |
9.80 |
|
Mag sec |
9.80 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
A5V (white) |
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| Pri motion ra |
-037 |
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Sec motion ra |
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| Pri motion dec |
+006 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 94081 |
|
Constellation |
Carina |
|
Tycho2 |
9224-00980-1 |
|
Gaia DR2 |
5228716245835407744 |
|
| HD |
94081 |
|
ORBITAL ELEMENTS
| Period (P) | 60y | |
Periastron (T) | 2022.8y | |
Semi-major axis (a) | 0.118a | |
| Eccentricity (e) | 0.105 | |
Inclination (i) | 120.1° | |
Longitude of periastron (ω) | 170.7° | |
| Node (Ω) | 294.1° | |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2020 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
280.1 |
0.118 |
| 2001 |
277.0 |
0.113 |
| 2002 |
273.6 |
0.108 |
| 2003 |
269.8 |
0.102 |
| 2004 |
265.5 |
0.095 |
| 2005 |
260.6 |
0.089 |
| 2006 |
254.9 |
0.082 |
| 2007 |
248.1 |
0.076 |
| 2008 |
240.2 |
0.069 |
| 2009 |
230.8 |
0.064 |
| 2010 |
219.9 |
0.060 |
| 2011 |
207.9 |
0.058 |
| 2012 |
195.3 |
0.058 |
| 2013 |
183.0 |
0.059 |
| 2014 |
171.9 |
0.063 |
| 2015 |
162.1 |
0.068 |
| 2016 |
153.7 |
0.073 |
| 2017 |
146.6 |
0.079 |
| 2018 |
140.4 |
0.085 |
| 2019 |
135.1 |
0.091 |
| 2020 |
130.3 |
0.096 |
| 2021 |
125.9 |
0.100 |
| 2022 |
121.9 |
0.103 |
| 2023 |
118.0 |
0.105 |
| 2024 |
114.3 |
0.106 |
| 2025 |
110.6 |
0.105 |
| 2026 |
106.8 |
0.104 |
| 2027 |
102.8 |
0.101 |
| 2028 |
98.6 |
0.098 |
| 2029 |
94.1 |
0.094 |
| 2030 |
89.1 |
0.089 |
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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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