08153-6255 RMK 8 (HD 69863)
08h 15m 15.91s -62° 54' 56.2" P.A. 70.00 sep 4.1 mag 5.27,7.62 Sp A2V dist. 77.52 pc (252.87 l.y.)
Coord 2000 |
08153-6255 |
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Discov num |
RMK 8 |
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Comp |
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Coord arcsec 2000 |
08 15 15.91 -62 54 56.2 |
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Date first |
1851 |
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Date last |
2016 |
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Obs |
26 |
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Pa first |
57 |
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Pa last |
69.8 |
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P.A. Now (θ) |
69.8° |
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Sep first |
3.7 |
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Sep last |
4.073 |
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Sep. Now (ρ) |
4.073" |
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Mag pri |
5.27 |
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Mag sec |
7.62 |
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delta mag (ΔM) |
2.35 |
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Spectral class |
A2V (white) |
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Pri motion ra |
-036 |
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Sec motion ra |
-027 |
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Pri motion dec |
-002 |
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Sec motion dec |
-011 |
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Notes |
O
(Orbital solution) |
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rPM=0.353
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 69863 |
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Constellation |
Carina |
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SAO |
250164 |
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HIP |
40429 |
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Tycho2 |
8928-02911-1 |
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Gaia DR2 |
5277370356917351808 |
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HD |
69863 |
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HR |
3260 |
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GC |
11275 |
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CP |
CP-62 985 |
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Distance |
77.52 |
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Distance ly |
252.87 |
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ORBITAL ELEMENTS
Period (P) | 30000y | |
Periastron (T) | 1950y | ± 150 |
Semi-major axis (a) | 21a | ± 7 |
Eccentricity (e) | 0.8 | ± 0.3 |
Inclination (i) | 73° | ± 3 |
Longitude of periastron (ω) | 350° | ± 30 |
Node (Ω) | 70.4° | ± 0.7 |
Notes | | |
Reference | LRR2018b | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
70.1 |
4.222 |
2001 |
70.2 |
4.223 |
2002 |
70.2 |
4.225 |
2003 |
70.3 |
4.226 |
2004 |
70.3 |
4.227 |
2005 |
70.4 |
4.228 |
2006 |
70.4 |
4.229 |
2007 |
70.5 |
4.230 |
2008 |
70.5 |
4.231 |
2009 |
70.6 |
4.232 |
2010 |
70.6 |
4.233 |
2011 |
70.7 |
4.234 |
2012 |
70.7 |
4.234 |
2013 |
70.8 |
4.235 |
2014 |
70.8 |
4.236 |
2015 |
70.9 |
4.237 |
2016 |
70.9 |
4.238 |
2017 |
71.0 |
4.239 |
2018 |
71.0 |
4.240 |
2019 |
71.1 |
4.240 |
2020 |
71.1 |
4.241 |
2021 |
71.2 |
4.242 |
2022 |
71.2 |
4.243 |
2023 |
71.3 |
4.243 |
2024 |
71.3 |
4.244 |
2025 |
71.4 |
4.245 |
2026 |
71.4 |
4.245 |
2027 |
71.5 |
4.246 |
2028 |
71.5 |
4.246 |
2029 |
71.6 |
4.247 |
2030 |
71.6 |
4.248 |
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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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