10120-2836 B 194 (HD 88522)
10h 12m 02.88s -28° 36' 21.4" P.A. 200.00 sep 0.2 mag 6.78,7.41 Sp A1V dist. 152.67 pc (498.01 l.y.)
Coord 2000 |
10120-2836 |
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Discov num |
B 194 |
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Comp |
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Coord arcsec 2000 |
10 12 02.88 -28 36 21.4 |
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Date first |
1926 |
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Date last |
2014 |
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Obs |
36 |
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Pa first |
11 |
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Pa last |
199.9 |
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P.A. Now (θ) |
25.2° |
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Sep first |
0.2 |
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Sep last |
0.196 |
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Sep. Now (ρ) |
0.255" |
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Mag pri |
6.78 |
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Mag sec |
7.41 |
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delta mag (ΔM) |
0.63 |
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Spectral class |
A1V (white) |
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Pri motion ra |
-040 |
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Sec motion ra |
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Pri motion dec |
+003 |
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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 88522 |
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Constellation |
Antlia |
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SAO |
178526 |
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HIP |
49967 |
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Tycho2 |
6630-00998-1 |
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Gaia DR2 |
5465308986098138112 |
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HD |
88522 |
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HR |
4003 |
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GC |
14010 |
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ADS |
7681 |
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CD |
CD-27 7266 |
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CP |
CP-27 4055 |
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Distance |
152.67 |
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Distance ly |
498.01 |
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ORBITAL ELEMENTS
Period (P) | 91.89y | ± 0.85 |
Periastron (T) | 2003.58y | ± 0.22 |
Semi-major axis (a) | 0.226a | ± 0.003 |
Eccentricity (e) | 0.676 | ± 0.012 |
Inclination (i) | 76° | ± 0.7 |
Longitude of periastron (ω) | 59.7° | ± 1.1 |
Node (Ω) | 198.3° | ± 0.5 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
194.3 |
0.101 |
2001 |
198.1 |
0.092 |
2002 |
203.1 |
0.077 |
2003 |
211.4 |
0.055 |
2004 |
233.7 |
0.029 |
2005 |
313.8 |
0.021 |
2006 |
353.2 |
0.046 |
2007 |
3.9 |
0.073 |
2008 |
8.9 |
0.098 |
2009 |
11.9 |
0.120 |
2010 |
14.0 |
0.139 |
2011 |
15.7 |
0.156 |
2012 |
17.0 |
0.171 |
2013 |
18.1 |
0.184 |
2014 |
19.1 |
0.196 |
2015 |
20.0 |
0.206 |
2016 |
20.8 |
0.216 |
2017 |
21.5 |
0.224 |
2018 |
22.2 |
0.231 |
2019 |
22.9 |
0.237 |
2020 |
23.5 |
0.243 |
2021 |
24.1 |
0.247 |
2022 |
24.7 |
0.252 |
2023 |
25.2 |
0.255 |
2024 |
25.8 |
0.258 |
2025 |
26.3 |
0.260 |
2026 |
26.8 |
0.262 |
2027 |
27.3 |
0.263 |
2028 |
27.9 |
0.264 |
2029 |
28.4 |
0.265 |
2030 |
28.9 |
0.265 |
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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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