22385-1519 BLA 10 AB
22h 38m 33.58s -15° 17' 59.8" P.A. 357.00 sep 0.4 mag 12.20,12.90 Sp M5.0Ve
| Coord 2000 |
22385-1519 |
|
Discov num |
BLA 10 |
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Comp |
AB |
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Coord arcsec 2000 |
22 38 33.58 -15 17 59.8 |
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| Date first |
1985 |
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Date last |
2021 |
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Obs |
51 |
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| Pa first |
0 |
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Pa last |
357.3 |
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P.A. Now (θ) |
357.3° |
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| Sep first |
0.4 |
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Sep last |
0.406 |
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Sep. Now (ρ) |
0.406" |
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| Mag pri |
12.20 |
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Mag sec |
12.90 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
M5.0Ve (red) |
|
| Pri motion ra |
+231 |
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Sec motion ra |
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| Pri motion dec |
+230 |
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Sec motion dec |
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| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
ORBITAL ELEMENTS
| Period (P) | 822.6d (2.25y) | ± 0.2 |
Periastron (T) | 51810.3m (2000.729y) | ± 0.4 |
Semi-major axis (a) | 0.3473a | ± 0.0005 |
| Eccentricity (e) | 0.439 | ± 0.001 |
Inclination (i) | 112.6° | ± 0.1 |
Longitude of periastron (ω) | 158.7° | ± 0.3 |
| Node (Ω) | 341.2° | ± 0.1 |
Notes | n | |
Reference | Sgr2000 | |
| Equinox | | |
Last observation | 1999 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
338.1 |
0.450 |
| 2001-01-01 |
112.5 |
0.139 |
| 2002-01-01 |
345.5 |
0.486 |
| 2003-01-01 |
166.2 |
0.191 |
| 2004-01-01 |
353.1 |
0.445 |
| 2005-01-01 |
287.0 |
0.122 |
| 2006-01-01 |
4.0 |
0.338 |
| 2007-01-01 |
327.6 |
0.331 |
| 2008-01-01 |
30.0 |
0.189 |
| 2009-01-01 |
338.4 |
0.453 |
| 2010-01-01 |
115.5 |
0.142 |
| 2011-01-01 |
345.8 |
0.486 |
| 2012-01-01 |
167.8 |
0.188 |
| 2013-01-01 |
353.4 |
0.442 |
| 2014-01-01 |
290.7 |
0.129 |
| 2015-01-01 |
4.5 |
0.334 |
| 2016-01-01 |
328.1 |
0.336 |
| 2017-01-01 |
31.7 |
0.184 |
| 2018-01-01 |
338.7 |
0.456 |
| 2019-01-01 |
118.3 |
0.145 |
| 2020-01-01 |
346.0 |
0.485 |
| 2021-01-01 |
169.5 |
0.184 |
| 2022-01-01 |
353.7 |
0.439 |
| 2023-01-01 |
294.0 |
0.137 |
| 2024-01-01 |
5.1 |
0.329 |
| 2025-01-01 |
328.6 |
0.342 |
| 2026-01-01 |
33.5 |
0.179 |
| 2027-01-01 |
338.9 |
0.458 |
| 2028-01-01 |
121.1 |
0.148 |
| 2029-01-01 |
346.3 |
0.485 |
| 2030-01-01 |
171.3 |
0.180 |
| 2031-01-01 |
354.0 |
0.436 |
| 2032-01-01 |
297.0 |
0.144 |
| 2033-01-01 |
5.6 |
0.324 |
| 2034-01-01 |
329.1 |
0.348 |
| 2035-01-01 |
35.4 |
0.174 |
| 2036-01-01 |
339.2 |
0.460 |
| 2037-01-01 |
123.7 |
0.152 |
| 2038-01-01 |
346.5 |
0.484 |
| 2039-01-01 |
173.1 |
0.175 |
| 2040-01-01 |
354.3 |
0.434 |
| 2041-01-01 |
299.7 |
0.152 |
| 2042-01-01 |
6.2 |
0.319 |
| 2043-01-01 |
329.6 |
0.354 |
| 2044-01-01 |
37.4 |
0.169 |
| 2045-01-01 |
339.5 |
0.463 |
| 2046-01-01 |
126.2 |
0.156 |
| 2047-01-01 |
346.8 |
0.484 |
| 2048-01-01 |
175.1 |
0.170 |
| 2049-01-01 |
354.6 |
0.431 |
| 2050-01-01 |
302.1 |
0.159 |
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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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