12152-1019 BUP 139
12h 15m 10.55s -10° 18' 44.6" P.A. 71.00 sep 42.8 mag 6.11,12.90 Sp F5V dist. 22.35 pc (72.91 l.y.)
Coord 2000 |
12152-1019 |
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Discov num |
BUP 139 |
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Comp |
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Coord arcsec 2000 |
12 15 10.55 -10 18 44.6 |
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Date first |
1909 |
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Date last |
2000 |
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Obs |
4 |
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Pa first |
149 |
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Pa last |
70.8 |
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P.A. Now (θ) |
70.8° |
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Sep first |
89.4 |
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Sep last |
42.844 |
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Sep. Now (ρ) |
42.844" |
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Mag pri |
6.11 |
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Mag sec |
12.90 |
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delta mag (ΔM) |
6.79 |
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Spectral class |
F5V (yellow-white) |
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Pri motion ra |
+004 |
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Sec motion ra |
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Pri motion dec |
-102 |
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Sec motion dec |
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Notes |
N
P
(See Notes, 100-year proper motion) |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Virgo |
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SAO |
157168 |
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HIP |
59750 |
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Tycho2 |
5522-01684-1 |
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HD |
106516 |
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HR |
4657 |
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GC |
16731 |
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BD |
BD-09 3468 |
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Distance |
22.35 |
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Distance ly |
72.91 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 12152-1019 BUP 139 A |
coord_arcsec_2000 | 121510.54-101835.8 |
Period (P) | 843.9d (2.31y) | |
Periastron (T) | 47589d (1989.17y) | |
Semi-major axis (a) | 4.4m | ± 0.5 |
Eccentricity (e) | 0.046 | |
Inclination (i) | 80.7° | ± 2.3 |
Longitude of periastron (ω) | 199° | |
Node (Ω) | 108.4° | ± 3.1 |
Notes | n | |
Reference | Ren2013 | |
Equinox | 2000 | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
156.2 |
0.001 |
2001-01-01 |
308.3 |
0.002 |
2002-01-01 |
115.2 |
0.004 |
2003-01-01 |
290.6 |
0.004 |
2004-01-01 |
107.1 |
0.005 |
2005-01-01 |
281.0 |
0.003 |
2006-01-01 |
96.0 |
0.003 |
2007-01-01 |
210.5 |
0.001 |
2008-01-01 |
324.0 |
0.001 |
2009-01-01 |
118.0 |
0.003 |
2010-01-01 |
292.7 |
0.004 |
2011-01-01 |
108.7 |
0.005 |
2012-01-01 |
283.6 |
0.004 |
2013-01-01 |
99.7 |
0.003 |
2014-01-01 |
252.3 |
0.001 |
2015-01-01 |
8.7 |
0.001 |
2016-01-01 |
121.9 |
0.003 |
2017-01-01 |
295.3 |
0.003 |
2018-01-01 |
110.3 |
0.005 |
2019-01-01 |
285.7 |
0.004 |
2020-01-01 |
102.4 |
0.004 |
2021-01-01 |
267.7 |
0.002 |
2022-01-01 |
64.0 |
0.001 |
2023-01-01 |
128.4 |
0.002 |
2024-01-01 |
298.7 |
0.003 |
2025-01-01 |
112.0 |
0.004 |
2026-01-01 |
287.7 |
0.004 |
2027-01-01 |
104.5 |
0.004 |
2028-01-01 |
274.9 |
0.002 |
2029-01-01 |
84.6 |
0.002 |
2030-01-01 |
141.7 |
0.001 |
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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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