03147-3533 GAA 4 (TZ For)
03h 14m 40.09s -35° 33' 27.5" P.A. 247.00 sep 0.0 mag 7.51,7.76 Sp G8+F7III dist. 173.91 pc (567.29 l.y.)
Coord 2000 |
03147-3533 |
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Discov num |
GAA 4 |
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Comp |
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Coord arcsec 2000 |
03 14 40.09 -35 33 27.5 |
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Date first |
2014 |
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Date last |
2015 |
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Obs |
11 |
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Pa first |
69 |
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Pa last |
247.2 |
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P.A. Now (θ) |
247.2° |
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Sep first |
0.0 |
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Sep last |
0.003 |
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Sep. Now (ρ) |
0.003" |
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Mag pri |
7.51 |
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Mag sec |
7.76 |
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delta mag (ΔM) |
0.25 |
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Spectral class |
G8+F7III (yellow/yellow-white) |
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Pri motion ra |
+035 |
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Sec motion ra |
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Pri motion dec |
+017 |
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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
Var name |
TZ For |
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Constellation |
Fornax |
|
SAO |
194176 |
|
HIP |
15092 |
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Tycho2 |
7026-00633-1 |
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Gaia DR2 |
5047189109469319680 |
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HD |
20301 |
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GC |
3886 |
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CD |
CD-36 1218 |
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CP |
CP-36 331 |
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Distance |
173.91 |
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Distance ly |
567.29 |
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ORBITAL ELEMENTS
Period (P) | 75.66647d | ± 0.00006 |
Periastron (T) | 52599.2904d (2002.888y) | |
Semi-major axis (a) | 2.993m | ± 0.03 |
Eccentricity (e) | 0.00002 | ± 0.00003 |
Inclination (i) | 85.68° | ± 0.05 |
Longitude of periastron (ω) | 269.93° | ± 0.04 |
Node (Ω) | 65.99° | ± 0.03 |
Notes | n | |
Reference | GaA2016 | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
55.1 |
0.001 |
2001-01-01 |
251.0 |
0.002 |
2002-01-01 |
245.0 |
0.003 |
2003-01-01 |
229.8 |
0.001 |
2004-01-01 |
69.9 |
0.002 |
2005-01-01 |
64.4 |
0.003 |
2006-01-01 |
36.9 |
|
2007-01-01 |
249.1 |
0.002 |
2008-01-01 |
243.8 |
0.003 |
2009-01-01 |
167.5 |
|
2010-01-01 |
68.3 |
0.003 |
2011-01-01 |
63.1 |
0.002 |
2012-01-01 |
281.8 |
|
2013-01-01 |
247.7 |
0.003 |
2014-01-01 |
242.3 |
0.002 |
2015-01-01 |
84.3 |
0.001 |
2016-01-01 |
67.1 |
0.003 |
2017-01-01 |
61.3 |
0.002 |
2018-01-01 |
257.9 |
0.001 |
2019-01-01 |
246.6 |
0.003 |
2020-01-01 |
240.0 |
0.002 |
2021-01-01 |
74.6 |
0.001 |
2022-01-01 |
66.1 |
0.003 |
2023-01-01 |
58.2 |
0.001 |
2024-01-01 |
252.5 |
0.002 |
2025-01-01 |
245.6 |
0.003 |
2026-01-01 |
235.5 |
0.001 |
2027-01-01 |
71.1 |
0.002 |
2028-01-01 |
65.0 |
0.003 |
2029-01-01 |
50.6 |
0.001 |
2030-01-01 |
250.0 |
0.002 |
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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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