03281-1945 SKF 2172
03h 28m 07.02s -19° 45' 21.8" P.A. 341.00 sep 71.9 mag 9.20,14.10 Sp F3V
| Coord 2000 |
03281-1945 |
|
Discov num |
SKF2172 |
|
Comp |
|
|
Coord arcsec 2000 |
03 28 07.02 -19 45 21.8 |
|
| Date first |
1982 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
341 |
|
Pa last |
340.6 |
|
P.A. Now (θ) |
340.6° |
|
| Sep first |
71.8 |
|
Sep last |
71.87 |
|
Sep. Now (ρ) |
71.87" |
|
| Mag pri |
9.20 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
4.9 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
-015 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
-130 |
|
Sec motion dec |
-129 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.008 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Eridanus |
|
Tycho2 |
5876-00774-1 |
|
Gaia DR2 |
5101584522378735104 |
|
HD |
21562 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 03279-1948 GC 4128 |
| coord_arcsec_2000 | 032752.07-194818.8 |
| Period (P) | 503.3852d | ± 12.6924 |
Periastron (T) | 48343.4375d (1991.236y) | ± 28.7336 |
Semi-major axis (a) | 19.37m | ± 1.98 |
| Eccentricity (e) | 0.3235 | ± 0.1095 |
Inclination (i) | 35.04° | ± 8.98 |
Longitude of periastron (ω) | 235.07° | ± 24.07 |
| Node (Ω) | 115.13° | ± 22.29 |
Notes | n | |
Reference | HIP1997d | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
137.4 |
0.023 |
| 2001-01-01 |
52.4 |
0.013 |
| 2002-01-01 |
250.0 |
0.017 |
| 2003-01-01 |
172.1 |
0.022 |
| 2004-01-01 |
117.6 |
0.022 |
| 2005-01-01 |
334.7 |
0.012 |
| 2006-01-01 |
217.5 |
0.019 |
| 2007-01-01 |
152.4 |
0.023 |
| 2008-01-01 |
90.8 |
0.017 |
| 2009-01-01 |
280.9 |
0.016 |
| 2010-01-01 |
190.5 |
0.020 |
| 2011-01-01 |
133.8 |
0.023 |
| 2012-01-01 |
39.0 |
0.012 |
| 2013-01-01 |
243.3 |
0.017 |
| 2014-01-01 |
168.2 |
0.022 |
| 2015-01-01 |
113.3 |
0.021 |
| 2016-01-01 |
321.9 |
0.013 |
| 2017-01-01 |
211.9 |
0.019 |
| 2018-01-01 |
148.8 |
0.023 |
| 2019-01-01 |
83.8 |
0.016 |
| 2020-01-01 |
273.0 |
0.016 |
| 2021-01-01 |
185.9 |
0.021 |
| 2022-01-01 |
130.2 |
0.023 |
| 2023-01-01 |
24.0 |
0.011 |
| 2024-01-01 |
236.9 |
0.018 |
| 2025-01-01 |
164.3 |
0.023 |
| 2026-01-01 |
108.7 |
0.020 |
| 2027-01-01 |
310.5 |
0.014 |
| 2028-01-01 |
206.5 |
0.019 |
| 2029-01-01 |
145.3 |
0.024 |
| 2030-01-01 |
75.7 |
0.015 |
|
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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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