03087-4801 HDS 399 (HD 19716)
03h 08m 40.22s -48° 00' 59.1" P.A. 194.00 sep 0.1 mag 8.57,9.95 Sp F8/G0V dist. 76.69 pc (250.16 l.y.)
Coord 2000 |
03087-4801 |
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Discov num |
HDS 399 |
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Comp |
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Coord arcsec 2000 |
03 08 40.22 -48 00 59.1 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
8 |
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Pa first |
234 |
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Pa last |
193.9 |
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P.A. Now (θ) |
193.9° |
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Sep first |
0.2 |
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Sep last |
0.096 |
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Sep. Now (ρ) |
0.096" |
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Mag pri |
8.57 |
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Mag sec |
9.95 |
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delta mag (ΔM) |
1.38 |
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Spectral class |
F8/G0V (yellow-white) |
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Pri motion ra |
+083 |
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Sec motion ra |
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Pri motion dec |
-024 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 19716 |
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Constellation |
Horologium |
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SAO |
216182 |
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HIP |
14609 |
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Tycho2 |
8061-00487-1 |
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Gaia DR2 |
4750399752552586112 |
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HD |
19716 |
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GC |
3775 |
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CD |
CD-48 856 |
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CP |
CP-48 331 |
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Distance |
76.69 |
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Distance ly |
250.16 |
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ORBITAL ELEMENTS
Period (P) | 35.37y | |
Periastron (T) | 2015.44y | |
Semi-major axis (a) | 0.147a | |
Eccentricity (e) | 0.15 | |
Inclination (i) | 63.9° | |
Longitude of periastron (ω) | 223.2° | |
Node (Ω) | 237.4° | |
Notes | | |
Reference | Tok2019d | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
275.1 |
0.105 |
2001 |
285.1 |
0.092 |
2002 |
298.1 |
0.081 |
2003 |
314.6 |
0.073 |
2004 |
333.5 |
0.070 |
2005 |
352.1 |
0.074 |
2006 |
7.9 |
0.083 |
2007 |
20.3 |
0.094 |
2008 |
30.0 |
0.105 |
2009 |
37.8 |
0.116 |
2010 |
44.3 |
0.124 |
2011 |
50.3 |
0.129 |
2012 |
55.9 |
0.130 |
2013 |
61.7 |
0.126 |
2014 |
68.1 |
0.118 |
2015 |
75.8 |
0.105 |
2016 |
85.9 |
0.090 |
2017 |
100.5 |
0.074 |
2018 |
122.2 |
0.061 |
2019 |
150.4 |
0.058 |
2020 |
176.5 |
0.065 |
2021 |
194.8 |
0.081 |
2022 |
206.9 |
0.098 |
2023 |
215.4 |
0.115 |
2024 |
221.7 |
0.131 |
2025 |
226.8 |
0.143 |
2026 |
231.1 |
0.153 |
2027 |
235.1 |
0.159 |
2028 |
238.8 |
0.162 |
2029 |
242.4 |
0.162 |
2030 |
246.1 |
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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