02405-2408 SEE 19 (HD 16753)
02h 40m 31.49s -24° 08' 07.5" P.A. 73.00 sep 0.1 mag 8.15,8.68 Sp F5V dist. 188.32 pc (614.3 l.y.)
Coord 2000 |
02405-2408 |
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Discov num |
SEE 19 |
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Comp |
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Coord arcsec 2000 |
02 40 31.49 -24 08 07.5 |
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Date first |
1897 |
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Date last |
2021 |
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Obs |
42 |
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Pa first |
324 |
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Pa last |
72.6 |
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P.A. Now (θ) |
72.6° |
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Sep first |
0.6 |
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Sep last |
0.098 |
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Sep. Now (ρ) |
0.098" |
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Mag pri |
8.15 |
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Mag sec |
8.68 |
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delta mag (ΔM) |
0.53 |
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Spectral class |
F5V (yellow-white) |
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Pri motion ra |
+022 |
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Sec motion ra |
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Pri motion dec |
+023 |
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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 16753 |
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Constellation |
Fornax |
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SAO |
167965 |
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HIP |
12466 |
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Tycho2 |
6434-01859-1 |
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Gaia DR2 |
5077099605314668032 |
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HD |
16753 |
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ADS |
2044 |
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CD |
CD-24 1196 |
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CP |
CP-24 304 |
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Distance |
188.32 |
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Distance ly |
614.3 |
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ORBITAL ELEMENTS
Period (P) | 310.26y | ± 146.13 |
Periastron (T) | 2016.8y | ± 0.32 |
Semi-major axis (a) | 0.393a | ± 0.098 |
Eccentricity (e) | 0.839 | ± 0.009 |
Inclination (i) | 147.2° | ± 3.3 |
Longitude of periastron (ω) | 73.2° | ± 22.9 |
Node (Ω) | 225.6° | ± 39 |
Notes | | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
275.0 |
0.213 |
2001 |
273.2 |
0.206 |
2002 |
271.2 |
0.198 |
2003 |
269.0 |
0.190 |
2004 |
266.6 |
0.181 |
2005 |
264.0 |
0.173 |
2006 |
261.1 |
0.164 |
2007 |
257.8 |
0.155 |
2008 |
254.2 |
0.145 |
2009 |
250.0 |
0.135 |
2010 |
245.2 |
0.125 |
2011 |
239.4 |
0.114 |
2012 |
232.5 |
0.103 |
2013 |
223.8 |
0.091 |
2014 |
212.5 |
0.079 |
2015 |
197.3 |
0.068 |
2016 |
176.4 |
0.058 |
2017 |
149.7 |
0.054 |
2018 |
122.2 |
0.057 |
2019 |
99.9 |
0.066 |
2020 |
84.1 |
0.079 |
2021 |
72.7 |
0.092 |
2022 |
64.3 |
0.106 |
2023 |
57.9 |
0.119 |
2024 |
52.7 |
0.132 |
2025 |
48.4 |
0.145 |
2026 |
44.8 |
0.156 |
2027 |
41.6 |
0.168 |
2028 |
38.9 |
0.179 |
2029 |
36.5 |
0.189 |
2030 |
34.3 |
0.200 |
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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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