12419-6444 HDS 1779 (HD 110310)
12h 41m 52.61s -64° 43' 43.5" P.A. 32.00 sep 0.1 mag 8.07,8.40 Sp F0/F2IV dist. 127.06 pc (414.47 l.y.)
Coord 2000 |
12419-6444 |
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Discov num |
HDS1779 |
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Comp |
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Coord arcsec 2000 |
12 41 52.61 -64 43 43.5 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
13 |
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Pa first |
244 |
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Pa last |
31.7 |
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P.A. Now (θ) |
31.7° |
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Sep first |
0.1 |
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Sep last |
0.051 |
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Sep. Now (ρ) |
0.051" |
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Mag pri |
8.07 |
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Mag sec |
8.40 |
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delta mag (ΔM) |
0.33 |
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Spectral class |
F0/F2IV (yellow-white) |
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Pri motion ra |
-021 |
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Sec motion ra |
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Pri motion dec |
+004 |
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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 110310 |
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Constellation |
Musca |
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SAO |
251995 |
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HIP |
61959 |
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Tycho2 |
8996-00018-1 |
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Gaia DR2 |
5861077543748050304 |
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HD |
110310 |
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GC |
17265 |
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CP |
CP-64 1983 |
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Distance |
127.06 |
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Distance ly |
414.47 |
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ORBITAL ELEMENTS
Period (P) | 49y | ± 15 |
Periastron (T) | 2019.86y | ± 0.2 |
Semi-major axis (a) | 0.124a | ± 0.031 |
Eccentricity (e) | 0.675 | ± 0.1 |
Inclination (i) | 118.1° | ± 10.5 |
Longitude of periastron (ω) | 128.2° | ± 10.5 |
Node (Ω) | 206.7° | ± 3.1 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
230.2 |
0.162 |
2001 |
228.7 |
0.164 |
2002 |
227.2 |
0.164 |
2003 |
225.8 |
0.165 |
2004 |
224.3 |
0.164 |
2005 |
222.9 |
0.163 |
2006 |
221.4 |
0.162 |
2007 |
219.9 |
0.159 |
2008 |
218.3 |
0.156 |
2009 |
216.6 |
0.152 |
2010 |
214.9 |
0.146 |
2011 |
212.9 |
0.140 |
2012 |
210.8 |
0.132 |
2013 |
208.4 |
0.122 |
2014 |
205.5 |
0.111 |
2015 |
201.9 |
0.098 |
2016 |
197.0 |
0.082 |
2017 |
189.4 |
0.062 |
2018 |
173.8 |
0.040 |
2019 |
122.8 |
0.021 |
2020 |
51.6 |
0.032 |
2021 |
26.6 |
0.048 |
2022 |
12.0 |
0.055 |
2023 |
359.7 |
0.058 |
2024 |
348.0 |
0.058 |
2025 |
336.4 |
0.058 |
2026 |
325.1 |
0.059 |
2027 |
314.3 |
0.061 |
2028 |
304.4 |
0.064 |
2029 |
295.5 |
0.068 |
2030 |
287.6 |
0.073 |
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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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