00348-5853 I 439 (HD 3207)
00h 34m 47.47s -58° 53' 07.6" P.A. 347.00 sep 0.0 mag 9.96,9.86 Sp G3V dist. 81.1 pc (264.55 l.y.)
Coord 2000 |
00348-5853 |
|
Discov num |
I 439 |
|
Comp |
|
|
Coord arcsec 2000 |
00 34 47.47 -58 53 07.6 |
|
Date first |
1911 |
|
Date last |
2021 |
|
Obs |
15 |
|
Pa first |
102 |
|
Pa last |
346.9 |
|
P.A. Now (θ) |
346.9° |
|
Sep first |
1.1 |
|
Sep last |
0.047 |
|
Sep. Now (ρ) |
0.047" |
|
Mag pri |
9.96 |
|
Mag sec |
9.86 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
G3V (yellow) |
|
Pri motion ra |
+036 |
|
Sec motion ra |
+036 |
|
Pri motion dec |
-033 |
|
Sec motion dec |
-033 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 3207 |
|
Constellation |
Tucana |
|
SAO |
232096 |
|
HIP |
2726 |
|
Tycho2 |
8471-00802-1 |
|
Gaia DR2 |
4907047556414937856 |
|
HD |
3207 |
|
CP |
CP-59 46 |
|
Distance |
81.1 |
|
Distance ly |
264.55 |
|
ORBITAL ELEMENTS
Period (P) | 350y | |
Periastron (T) | 2020.64y | |
Semi-major axis (a) | 0.693a | |
Eccentricity (e) | 0.962 | |
Inclination (i) | 47° | |
Longitude of periastron (ω) | 152.1° | |
Node (Ω) | 116.3° | |
Notes | | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
111.5 |
0.510 |
2001 |
111.8 |
0.495 |
2002 |
112.2 |
0.479 |
2003 |
112.6 |
0.463 |
2004 |
113.1 |
0.446 |
2005 |
113.6 |
0.429 |
2006 |
114.1 |
0.411 |
2007 |
114.6 |
0.393 |
2008 |
115.3 |
0.374 |
2009 |
116.0 |
0.354 |
2010 |
116.7 |
0.333 |
2011 |
117.6 |
0.312 |
2012 |
118.6 |
0.289 |
2013 |
119.8 |
0.266 |
2014 |
121.3 |
0.241 |
2015 |
123.1 |
0.214 |
2016 |
125.4 |
0.185 |
2017 |
128.6 |
0.154 |
2018 |
133.6 |
0.119 |
2019 |
143.2 |
0.079 |
2020 |
177.8 |
0.033 |
2021 |
318.0 |
0.032 |
2022 |
14.6 |
0.053 |
2023 |
36.6 |
0.079 |
2024 |
47.6 |
0.105 |
2025 |
54.3 |
0.131 |
2026 |
58.8 |
0.154 |
2027 |
62.2 |
0.177 |
2028 |
64.8 |
0.199 |
2029 |
66.9 |
0.220 |
2030 |
68.6 |
0.240 |
|
|
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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WDS 00348-5853 I 439 (HD 3207) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Tok2021c |
orb - |
Tokovinin, A. |
2021IAUDS.203....1S |
Tok2021c |
|
Inf. Circ. 203, 1, 2021 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
I |
Innes, R.T.A. |
5 |
I |
MNRAS 57, 533, 1897 (data also in I__1897b, |
5 |
I |
I__1897c) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
00348-5853 |
I 439 |
|
1991 |
10 |
109 |
0.6 |
9.96 |
9.86 |
G3V |
D |
003447.47-585307.6 |
00348-5853 |
I 439 |
|
2016 |
10 |
129 |
0.2 |
9.96 |
9.86 |
G3V |
|
003447.47-585307.6 |
00348-5853 |
I 439 |
|
2018 |
11 |
137 |
0.1 |
9.96 |
9.86 |
G3V |
|
003447.47-585307.6 |
00348-5853 |
I 439 |
|
2019 |
12 |
155 |
0.1 |
9.96 |
9.86 |
G3V |
|
003447.47-585307.6 |
00348-5853 |
I 439 |
|
2020 |
13 |
301 |
0.0 |
9.96 |
9.86 |
G3V |
|
003447.47-585307.6 |
00348-5853 |
I 439 |
|
2021 |
15 |
347 |
0.0 |
9.96 |
9.86 |
G3V |
O |
003447.47-585307.6 |
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WDS 00348-5853 I 439 (HD 3207) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 00348-5853 I 439 (HD 3207) : MEASURES
No records found.
WDS 00348-5853 (HD 3207) : VIRTUAL EYEPIECE
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WDS 00348-5853 (HD 3207) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.