18531-5011 MUG 10 Aa,Ab (PZ Tel)
18h 53m 05.87s -50° 10' 49.8" P.A. 60.00 sep 0.4 mag 6.38,11.42 Sp K0Vp+M7 dist. 51.49 pc (167.96 l.y.)
Coord 2000 |
18531-5011 |
|
Discov num |
MUG 10 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 53 05.87 -50 10 49.8 |
|
Date first |
2007 |
|
Date last |
2012 |
|
Obs |
14 |
|
Pa first |
62 |
|
Pa last |
59.6 |
|
P.A. Now (θ) |
59.6° |
|
Sep first |
0.3 |
|
Sep last |
0.419 |
|
Sep. Now (ρ) |
0.419" |
|
Mag pri |
6.38 |
|
Mag sec |
11.42 |
|
delta mag (ΔM) |
5.04 |
|
Spectral class |
K0Vp+M7 (yellow-orange/red) |
|
Pri motion ra |
+018 |
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Sec motion ra |
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|
Pri motion dec |
-084 |
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Sec motion dec |
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Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
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Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
18531-5011 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
PZ Tel |
|
18 53 06 -50 10 50 |
MUG 10 Aa,Ab |
2012 |
14 |
60 |
0.4 |
6.38 |
11.42 |
5.04 |
Y |
<=== |
Show |
|
|
18 53 06 -50 10 50 |
CVN 61 AB |
2007 |
1 |
166 |
4.0 |
6.37 |
17.10 |
10.73 |
|
|
Show |
|
|
18 53 06 -50 10 50 |
CVN 61 AC |
2007 |
1 |
336 |
8.3 |
6.37 |
17.50 |
11.13 |
|
|
Show |
|
|
18 53 06 -50 10 50 |
CVN 61 AD |
2007 |
1 |
160 |
9.0 |
6.37 |
18.30 |
11.93 |
|
|
Show |
|
|
18 53 06 -50 10 50 |
CVN 61 AE |
2007 |
1 |
128 |
10.7 |
6.37 |
17.90 |
11.53 |
|
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Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
PZ Tel |
|
Constellation |
Telescopium |
|
HIP |
92680 |
|
Tycho2 |
8381-02435-1 |
|
Gaia DR2 |
6655168686921108864 |
|
HD |
174429 |
|
CD |
CD-5012190 |
|
CP |
CP-5010862 |
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Distance |
51.49 |
|
Distance ly |
167.96 |
|
ORBITAL ELEMENTS SOLUTION #1
Period (P) | 1256y | |
Periastron (T) | 2001.3y | |
Semi-major axis (a) | 2.4a | |
Eccentricity (e) | 0.991 | |
Inclination (i) | 104° | |
Longitude of periastron (ω) | 160.9° | |
Node (Ω) | 47.6° | |
Notes | n | |
Reference | Gns2014b | |
Equinox | | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
39.4 |
0.104 |
2001 |
8.2 |
0.015 |
2002 |
112.4 |
0.020 |
2003 |
73.8 |
0.071 |
2004 |
67.6 |
0.120 |
2005 |
64.8 |
0.165 |
2006 |
63.2 |
0.207 |
2007 |
62.1 |
0.245 |
2008 |
61.4 |
0.279 |
2009 |
60.8 |
0.312 |
2010 |
60.3 |
0.345 |
2011 |
59.6 |
0.398 |
2012 |
59.3 |
0.429 |
2013 |
59.2 |
0.437 |
2014 |
58.8 |
0.491 |
2015 |
80.2 |
0.049 |
2016 |
53.8 |
3.047 |
2017 |
103.4 |
0.024 |
2018 |
36.4 |
0.071 |
2019 |
58.0 |
0.605 |
2020 |
51.2 |
3.512 |
2021 |
55.2 |
1.648 |
2022 |
56.1 |
1.108 |
2023 |
57.2 |
0.774 |
2024 |
29.5 |
0.038 |
2025 |
67.9 |
0.116 |
2026 |
48.2 |
0.865 |
2027 |
56.8 |
0.885 |
2028 |
56.2 |
1.096 |
2029 |
55.5 |
1.459 |
2030 |
56.2 |
1.090 |
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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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ORBITAL ELEMENTS SOLUTION #2
Period (P) | 1766.6y | |
Periastron (T) | 2001.7y | |
Semi-major axis (a) | 3.02a | |
Eccentricity (e) | 0.996 | |
Inclination (i) | 109.6° | |
Longitude of periastron (ω) | 154.9° | |
Node (Ω) | 43.1° | |
Notes | n | |
Reference | Gns2014b | |
Equinox | | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
40.8 |
0.156 |
2001 |
36.1 |
0.077 |
2002 |
129.7 |
0.014 |
2003 |
73.9 |
0.073 |
2004 |
67.2 |
0.131 |
2005 |
64.4 |
0.184 |
2006 |
63.3 |
0.215 |
2007 |
58.4 |
0.572 |
2008 |
61.7 |
0.283 |
2009 |
61.3 |
0.300 |
2010 |
53.5 |
3.610 |
2011 |
48.6 |
1.427 |
2012 |
59.8 |
0.411 |
2013 |
59.1 |
0.476 |
2014 |
59.2 |
0.469 |
2015 |
54.9 |
1.891 |
2016 |
58.6 |
0.540 |
2017 |
58.5 |
0.551 |
2018 |
58.3 |
0.583 |
2019 |
58.1 |
0.619 |
2020 |
58.0 |
0.628 |
2021 |
57.9 |
0.650 |
2022 |
48.7 |
1.446 |
2023 |
51.6 |
5.358 |
2024 |
56.4 |
1.055 |
2025 |
53.6 |
3.473 |
2026 |
53.3 |
3.994 |
2027 |
57.3 |
0.788 |
2028 |
55.8 |
1.317 |
2029 |
57.1 |
0.831 |
2030 |
52.3 |
5.422 |
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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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ORBITAL ELEMENTS SOLUTION #3
Period (P) | 386.9y | |
Periastron (T) | 2000.7y | |
Semi-major axis (a) | 1.1a | |
Eccentricity (e) | 0.965 | |
Inclination (i) | 100.6° | |
Longitude of periastron (ω) | 169.1° | |
Node (Ω) | 51.1° | |
Notes | n | |
Reference | Gns2014b | |
Equinox | | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
357.9 |
0.016 |
2001 |
222.1 |
0.036 |
2002 |
103.0 |
0.026 |
2003 |
73.6 |
0.074 |
2004 |
67.6 |
0.121 |
2005 |
64.9 |
0.164 |
2006 |
63.2 |
0.205 |
2007 |
62.2 |
0.243 |
2008 |
61.4 |
0.279 |
2009 |
60.7 |
0.314 |
2010 |
60.2 |
0.347 |
2011 |
59.8 |
0.378 |
2012 |
59.5 |
0.409 |
2013 |
59.2 |
0.439 |
2014 |
58.9 |
0.467 |
2015 |
58.7 |
0.495 |
2016 |
58.5 |
0.522 |
2017 |
58.3 |
0.548 |
2018 |
58.1 |
0.574 |
2019 |
57.9 |
0.599 |
2020 |
57.8 |
0.624 |
2021 |
57.7 |
0.648 |
2022 |
57.5 |
0.671 |
2023 |
57.4 |
0.694 |
2024 |
57.3 |
0.716 |
2025 |
57.2 |
0.738 |
2026 |
57.1 |
0.760 |
2027 |
57.0 |
0.781 |
2028 |
56.9 |
0.802 |
2029 |
56.8 |
0.822 |
2030 |
56.8 |
0.842 |
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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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