05055+1948 STT 95 (HD 32642)
05h 05m 32.08s +19° 48' 24.4" P.A. 293.00 sep 0.9 mag 7.02,7.56 Sp A5m dist. 137.74 pc (449.31 l.y.)
Coord 2000 |
05055+1948 |
|
Discov num |
STT 95 |
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Comp |
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Coord arcsec 2000 |
05 05 32.08 +19 48 24.4 |
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Date first |
1843 |
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Date last |
2021 |
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Obs |
209 |
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Pa first |
0 |
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Pa last |
292.7 |
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P.A. Now (θ) |
292.7° |
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Sep first |
0.5 |
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Sep last |
0.91 |
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Sep. Now (ρ) |
0.91" |
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Mag pri |
7.02 |
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Mag sec |
7.56 |
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delta mag (ΔM) |
0.54 |
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Spectral class |
A5m (white) |
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Pri motion ra |
-010 |
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Sec motion ra |
-010 |
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Pri motion dec |
-014 |
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Sec motion dec |
-014 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 32642 |
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Constellation |
Taurus |
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SAO |
94306 |
|
HIP |
23695 |
|
Tycho2 |
1290-01222-1 |
|
Gaia DR2 |
3407946770011920768 |
|
HD |
32642 |
|
HR |
1642 |
|
GC |
6211 |
|
ADS |
3672 |
|
BD |
BD+19 847 |
|
Distance |
137.74 |
|
Distance ly |
449.31 |
|
ORBITAL ELEMENTS
Period (P) | 760.34y | |
Periastron (T) | 1833.68y | |
Semi-major axis (a) | 3.03a | |
Eccentricity (e) | 0.97 | |
Inclination (i) | 100.7° | |
Longitude of periastron (ω) | 272.9° | |
Node (Ω) | 6.6° | |
Notes | | |
Reference | Jas1996b | |
Equinox | 2000 | |
Last observation | 1991 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
299.7 |
0.945 |
2001 |
299.5 |
0.946 |
2002 |
299.2 |
0.947 |
2003 |
299.0 |
0.948 |
2004 |
298.8 |
0.949 |
2005 |
298.6 |
0.950 |
2006 |
298.4 |
0.951 |
2007 |
298.2 |
0.953 |
2008 |
297.9 |
0.954 |
2009 |
297.7 |
0.955 |
2010 |
297.5 |
0.956 |
2011 |
297.3 |
0.957 |
2012 |
297.1 |
0.958 |
2013 |
296.9 |
0.959 |
2014 |
296.7 |
0.960 |
2015 |
296.4 |
0.961 |
2016 |
296.2 |
0.962 |
2017 |
296.0 |
0.963 |
2018 |
295.8 |
0.964 |
2019 |
295.6 |
0.965 |
2020 |
295.4 |
0.967 |
2021 |
295.2 |
0.968 |
2022 |
295.0 |
0.969 |
2023 |
294.8 |
0.970 |
2024 |
294.6 |
0.971 |
2025 |
294.3 |
0.972 |
2026 |
294.1 |
0.973 |
2027 |
293.9 |
0.974 |
2028 |
293.7 |
0.975 |
2029 |
293.5 |
0.976 |
2030 |
293.3 |
0.977 |
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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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