03446+2754 BU 1041 BC
03h 44m 45.00s +27° 55' 15.8" P.A. 321.00 sep 35.1 mag 6.91,12.42 Sp G2IV dist. 64.72 pc (211.12 l.y.)
Coord 2000 |
03446+2754 |
|
Discov num |
BU 1041 |
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Comp |
BC |
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Coord arcsec 2000 |
03 44 45.00 +27 55 15.8 |
|
Date first |
1888 |
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Date last |
2017 |
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Obs |
18 |
|
Pa first |
348 |
|
Pa last |
320.8 |
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P.A. Now (θ) |
320.8° |
|
Sep first |
7.9 |
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Sep last |
35.09 |
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Sep. Now (ρ) |
35.09" |
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Mag pri |
6.91 |
|
Mag sec |
12.42 |
|
delta mag (ΔM) |
5.51 |
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Spectral class |
G2IV (yellow) |
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Pri motion ra |
+157 |
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Sec motion ra |
-002 |
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Pri motion dec |
-165 |
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Sec motion dec |
-004 |
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Notes |
N
L
(See Notes, Linear solution) |
|
rPM=0.994
This double is not physical.
03446+2754 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 23245 |
76122 |
03 44 37 +27 53 52 |
STTA 38 AB |
2017 |
43 |
53 |
135.4 |
6.78 |
6.91 |
0.13 |
|
|
Show |
|
76124 |
03 44 45 +27 55 16 |
BU 1041 BC |
2017 |
18 |
321 |
35.1 |
6.91 |
12.42 |
5.51 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
SAO |
76124 |
|
HIP |
17482 |
|
Tycho2 |
1807-00067-1 |
|
Gaia DR2 |
71576252759892480 |
|
HD |
23257 |
|
GC |
4472 |
|
BD |
BD+27 558 |
|
Distance |
64.72 |
|
Distance ly |
211.12 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 03447+2755 STT4038 B |
coord_arcsec_2000 | 034444.90+275517.3 |
Period (P) | 699d | ± 28 |
Periastron (T) | 48535d (1991.76y) | ± 228 |
Semi-major axis (a) | 13.2m | ± 2.5 |
Eccentricity (e) | 0.27 | ± 0.22 |
Inclination (i) | 132° | ± 10 |
Longitude of periastron (ω) | 100° | ± 96 |
Node (Ω) | 205° | ± 94 |
Notes | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
341.0 |
0.012 |
2001-01-01 |
200.1 |
0.012 |
2002-01-01 |
327.9 |
0.012 |
2003-01-01 |
186.5 |
0.011 |
2004-01-01 |
313.8 |
0.011 |
2005-01-01 |
166.8 |
0.009 |
2006-01-01 |
299.2 |
0.011 |
2007-01-01 |
134.9 |
0.007 |
2008-01-01 |
284.7 |
0.011 |
2009-01-01 |
92.7 |
0.007 |
2010-01-01 |
270.9 |
0.012 |
2011-01-01 |
59.9 |
0.008 |
2012-01-01 |
258.4 |
0.012 |
2013-01-01 |
39.2 |
0.010 |
2014-01-01 |
247.0 |
0.013 |
2015-01-01 |
24.4 |
0.012 |
2016-01-01 |
236.5 |
0.013 |
2017-01-01 |
12.0 |
0.012 |
2018-01-01 |
226.7 |
0.014 |
2019-01-01 |
0.3 |
0.013 |
2020-01-01 |
217.1 |
0.014 |
2021-01-01 |
348.5 |
0.012 |
2022-01-01 |
206.9 |
0.013 |
2023-01-01 |
335.9 |
0.012 |
2024-01-01 |
195.1 |
0.012 |
2025-01-01 |
322.4 |
0.011 |
2026-01-01 |
179.6 |
0.010 |
2027-01-01 |
308.0 |
0.011 |
2028-01-01 |
155.9 |
0.008 |
2029-01-01 |
293.4 |
0.011 |
2030-01-01 |
118.3 |
0.006 |
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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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