04148+2813 GHE 2 Aa,Ab
04h 14m 49.28s +28° 12' 30.6" P.A. 253.00 sep 0.1 mag 15.90,16.00 Sp M3.5+M3.5
Coord 2000 |
04148+2813 |
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Discov num |
GHE 2 |
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Comp |
Aa,Ab |
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Coord arcsec 2000 |
04 14 49.28 +28 12 30.6 |
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Date first |
1991 |
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Date last |
2015 |
|
Obs |
22 |
|
Pa first |
180 |
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Pa last |
253.2 |
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P.A. Now (θ) |
253.2° |
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Sep first |
0.2 |
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Sep last |
0.124 |
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Sep. Now (ρ) |
0.124" |
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Mag pri |
15.90 |
|
Mag sec |
16.00 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
M3.5+M3.5 (red/red) |
|
Pri motion ra |
+007 |
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Sec motion ra |
|
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Pri motion dec |
-027 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
04148+2813 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
04 14 49 +28 12 31 |
GHE 2 Aa,Ab |
2015 |
22 |
253 |
0.1 |
15.90 |
16.00 |
0.10 |
Y |
<=== |
Show |
|
|
04 14 49 +28 12 31 |
KSA 5 AB |
2015 |
11 |
251 |
26.1 |
9.70 |
15.70 |
6.00 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
Gaia DR2 |
163183644576299264 |
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ORBITAL ELEMENTS
Period (P) | 194y | |
Periastron (T) | 2023.12y | |
Semi-major axis (a) | 0.219a | |
Eccentricity (e) | 0.449 | |
Inclination (i) | 38.7° | |
Longitude of periastron (ω) | 206.9° | |
Node (Ω) | 83.8° | |
Notes | n | |
Reference | Tam2002 | |
Equinox | | |
Last observation | 2001 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
202.8 |
0.147 |
2001 |
205.7 |
0.146 |
2002 |
208.7 |
0.144 |
2003 |
211.7 |
0.143 |
2004 |
214.7 |
0.142 |
2005 |
217.8 |
0.140 |
2006 |
221.0 |
0.139 |
2007 |
224.2 |
0.138 |
2008 |
227.5 |
0.137 |
2009 |
230.9 |
0.136 |
2010 |
234.2 |
0.135 |
2011 |
237.7 |
0.134 |
2012 |
241.2 |
0.133 |
2013 |
244.7 |
0.132 |
2014 |
248.3 |
0.131 |
2015 |
252.0 |
0.129 |
2016 |
255.7 |
0.128 |
2017 |
259.6 |
0.127 |
2018 |
263.5 |
0.125 |
2019 |
267.5 |
0.123 |
2020 |
271.6 |
0.122 |
2021 |
275.9 |
0.120 |
2022 |
280.3 |
0.118 |
2023 |
284.8 |
0.116 |
2024 |
289.5 |
0.114 |
2025 |
294.4 |
0.112 |
2026 |
299.4 |
0.111 |
2027 |
304.5 |
0.109 |
2028 |
309.8 |
0.108 |
2029 |
315.2 |
0.107 |
2030 |
320.6 |
0.107 |
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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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