02424+3837 EVT 1 Aa,Ab
02h 42m 21.31s +38° 37' 07.2" P.A. 290.00 sep 0.0 mag 7.11,10.00 Sp G5 dist. 45.45 pc (148.26 l.y.)
Coord 2000 |
02424+3837 |
|
Discov num |
EVT 1 |
|
Comp |
Aa,Ab |
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Coord arcsec 2000 |
02 42 21.31 +38 37 07.2 |
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Date first |
2008 |
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Date last |
2009 |
|
Obs |
6 |
|
Pa first |
46 |
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Pa last |
290.2 |
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P.A. Now (θ) |
290.2° |
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Sep first |
0.0 |
|
Sep last |
0.025 |
|
Sep. Now (ρ) |
0.025" |
|
Mag pri |
7.11 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
2.89 |
|
Spectral class |
G5 (yellow) |
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Pri motion ra |
+077 |
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Sec motion ra |
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Pri motion dec |
-108 |
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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.
02424+3837 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
55798 |
02 42 21 +38 37 07 |
EVT 1 Aa,Ab |
2009 |
6 |
290 |
0.0 |
7.11 |
10.00 |
2.89 |
Y |
<=== |
Show |
HD 16760 |
55798 |
02 42 21 +38 37 07 |
AG 49 AB |
2019 |
26 |
344 |
14.3 |
8.84 |
10.38 |
1.54 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Perseus |
|
SAO |
55798 |
|
HIP |
12638 |
|
Tycho2 |
2845-02243-1 |
|
Gaia DR2 |
334156706263100416 |
|
HD |
16760 |
|
BD |
BD+37 604 |
|
Distance |
45.45 |
|
Distance ly |
148.26 |
|
ORBITAL ELEMENTS
Period (P) | 466.5d | ± 0.4 |
Periastron (T) | 53336.5m (2004.908y) | ± 3 |
Semi-major axis (a) | 25.5m | ± 2.8 |
Eccentricity (e) | 0.084 | ± 0.003 |
Inclination (i) | 2.6° | ± 0.5 |
Longitude of periastron (ω) | 243° | ± 2 |
Node (Ω) | 86.9° | ± 1.1 |
Notes | | |
Reference | EvT2012 | |
Equinox | | |
Last observation | 2009 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
35.1 |
0.024 |
2001-01-01 |
304.5 |
0.024 |
2002-01-01 |
221.0 |
0.026 |
2003-01-01 |
151.8 |
0.028 |
2004-01-01 |
83.0 |
0.026 |
2005-01-01 |
0.5 |
0.024 |
2006-01-01 |
269.6 |
0.024 |
2007-01-01 |
192.7 |
0.027 |
2008-01-01 |
125.6 |
0.027 |
2009-01-01 |
52.8 |
0.025 |
2010-01-01 |
324.2 |
0.023 |
2011-01-01 |
237.4 |
0.025 |
2012-01-01 |
166.0 |
0.028 |
2013-01-01 |
98.5 |
0.027 |
2014-01-01 |
19.6 |
0.024 |
2015-01-01 |
288.3 |
0.024 |
2016-01-01 |
207.9 |
0.026 |
2017-01-01 |
139.9 |
0.028 |
2018-01-01 |
69.6 |
0.026 |
2019-01-01 |
344.1 |
0.023 |
2020-01-01 |
254.6 |
0.025 |
2021-01-01 |
180.4 |
0.027 |
2022-01-01 |
113.4 |
0.027 |
2023-01-01 |
38.0 |
0.025 |
2024-01-01 |
307.7 |
0.023 |
2025-01-01 |
223.6 |
0.026 |
2026-01-01 |
154.1 |
0.028 |
2027-01-01 |
85.6 |
0.026 |
2028-01-01 |
3.7 |
0.024 |
2029-01-01 |
272.6 |
0.024 |
2030-01-01 |
195.2 |
0.027 |
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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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