02424+3837 EVT 1Aa,Ab
02h 42m 21.31s +38° 37' 07.2" P.A. 290 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 |
|
Coord arcsec 2000 |
02 42 21.31 +38 37 07.2 |
|
Date first |
2008 |
|
Date last |
2009 |
|
Obs |
6 |
|
Pa first |
46 |
|
Pa last |
290 |
|
P.A. Now (θ) |
290° |
|
Sep first |
0.0 |
|
Sep last |
0.0 |
|
Sep. Now (ρ) |
0" |
|
Mag pri |
7.11 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
2.89 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+077 |
|
Sec motion ra |
|
|
Pri motion dec |
-108 |
|
Sec motion dec |
|
|
Notes |
|
|
This double is physical.
02424+3837 SYSTEM COMPONENTS
Show |
name |
SAO |
coord_2000 |
discov# |
comp |
first |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
55798 |
02424+3837 |
EVT 1 |
Aa,Ab |
2008 |
2009 |
6 |
290 |
0.0 |
7.11 |
10.00 |
2.89 |
Y |
<=== |
Show |
|
55798 |
02424+3837 |
AG 49 |
AB |
1902 |
2015 |
21 |
344 |
14.4 |
8.84 |
10.38 |
1.54 |
|
|
Triple system
2 visible stars in this system
OTHER CATALOGS AND DESIGNATIONS
Precise pa |
290.2 |
|
Precise sep |
0.025 |
|
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 |
|
last precise pa |
290.2 |
|
last precise sep |
0.025 |
|
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 |
Note | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
Equinox | | |
Last observation | 2009 | |
label |
rho |
theta |
2000-01-01 |
0.024 |
35.1 |
2001-01-01 |
0.024 |
304.5 |
2002-01-01 |
0.026 |
221.0 |
2003-01-01 |
0.028 |
151.8 |
2004-01-01 |
0.026 |
83.0 |
2005-01-01 |
0.024 |
0.5 |
2006-01-01 |
0.024 |
269.6 |
2007-01-01 |
0.027 |
192.7 |
2008-01-01 |
0.027 |
125.6 |
2009-01-01 |
0.025 |
52.8 |
2010-01-01 |
0.023 |
324.2 |
2011-01-01 |
0.025 |
237.4 |
2012-01-01 |
0.028 |
166.0 |
2013-01-01 |
0.027 |
98.5 |
2014-01-01 |
0.024 |
19.6 |
2015-01-01 |
0.024 |
288.3 |
2016-01-01 |
0.026 |
207.9 |
2017-01-01 |
0.028 |
139.9 |
2018-01-01 |
0.026 |
69.6 |
2019-01-01 |
0.023 |
344.1 |
2020-01-01 |
0.025 |
254.6 |
2021-01-01 |
0.027 |
180.4 |
2022-01-01 |
0.027 |
113.4 |
2023-01-01 |
0.025 |
38.0 |
2024-01-01 |
0.023 |
307.7 |
2025-01-01 |
0.026 |
223.6 |
2026-01-01 |
0.028 |
154.1 |
2027-01-01 |
0.026 |
85.6 |
2028-01-01 |
0.024 |
3.7 |
2029-01-01 |
0.024 |
272.6 |
2030-01-01 |
0.027 |
195.2 |
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 |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
02424+3837 |
EVT 1 |
Aa,Ab |
2009 |
6 |
290 |
0.0 |
7.11 |
10.00 |
G5 |
O K |
024221.31+383707.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 02424+3837 EVT 1AA,AB : NOTES
discov_num |
notes |
refcode |
EVT 1 |
Aa,Ab: Exo-planet host |
Tok2014d |
REFERENCES
refcode |
metd |
author |
reference |
EvT2012 |
Am j |
Evans, T.M., Ireland, M.J., Kraus, A.L., Martinache, F., Stewart, P., |
2012ApJ...744..120E |
EvT2012 |
+orb |
Tuthill, P.G., Lacour, S., Carpenter, J.M., & Hillenbrand, L.A. |
|
EvT2012 |
+A |
ApJ 744, 120, 2012 |
|
Tok2014d |
E2 - |
Tokovinin, A. |
2014AJ....147...86T |
Tok2014d |
|
AJ 147, 86, 2014 |
|
DISCOVERER
discov |
author |
EVT |
Evans, T.M., Ireland, M.J., Kraus, A.L., Martinache, F., Stewart, P., |
WDS 02424+3837 EVT 1AA,AB : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 02424+3837 EVT 1AA,AB : MEASURES
No records found.
WDS 02424+3837 EVT 1Aa,Ab : Virtual Eyepiece
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Radius:
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WDS 02424+3837 EVT 1Aa,Ab : Aladin DSS image @ 02h 42m 21.31s +38° 37' 07.2"