04469-6036 GAA 6 Aa,Ab (HD 30791)
04h 46m 52.25s -60° 36' 12.6" P.A. 224.00 sep 0.0 mag 7.20,7.20 Sp F8V dist. 62.23 pc (202.99 l.y.)
| Coord 2000 |
04469-6036 |
|
Discov num |
GAA 6 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 46 52.25 -60 36 12.6 |
|
| Date first |
2015 |
|
Date last |
2017 |
|
Obs |
19 |
|
| Pa first |
224 |
|
Pa last |
223.5 |
|
P.A. Now (θ) |
223.5° |
|
| Sep first |
0.0 |
|
Sep last |
0.002 |
|
Sep. Now (ρ) |
0.002" |
|
| Mag pri |
7.20 |
|
Mag sec |
7.20 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
+050 |
|
Sec motion ra |
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|
| Pri motion dec |
+131 |
|
Sec motion dec |
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| Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
04469-6036 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 30791 |
249105 |
04 46 52 -60 36 13 |
GAA 6 Aa,Ab |
2017 |
19 |
224 |
0.0 |
7.20 |
7.20 |
0.00 |
Y |
<=== |
| Show |
|
|
04 46 52 -60 36 13 |
TOK 388 AB |
2021 |
3 |
274 |
0.3 |
8.00 |
9.00 |
1.00 |
|
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Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 30791 |
|
Constellation |
Dorado |
|
SAO |
249105 |
|
HIP |
22229 |
|
| Tycho2 |
8876-00577-1 |
|
HD |
30791 |
|
GC |
5862 |
|
CP |
CP-60 341 |
|
| Distance |
62.23 |
|
Distance ly |
202.99 |
|
ORBITAL ELEMENTS
| Period (P) | 14.90537d | ± 0.00001 |
Periastron (T) | 7764.791d (1880.135y) | ± 0.002 |
Semi-major axis (a) | 2.344m | ± 0.009 |
| Eccentricity (e) | 0.1952 | ± 0.0001 |
Inclination (i) | 91.21° | ± 0.11 |
Longitude of periastron (ω) | 110.36° | ± 0.03 |
| Node (Ω) | 223.83° | ± 0.07 |
Notes | n | |
Reference | GaA2019 | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
43.5 |
0.002 |
| 2001-01-01 |
224.3 |
0.002 |
| 2002-01-01 |
43.4 |
0.002 |
| 2003-01-01 |
224.3 |
0.002 |
| 2004-01-01 |
43.3 |
0.002 |
| 2005-01-01 |
224.2 |
0.002 |
| 2006-01-01 |
43.2 |
0.002 |
| 2007-01-01 |
224.1 |
0.002 |
| 2008-01-01 |
43.1 |
0.002 |
| 2009-01-01 |
224.1 |
0.002 |
| 2010-01-01 |
43.1 |
0.002 |
| 2011-01-01 |
224.0 |
0.002 |
| 2012-01-01 |
43.0 |
0.002 |
| 2013-01-01 |
224.0 |
0.002 |
| 2014-01-01 |
42.9 |
0.002 |
| 2015-01-01 |
223.9 |
0.002 |
| 2016-01-01 |
42.8 |
0.002 |
| 2017-01-01 |
223.9 |
0.002 |
| 2018-01-01 |
42.7 |
0.002 |
| 2019-01-01 |
223.8 |
0.002 |
| 2020-01-01 |
42.6 |
0.002 |
| 2021-01-01 |
223.8 |
0.002 |
| 2022-01-01 |
42.5 |
0.002 |
| 2023-01-01 |
223.7 |
0.002 |
| 2024-01-01 |
42.3 |
0.002 |
| 2025-01-01 |
223.6 |
0.002 |
| 2026-01-01 |
42.2 |
0.002 |
| 2027-01-01 |
223.6 |
0.002 |
| 2028-01-01 |
42.0 |
0.001 |
| 2029-01-01 |
223.5 |
0.002 |
| 2030-01-01 |
41.9 |
0.001 |
|
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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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