03390+4232 RAO 47
03h 38m 57.19s +42° 32' 17.8" P.A. 143.00 sep 1.8 mag 6.81,13.00 Sp G0 dist. 40.36 pc (131.65 l.y.)
| Coord 2000 |
03390+4232 |
|
Discov num |
RAO 47 |
|
Comp |
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Coord arcsec 2000 |
03 38 57.19 +42 32 17.8 |
|
| Date first |
2012 |
|
Date last |
2013 |
|
Obs |
2 |
|
| Pa first |
143 |
|
Pa last |
142.8 |
|
P.A. Now (θ) |
142.8° |
|
| Sep first |
1.7 |
|
Sep last |
1.76 |
|
Sep. Now (ρ) |
1.76" |
|
| Mag pri |
6.81 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
6.19 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-190 |
|
Sec motion ra |
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|
| Pri motion dec |
-131 |
|
Sec motion dec |
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|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Perseus |
|
SAO |
39015 |
|
HIP |
17022 |
|
Tycho2 |
2870-01220-1 |
|
| Gaia DR2 |
237507744398899200 |
|
HD |
22521 |
|
GC |
4335 |
|
BD |
BD+42 803 |
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| Distance |
40.36 |
|
Distance ly |
131.65 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 03390+4232 |
| coord_arcsec_2000 | 033857.34+423219.0 |
| Period (P) | 1093d (2.99y) | ± 82 |
Periastron (T) | 48699d (1992.209y) | ± 202 |
Semi-major axis (a) | 12.8m | ± 3.4 |
| Eccentricity (e) | 0.49 | ± 0.25 |
Inclination (i) | 66° | ± 7 |
Longitude of periastron (ω) | 140° | ± 128 |
| Node (Ω) | 252° | ± 98 |
Notes | | |
Reference | Gln2007 | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
241.2 |
0.017 |
| 2001-01-01 |
308.9 |
0.004 |
| 2002-01-01 |
193.3 |
0.007 |
| 2003-01-01 |
241.4 |
0.017 |
| 2004-01-01 |
312.7 |
0.004 |
| 2005-01-01 |
194.2 |
0.008 |
| 2006-01-01 |
241.6 |
0.017 |
| 2007-01-01 |
316.8 |
0.003 |
| 2008-01-01 |
195.1 |
0.008 |
| 2009-01-01 |
241.8 |
0.017 |
| 2010-01-01 |
321.4 |
0.003 |
| 2011-01-01 |
196.0 |
0.008 |
| 2012-01-01 |
241.9 |
0.017 |
| 2013-01-01 |
326.3 |
0.003 |
| 2014-01-01 |
196.9 |
0.008 |
| 2015-01-01 |
242.1 |
0.017 |
| 2016-01-01 |
331.5 |
0.003 |
| 2017-01-01 |
197.7 |
0.008 |
| 2018-01-01 |
242.3 |
0.017 |
| 2019-01-01 |
336.9 |
0.003 |
| 2020-01-01 |
198.5 |
0.008 |
| 2021-01-01 |
242.5 |
0.017 |
| 2022-01-01 |
342.6 |
0.003 |
| 2023-01-01 |
199.4 |
0.008 |
| 2024-01-01 |
242.7 |
0.017 |
| 2025-01-01 |
348.5 |
0.003 |
| 2026-01-01 |
200.1 |
0.008 |
| 2027-01-01 |
242.8 |
0.017 |
| 2028-01-01 |
354.3 |
0.003 |
| 2029-01-01 |
200.9 |
0.008 |
| 2030-01-01 |
243.0 |
0.017 |
|
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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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