10297+8415 DRS 28 (HD 89571)
10h 29m 42.21s +84° 15' 07.6" P.A. 212.00 sep 2.1 mag 4.87,9.41 Sp F0IV dist. 40.63 pc (132.54 l.y.)
| Coord 2000 |
10297+8415 |
|
Discov num |
DRS 28 |
|
Comp |
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Coord arcsec 2000 |
10 29 42.21 +84 15 07.6 |
|
| Date first |
2008 |
|
Date last |
2008 |
|
Obs |
2 |
|
| Pa first |
212 |
|
Pa last |
212.4 |
|
P.A. Now (θ) |
212.4° |
|
| Sep first |
2.1 |
|
Sep last |
2.08 |
|
Sep. Now (ρ) |
2.08" |
|
| Mag pri |
4.87 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
4.54 |
|
Spectral class |
F0IV (yellow-white) |
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| Pri motion ra |
-129 |
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Sec motion ra |
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| Pri motion dec |
-041 |
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Sec motion dec |
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| Notes |
N
K
(See Notes, 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
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 89571 |
|
Constellation |
Camelopardalis |
|
SAO |
1701 |
|
HIP |
51384 |
|
| Tycho2 |
4632-02149-1 |
|
Gaia DR2 |
1147856436791843456 |
|
HD |
89571 |
|
HR |
4062 |
|
| GC |
14305 |
|
BD |
BD+84 234 |
|
Distance |
40.63 |
|
Distance ly |
132.54 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 10297+8415 |
| coord_arcsec_2000 | 102942.21+841507.6 |
| Period (P) | 804.9264d (2.2y) | ± 12.4791 |
Periastron (T) | 48128.7227d (1990.648y) | ± 43.6975 |
Semi-major axis (a) | 14.21m | ± 0.62 |
| Eccentricity (e) | 0.2581 | ± 0.1072 |
Inclination (i) | 148.94° | ± 5.79 |
Longitude of periastron (ω) | 11.78° | ± 24.32 |
| Node (Ω) | 163.53° | ± 10.48 |
Notes | n | |
Reference | HIP1997d | |
| Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
31.0 |
0.014 |
| 2001-01-01 |
289.4 |
0.014 |
| 2002-01-01 |
68.3 |
0.011 |
| 2003-01-01 |
312.3 |
0.017 |
| 2004-01-01 |
120.1 |
0.010 |
| 2005-01-01 |
331.0 |
0.018 |
| 2006-01-01 |
171.6 |
0.011 |
| 2007-01-01 |
348.7 |
0.018 |
| 2008-01-01 |
219.5 |
0.011 |
| 2009-01-01 |
8.2 |
0.016 |
| 2010-01-01 |
261.2 |
0.012 |
| 2011-01-01 |
33.8 |
0.013 |
| 2012-01-01 |
291.8 |
0.015 |
| 2013-01-01 |
72.7 |
0.011 |
| 2014-01-01 |
314.2 |
0.017 |
| 2015-01-01 |
125.2 |
0.010 |
| 2016-01-01 |
332.7 |
0.018 |
| 2017-01-01 |
176.2 |
0.011 |
| 2018-01-01 |
350.4 |
0.017 |
| 2019-01-01 |
223.8 |
0.011 |
| 2020-01-01 |
10.3 |
0.016 |
| 2021-01-01 |
264.5 |
0.013 |
| 2022-01-01 |
36.8 |
0.013 |
| 2023-01-01 |
294.2 |
0.015 |
| 2024-01-01 |
77.2 |
0.011 |
| 2025-01-01 |
316.1 |
0.017 |
| 2026-01-01 |
130.2 |
0.010 |
| 2027-01-01 |
334.3 |
0.018 |
| 2028-01-01 |
180.8 |
0.011 |
| 2029-01-01 |
352.1 |
0.017 |
| 2030-01-01 |
228.0 |
0.011 |
|
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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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