04589+6435 GNO 1
04h 58m 53.90s +64° 34' 52.6" P.A. 59.00 sep 0.1 mag 17.50,18.48 Sp T8.5+T9
Coord 2000 |
04589+6435 |
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Discov num |
GNO 1 |
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Comp |
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Coord arcsec 2000 |
04 58 53.90 +64 34 52.6 |
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Date first |
2010 |
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Date last |
2018 |
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Obs |
10 |
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Pa first |
320 |
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Pa last |
59.2 |
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P.A. Now (θ) |
59.2° |
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Sep first |
0.5 |
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Sep last |
0.132 |
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Sep. Now (ρ) |
0.132" |
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Mag pri |
17.50 |
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Mag sec |
18.48 |
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delta mag (ΔM) |
0.98 |
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Spectral class |
T8.5+T9 (brown dwarf/brown dwarf) |
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Pri motion ra |
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Sec motion ra |
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Pri motion dec |
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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.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Camelopardalis |
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ORBITAL ELEMENTS
Period (P) | 43y | ± 12 |
Periastron (T) | 51994d (2001.231y) | ± 18 |
Semi-major axis (a) | 540m | ± 70 |
Eccentricity (e) | 0.18 | ± 0.18 |
Inclination (i) | 76.5° | ± 2.3 |
Longitude of periastron (ω) | 110° | ± 130 |
Node (Ω) | 132° | ± 2.1 |
Notes | n | |
Reference | Leg2019 | |
Equinox | | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
242.5 |
0.110 |
2001 |
274.9 |
0.164 |
2002 |
289.5 |
0.236 |
2003 |
297.2 |
0.307 |
2004 |
302.1 |
0.370 |
2005 |
305.7 |
0.422 |
2006 |
308.6 |
0.460 |
2007 |
311.1 |
0.486 |
2008 |
313.4 |
0.498 |
2009 |
315.6 |
0.498 |
2010 |
318.0 |
0.486 |
2011 |
320.4 |
0.464 |
2012 |
323.2 |
0.433 |
2013 |
326.5 |
0.395 |
2014 |
330.5 |
0.352 |
2015 |
335.7 |
0.304 |
2016 |
343.0 |
0.256 |
2017 |
353.5 |
0.209 |
2018 |
9.4 |
0.170 |
2019 |
32.2 |
0.148 |
2020 |
57.7 |
0.153 |
2021 |
78.3 |
0.181 |
2022 |
92.2 |
0.224 |
2023 |
101.5 |
0.272 |
2024 |
107.9 |
0.322 |
2025 |
112.6 |
0.370 |
2026 |
116.2 |
0.416 |
2027 |
119.1 |
0.457 |
2028 |
121.6 |
0.493 |
2029 |
123.8 |
0.523 |
2030 |
125.7 |
0.545 |
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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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