07093-1021 SNA 5 (HD 54662)
07h 09m 20.25s -10° 20' 47.7" P.A. 217.00 sep 0.0 mag 6.80,7.10 Sp O7V dist. 632.91 pc (2064.55 l.y.)
Coord 2000 |
07093-1021 |
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Discov num |
SNA 5 |
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Comp |
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Coord arcsec 2000 |
07 09 20.25 -10 20 47.7 |
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Date first |
2009 |
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Date last |
2014 |
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Obs |
19 |
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Pa first |
258 |
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Pa last |
217.1 |
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P.A. Now (θ) |
217.1° |
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Sep first |
0.0 |
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Sep last |
0.008 |
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Sep. Now (ρ) |
0.008" |
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Mag pri |
6.80 |
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Mag sec |
7.10 |
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delta mag (ΔM) |
0.3 |
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Spectral class |
O7V (blue) |
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Pri motion ra |
-002 |
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Sec motion ra |
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Pri motion dec |
+004 |
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Sec motion dec |
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Notes |
N
V
K
(See Notes, Proper motion indicates physical, 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
Name |
HD 54662 |
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Constellation |
Monoceros |
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SAO |
152470 |
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HIP |
34536 |
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Tycho2 |
5398-03008-1 |
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Gaia DR2 |
3046582725837564800 |
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HD |
54662 |
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HR |
2694 |
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GC |
9459 |
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BD |
BD-10 1892 |
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Distance |
632.91 |
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Distance ly |
2064.55 |
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ORBITAL ELEMENTS
Period (P) | 2103.3d (5.76y) | ± 4.3 |
Periastron (T) | 54045d (2006.846y) | ± 32 |
Semi-major axis (a) | 10.383m | ± 0.065 |
Eccentricity (e) | 0.06 | ± 0.01 |
Inclination (i) | 74.87° | ± 0.43 |
Longitude of periastron (ω) | 72.4° | ± 5.5 |
Node (Ω) | 23.36° | ± 0.39 |
Notes | | |
Reference | LeB2017 | |
Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
22.8 |
0.010 |
2001-01-01 |
54.0 |
0.005 |
2002-01-01 |
189.0 |
0.007 |
2003-01-01 |
208.1 |
0.010 |
2004-01-01 |
246.1 |
0.004 |
2005-01-01 |
6.6 |
0.007 |
2006-01-01 |
27.0 |
0.010 |
2007-01-01 |
89.0 |
0.003 |
2008-01-01 |
195.2 |
0.009 |
2009-01-01 |
212.5 |
0.009 |
2010-01-01 |
284.5 |
0.003 |
2011-01-01 |
13.2 |
0.009 |
2012-01-01 |
32.0 |
0.009 |
2013-01-01 |
147.9 |
0.003 |
2014-01-01 |
199.8 |
0.010 |
2015-01-01 |
218.2 |
0.008 |
2016-01-01 |
330.6 |
0.004 |
2017-01-01 |
18.0 |
0.010 |
2018-01-01 |
38.9 |
0.007 |
2019-01-01 |
176.1 |
0.005 |
2020-01-01 |
203.7 |
0.011 |
2021-01-01 |
226.8 |
0.006 |
2022-01-01 |
354.1 |
0.005 |
2023-01-01 |
22.2 |
0.010 |
2024-01-01 |
51.3 |
0.005 |
2025-01-01 |
187.8 |
0.007 |
2026-01-01 |
207.6 |
0.010 |
2027-01-01 |
242.7 |
0.004 |
2028-01-01 |
5.5 |
0.007 |
2029-01-01 |
26.4 |
0.010 |
2030-01-01 |
81.6 |
0.003 |
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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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