04570+7350 YSC 145
04h 57m 00.11s +73° 50' 22.1" P.A. 269.00 sep 0.1 mag 9.90,10.50 Sp G5 dist. 100 pc (326.2 l.y.)
| Coord 2000 |
04570+7350 |
|
Discov num |
YSC 145 |
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Comp |
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Coord arcsec 2000 |
04 57 00.11 +73 50 22.1 |
|
| Date first |
2009 |
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Date last |
2014 |
|
Obs |
9 |
|
| Pa first |
204 |
|
Pa last |
268.7 |
|
P.A. Now (θ) |
268.7° |
|
| Sep first |
0.0 |
|
Sep last |
0.053 |
|
Sep. Now (ρ) |
0.053" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.50 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
G5 (yellow) |
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| Pri motion ra |
+078 |
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Sec motion ra |
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| Pri motion dec |
-197 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Camelopardalis |
|
HIP |
23016 |
|
Tycho2 |
4354-00655-1 |
|
Gaia DR2 |
502524131551915264 |
|
| BD |
BD+73 257 |
|
Distance |
100 |
|
Distance ly |
326.2 |
|
ORBITAL ELEMENTS
| Period (P) | 12.526y | ± 0.188 |
Periastron (T) | 2019.499y | ± 0.075 |
Semi-major axis (a) | 0.0576a | ± 0.0005 |
| Eccentricity (e) | 0.087 | ± 0.008 |
Inclination (i) | 130.1° | ± 0.4 |
Longitude of periastron (ω) | 182.3° | ± 3.4 |
| Node (Ω) | 116.6° | ± 0.7 |
Notes | | |
Reference | Cve2020b | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
126.4 |
0.061 |
| 2001 |
110.6 |
0.062 |
| 2002 |
93.2 |
0.056 |
| 2003 |
69.1 |
0.045 |
| 2004 |
31.4 |
0.037 |
| 2005 |
348.5 |
0.040 |
| 2006 |
317.6 |
0.049 |
| 2007 |
294.5 |
0.053 |
| 2008 |
270.5 |
0.047 |
| 2009 |
236.7 |
0.039 |
| 2010 |
192.4 |
0.038 |
| 2011 |
157.6 |
0.047 |
| 2012 |
135.4 |
0.058 |
| 2013 |
118.8 |
0.063 |
| 2014 |
102.8 |
0.060 |
| 2015 |
83.1 |
0.051 |
| 2016 |
53.1 |
0.040 |
| 2017 |
10.2 |
0.037 |
| 2018 |
332.3 |
0.045 |
| 2019 |
306.3 |
0.052 |
| 2020 |
283.8 |
0.051 |
| 2021 |
256.3 |
0.043 |
| 2022 |
216.0 |
0.037 |
| 2023 |
173.9 |
0.042 |
| 2024 |
146.0 |
0.053 |
| 2025 |
127.2 |
0.061 |
| 2026 |
111.4 |
0.062 |
| 2027 |
94.2 |
0.056 |
| 2028 |
70.7 |
0.046 |
| 2029 |
33.7 |
0.037 |
| 2030 |
350.5 |
0.040 |
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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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