14497+4843 STF 1890 (39 Boo)
14h 49m 41.37s +48° 43' 15.6" P.A. 46.00 sep 2.6 mag 6.31,6.67 Sp F6V+F5V dist. 68.59 pc (223.74 l.y.)
| Coord 2000 |
14497+4843 |
|
Discov num |
STF1890 |
|
Comp |
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Coord arcsec 2000 |
14 49 41.37 +48 43 15.6 |
|
| Date first |
1783 |
|
Date last |
2020 |
|
Obs |
192 |
|
| Pa first |
52 |
|
Pa last |
45.8 |
|
P.A. Now (θ) |
45.8° |
|
| Sep first |
4.0 |
|
Sep last |
2.56 |
|
Sep. Now (ρ) |
2.56" |
|
| Mag pri |
6.31 |
|
Mag sec |
6.67 |
|
delta mag (ΔM) |
0.36 |
|
Spectral class |
F6V+F5V (yellow-white/yellow-white) |
|
| Pri motion ra |
-078 |
|
Sec motion ra |
-078 |
|
| Pri motion dec |
+097 |
|
Sec motion dec |
+097 |
|
| Notes |
N
C
(See Notes, Has orbit and linear solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
39 Boo |
|
Constellation |
Bootes |
|
SAO |
45231 |
|
HIP |
72524 |
|
| Tycho2 |
3477-01328-1 |
|
Gaia DR2 |
1590752742798813824 |
|
HD |
131041 |
|
HR |
5538 |
|
| GC |
19972 |
|
ADS |
9406 |
|
BD |
BD+49 2326 |
|
Flamsteed |
39 Bootis |
|
| Flamsteed name |
39 Boo |
|
Distance |
68.59 |
|
Distance ly |
223.74 |
|
ORBITAL ELEMENTS
| Period (P) | 2114.1965y | ± 836.8098 |
Periastron (T) | 1596.8856y | ± 172.0175 |
Semi-major axis (a) | 7.82331a | ± 4.70673 |
| Eccentricity (e) | 0.74956 | ± 0.20287 |
Inclination (i) | 88.792° | ± 0.997 |
Longitude of periastron (ω) | 283.955° | ± 28.353 |
| Node (Ω) | 41.364° | ± 0.894 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
45.5 |
2.719 |
| 2001 |
45.5 |
2.711 |
| 2002 |
45.6 |
2.702 |
| 2003 |
45.6 |
2.694 |
| 2004 |
45.6 |
2.686 |
| 2005 |
45.6 |
2.678 |
| 2006 |
45.6 |
2.670 |
| 2007 |
45.7 |
2.661 |
| 2008 |
45.7 |
2.653 |
| 2009 |
45.7 |
2.645 |
| 2010 |
45.7 |
2.637 |
| 2011 |
45.8 |
2.628 |
| 2012 |
45.8 |
2.620 |
| 2013 |
45.8 |
2.612 |
| 2014 |
45.8 |
2.604 |
| 2015 |
45.8 |
2.595 |
| 2016 |
45.9 |
2.587 |
| 2017 |
45.9 |
2.579 |
| 2018 |
45.9 |
2.570 |
| 2019 |
45.9 |
2.562 |
| 2020 |
45.9 |
2.554 |
| 2021 |
46.0 |
2.545 |
| 2022 |
46.0 |
2.537 |
| 2023 |
46.0 |
2.528 |
| 2024 |
46.0 |
2.520 |
| 2025 |
46.1 |
2.512 |
| 2026 |
46.1 |
2.503 |
| 2027 |
46.1 |
2.495 |
| 2028 |
46.1 |
2.486 |
| 2029 |
46.2 |
2.478 |
| 2030 |
46.2 |
2.469 |
|
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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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