09414+3857 STF 1374 AB (HD 83698)
09h 41m 21.88s +38° 57' 01.9" P.A. 312.00 sep 2.8 mag 7.28,8.65 Sp G3IV dist. 51.28 pc (167.28 l.y.)
Coord 2000 |
09414+3857 |
|
Discov num |
STF1374 |
|
Comp |
AB |
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Coord arcsec 2000 |
09 41 21.88 +38 57 01.9 |
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Date first |
1828 |
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Date last |
2019 |
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Obs |
170 |
|
Pa first |
275 |
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Pa last |
311.9 |
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P.A. Now (θ) |
311.9° |
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Sep first |
3.3 |
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Sep last |
2.776 |
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Sep. Now (ρ) |
2.776" |
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Mag pri |
7.28 |
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Mag sec |
8.65 |
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delta mag (ΔM) |
1.37 |
|
Spectral class |
G3IV (yellow) |
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Pri motion ra |
+083 |
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Sec motion ra |
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Pri motion dec |
-136 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
09414+3857 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 83698 |
61629 |
09 41 22 +38 57 02 |
STF 1374 AB |
2019 |
170 |
312 |
2.8 |
7.28 |
8.65 |
1.37 |
Y |
<=== |
Show |
|
61629 |
09 41 22 +38 57 02 |
ABT 7 AC |
2015 |
4 |
10 |
307.3 |
7.28 |
13.13 |
5.85 |
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 83698 |
|
Constellation |
Leo Minor |
|
SAO |
61629 |
|
HIP |
47527 |
|
Tycho2 |
2992-01245-1 |
|
Gaia DR2 |
800779854724018816 |
|
HD |
83698 |
|
GC |
13361 |
|
ADS |
7477 |
|
BD |
BD+39 2271 |
|
Distance |
51.28 |
|
Distance ly |
167.28 |
|
ORBITAL ELEMENTS
Period (P) | 1815.6124y | ± 833.2606 |
Periastron (T) | 1709.621y | ± 248.7598 |
Semi-major axis (a) | 10.43453a | ± 6.12488 |
Eccentricity (e) | 0.85356 | ± 0.11261 |
Inclination (i) | 79.718° | ± 9.103 |
Longitude of periastron (ω) | 106.457° | ± 25.365 |
Node (Ω) | 75.058° | ± 18.545 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
307.0 |
2.854 |
2001 |
307.3 |
2.851 |
2002 |
307.5 |
2.847 |
2003 |
307.8 |
2.844 |
2004 |
308.0 |
2.840 |
2005 |
308.3 |
2.837 |
2006 |
308.5 |
2.833 |
2007 |
308.8 |
2.830 |
2008 |
309.0 |
2.826 |
2009 |
309.3 |
2.823 |
2010 |
309.5 |
2.820 |
2011 |
309.8 |
2.816 |
2012 |
310.0 |
2.813 |
2013 |
310.3 |
2.810 |
2014 |
310.5 |
2.807 |
2015 |
310.8 |
2.804 |
2016 |
311.0 |
2.801 |
2017 |
311.3 |
2.798 |
2018 |
311.6 |
2.795 |
2019 |
311.8 |
2.792 |
2020 |
312.1 |
2.789 |
2021 |
312.3 |
2.786 |
2022 |
312.6 |
2.783 |
2023 |
312.8 |
2.780 |
2024 |
313.1 |
2.778 |
2025 |
313.4 |
2.775 |
2026 |
313.6 |
2.772 |
2027 |
313.9 |
2.770 |
2028 |
314.1 |
2.767 |
2029 |
314.4 |
2.765 |
2030 |
314.7 |
2.762 |
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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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