03503+2535 STT 65 (NSV1366)
03h 50m 18.91s +25° 34' 46.7" P.A. 204.00 sep 0.6 mag 5.73,6.52 Sp A2V+A5V dist. 56.47 pc (184.21 l.y.)
| Coord 2000 |
03503+2535 |
|
Discov num |
STT 65 |
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Comp |
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Coord arcsec 2000 |
03 50 18.91 +25 34 46.7 |
|
| Date first |
1846 |
|
Date last |
2022 |
|
Obs |
243 |
|
| Pa first |
202 |
|
Pa last |
204.1 |
|
P.A. Now (θ) |
203.3° |
|
| Sep first |
0.7 |
|
Sep last |
0.558 |
|
Sep. Now (ρ) |
0.607" |
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| Mag pri |
5.73 |
|
Mag sec |
6.52 |
|
delta mag (ΔM) |
0.79 |
|
Spectral class |
A2V+A5V (white/white) |
|
| Pri motion ra |
+043 |
|
Sec motion ra |
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| Pri motion dec |
-112 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV1366 |
|
Constellation |
Taurus |
|
SAO |
76256 |
|
HIP |
17954 |
|
| Tycho2 |
1804-02519-1 |
|
Gaia DR2 |
66975861748145152 |
|
HD |
23985 |
|
HR |
1188 |
|
| GC |
4616 |
|
ADS |
2799 |
|
BD |
BD+25 624 |
|
Distance |
56.47 |
|
| Distance ly |
184.21 |
|
ORBITAL ELEMENTS
| Period (P) | 61.2y | ± 0.1 |
Periastron (T) | 1998.3y | ± 0.08 |
Semi-major axis (a) | 0.442a | ± 0.002 |
| Eccentricity (e) | 0.628 | ± 0.002 |
Inclination (i) | 84.7° | ± 0.1 |
Longitude of periastron (ω) | 340.3° | ± 0.7 |
| Node (Ω) | 26.4° | ± 0.2 |
Notes | n | |
Reference | DRs2012 | |
| Equinox | | |
Last observation | 2008 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
29.6 |
0.164 |
| 2001 |
33.1 |
0.139 |
| 2002 |
38.9 |
0.102 |
| 2003 |
51.9 |
0.062 |
| 2004 |
97.1 |
0.032 |
| 2005 |
162.7 |
0.049 |
| 2006 |
182.3 |
0.088 |
| 2007 |
189.5 |
0.130 |
| 2008 |
193.2 |
0.172 |
| 2009 |
195.5 |
0.212 |
| 2010 |
197.0 |
0.251 |
| 2011 |
198.1 |
0.288 |
| 2012 |
199.0 |
0.324 |
| 2013 |
199.7 |
0.358 |
| 2014 |
200.3 |
0.390 |
| 2015 |
200.8 |
0.421 |
| 2016 |
201.3 |
0.450 |
| 2017 |
201.7 |
0.477 |
| 2018 |
202.0 |
0.503 |
| 2019 |
202.3 |
0.527 |
| 2020 |
202.6 |
0.549 |
| 2021 |
202.9 |
0.570 |
| 2022 |
203.1 |
0.589 |
| 2023 |
203.3 |
0.607 |
| 2024 |
203.6 |
0.623 |
| 2025 |
203.8 |
0.637 |
| 2026 |
204.0 |
0.650 |
| 2027 |
204.2 |
0.661 |
| 2028 |
204.3 |
0.671 |
| 2029 |
204.5 |
0.679 |
| 2030 |
204.7 |
0.685 |
|
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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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