03376+2121 PAT 1
03h 37m 34.98s +21° 20' 35.4" P.A. 227.00 sep 0.5 mag 7.80,10.40 Sp G5 dist. 39.71 pc (129.53 l.y.)
| Coord 2000 |
03376+2121 |
|
Discov num |
PAT 1 |
|
Comp |
|
|
Coord arcsec 2000 |
03 37 34.98 +21 20 35.4 |
|
| Date first |
1994 |
|
Date last |
2021 |
|
Obs |
8 |
|
| Pa first |
275 |
|
Pa last |
227.4 |
|
P.A. Now (θ) |
227.4° |
|
| Sep first |
0.9 |
|
Sep last |
0.479 |
|
Sep. Now (ρ) |
0.479" |
|
| Mag pri |
7.80 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-149 |
|
Sec motion ra |
|
|
| Pri motion dec |
-028 |
|
Sec motion dec |
|
|
| Notes |
O
K
(Orbital solution, K-band or other infrared magnitudes) |
|
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
| Constellation |
Taurus |
|
SAO |
76035 |
|
HIP |
16908 |
|
Gaia DR2 |
64266768177592448 |
|
| BD |
BD+20 598 |
|
Distance |
39.71 |
|
Distance ly |
129.53 |
|
ORBITAL ELEMENTS
| Period (P) | 110y | ± 1.4 |
Periastron (T) | 2071.06y | ± 0.6 |
Semi-major axis (a) | 0.8475a | ± 0.0081 |
| Eccentricity (e) | 0.434 | ± 0.016 |
Inclination (i) | 111.61° | ± 0.32 |
Longitude of periastron (ω) | 251.66° | ± 0.71 |
| Node (Ω) | 292° | ± 1.1 |
Notes | | |
Reference | Hor2021b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
270.0 |
0.828 |
| 2001 |
268.9 |
0.816 |
| 2002 |
267.7 |
0.802 |
| 2003 |
266.4 |
0.788 |
| 2004 |
265.2 |
0.773 |
| 2005 |
263.8 |
0.758 |
| 2006 |
262.4 |
0.742 |
| 2007 |
261.0 |
0.726 |
| 2008 |
259.5 |
0.710 |
| 2009 |
257.9 |
0.693 |
| 2010 |
256.2 |
0.676 |
| 2011 |
254.5 |
0.659 |
| 2012 |
252.6 |
0.641 |
| 2013 |
250.7 |
0.624 |
| 2014 |
248.6 |
0.607 |
| 2015 |
246.4 |
0.589 |
| 2016 |
244.1 |
0.573 |
| 2017 |
241.7 |
0.556 |
| 2018 |
239.1 |
0.540 |
| 2019 |
236.3 |
0.525 |
| 2020 |
233.4 |
0.510 |
| 2021 |
230.3 |
0.496 |
| 2022 |
227.1 |
0.483 |
| 2023 |
223.6 |
0.471 |
| 2024 |
220.0 |
0.460 |
| 2025 |
216.3 |
0.451 |
| 2026 |
212.4 |
0.443 |
| 2027 |
208.3 |
0.437 |
| 2028 |
204.2 |
0.432 |
| 2029 |
200.0 |
0.430 |
| 2030 |
195.8 |
0.429 |
| 2031 |
191.5 |
0.430 |
| 2032 |
187.3 |
0.432 |
| 2033 |
183.2 |
0.437 |
| 2034 |
179.2 |
0.443 |
| 2035 |
175.2 |
0.450 |
| 2036 |
171.5 |
0.459 |
| 2037 |
167.8 |
0.469 |
| 2038 |
164.4 |
0.480 |
| 2039 |
161.1 |
0.492 |
| 2040 |
157.9 |
0.505 |
| 2041 |
154.9 |
0.518 |
| 2042 |
152.1 |
0.532 |
| 2043 |
149.4 |
0.546 |
| 2044 |
146.9 |
0.560 |
| 2045 |
144.5 |
0.574 |
| 2046 |
142.1 |
0.587 |
| 2047 |
139.9 |
0.601 |
| 2048 |
137.8 |
0.613 |
| 2049 |
135.8 |
0.625 |
| 2050 |
133.8 |
0.636 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
