04159+3142 STT 77 AB
04h 15m 55.73s +31° 41' 35.1" P.A. 304.00 sep 0.5 mag 8.04,8.22 Sp G0V dist. 101.52 pc (331.16 l.y.)
| Coord 2000 |
04159+3142 |
|
Discov num |
STT 77 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 15 55.73 +31 41 35.1 |
|
| Date first |
1846 |
|
Date last |
2020 |
|
Obs |
194 |
|
| Pa first |
335 |
|
Pa last |
304.2 |
|
P.A. Now (θ) |
310.8° |
|
| Sep first |
0.3 |
|
Sep last |
0.5 |
|
Sep. Now (ρ) |
0.453" |
|
| Mag pri |
8.04 |
|
Mag sec |
8.22 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
G0V (yellow) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-051 |
|
Sec motion dec |
-051 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
04159+3142 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
57110 |
04 15 56 +31 41 35 |
STT 77 AB |
2020 |
194 |
304 |
0.5 |
8.04 |
8.22 |
0.18 |
Y |
<=== |
| Show |
HD 26841 |
57110 |
04 15 56 +31 41 35 |
STTA 43 AB,C |
2018 |
49 |
42 |
56.2 |
7.48 |
8.59 |
1.11 |
|
|
| Show |
|
57110 |
04 15 56 +31 41 35 |
STT 77 AB,D |
2014 |
23 |
315 |
131.8 |
7.48 |
9.57 |
2.09 |
|
|
| Show |
|
57110 |
04 15 56 +31 41 35 |
POP 226 AB,E |
2014 |
6 |
157 |
62.0 |
7.48 |
13.81 |
6.33 |
|
|
| Show |
|
57110 |
04 15 56 +31 41 35 |
POP 226 AB,F |
2014 |
6 |
192 |
60.6 |
7.48 |
14.34 |
6.86 |
|
|
Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Perseus |
|
SAO |
57110 |
|
HIP |
19883 |
|
Tycho2 |
2371-00472-1 |
|
| HD |
26842 |
|
ADS |
3082 |
|
BD |
BD+31 737 |
|
Distance |
101.52 |
|
| Distance ly |
331.16 |
|
ORBITAL ELEMENTS
| Period (P) | 187.925y | |
Periastron (T) | 1886.934y | |
Semi-major axis (a) | 0.549a | |
| Eccentricity (e) | 0.45 | |
Inclination (i) | 52.71° | |
Longitude of periastron (ω) | 31.02° | |
| Node (Ω) | 72.89° | |
Notes | n | |
Reference | Sta1985 | |
| Equinox | | |
Last observation | 1979 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
285.8 |
0.628 |
| 2001 |
286.6 |
0.622 |
| 2002 |
287.4 |
0.615 |
| 2003 |
288.2 |
0.608 |
| 2004 |
289.1 |
0.601 |
| 2005 |
290.0 |
0.594 |
| 2006 |
290.9 |
0.587 |
| 2007 |
291.8 |
0.579 |
| 2008 |
292.7 |
0.572 |
| 2009 |
293.7 |
0.564 |
| 2010 |
294.7 |
0.557 |
| 2011 |
295.7 |
0.549 |
| 2012 |
296.8 |
0.541 |
| 2013 |
297.9 |
0.533 |
| 2014 |
299.0 |
0.525 |
| 2015 |
300.1 |
0.517 |
| 2016 |
301.3 |
0.509 |
| 2017 |
302.5 |
0.501 |
| 2018 |
303.8 |
0.493 |
| 2019 |
305.1 |
0.485 |
| 2020 |
306.4 |
0.477 |
| 2021 |
307.8 |
0.469 |
| 2022 |
309.3 |
0.461 |
| 2023 |
310.8 |
0.453 |
| 2024 |
312.3 |
0.445 |
| 2025 |
313.9 |
0.437 |
| 2026 |
315.6 |
0.429 |
| 2027 |
317.3 |
0.422 |
| 2028 |
319.1 |
0.414 |
| 2029 |
321.0 |
0.407 |
| 2030 |
322.9 |
0.399 |
|
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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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