05017+2640 A 1844 AB
05h 01m 44.28s +26° 40' 15.8" P.A. 77.00 sep 0.3 mag 7.07,9.01 Sp G2V dist. 40.6 pc (132.44 l.y.)
| Coord 2000 |
05017+2640 |
|
Discov num |
A 1844 |
|
Comp |
AB |
|
Coord arcsec 2000 |
05 01 44.28 +26 40 15.8 |
|
| Date first |
1908 |
|
Date last |
2018 |
|
Obs |
44 |
|
| Pa first |
355 |
|
Pa last |
76.9 |
|
P.A. Now (θ) |
127.5° |
|
| Sep first |
0.3 |
|
Sep last |
0.286 |
|
Sep. Now (ρ) |
0.214" |
|
| Mag pri |
7.07 |
|
Mag sec |
9.01 |
|
delta mag (ΔM) |
1.94 |
|
Spectral class |
G2V (yellow) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
+031 |
|
Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
05017+2640 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
76903 |
05 01 44 +26 40 16 |
A 1844 AB |
2018 |
44 |
77 |
0.3 |
7.07 |
9.01 |
1.94 |
Y |
<=== |
| Show |
HD 32092 |
76903 |
05 01 44 +26 40 16 |
S 461 AB,C |
2017 |
36 |
159 |
78.3 |
6.85 |
8.25 |
1.40 |
|
|
| Show |
|
76904 |
05 01 46 +26 39 02 |
BAG 21 Ca,Cb |
2000 |
1 |
63 |
0.0 |
8.50 |
9.70 |
1.20 |
|
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Taurus |
|
SAO |
76903 |
|
HIP |
23395 |
|
Tycho2 |
1853-01956-1 |
|
| Gaia DR2 |
3420438360271164288 |
|
HD |
32092 |
|
GC |
6129 |
|
ADS |
3608 |
|
| BD |
BD+26 775 |
|
Distance |
40.6 |
|
Distance ly |
132.44 |
|
ORBITAL ELEMENTS
| Period (P) | 25.323y | ± 0.028 |
Periastron (T) | 2000.756y | ± 0.025 |
Semi-major axis (a) | 0.262a | ± 0.001 |
| Eccentricity (e) | 0.301 | ± 0.002 |
Inclination (i) | 14.4° | ± 1.2 |
Longitude of periastron (ω) | 340.6° | ± 4.9 |
| Node (Ω) | 221.8° | ± 4.7 |
Notes | n | |
Reference | Msn2021a | |
| Equinox | | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
182.5 |
0.184 |
| 2001 |
209.5 |
0.183 |
| 2002 |
235.6 |
0.190 |
| 2003 |
259.1 |
0.203 |
| 2004 |
279.4 |
0.219 |
| 2005 |
296.8 |
0.237 |
| 2006 |
311.6 |
0.256 |
| 2007 |
324.4 |
0.274 |
| 2008 |
335.7 |
0.291 |
| 2009 |
345.8 |
0.306 |
| 2010 |
355.0 |
0.319 |
| 2011 |
3.6 |
0.328 |
| 2012 |
11.8 |
0.335 |
| 2013 |
19.7 |
0.339 |
| 2014 |
27.5 |
0.340 |
| 2015 |
35.4 |
0.337 |
| 2016 |
43.4 |
0.331 |
| 2017 |
51.9 |
0.322 |
| 2018 |
60.9 |
0.310 |
| 2019 |
70.7 |
0.294 |
| 2020 |
81.8 |
0.276 |
| 2021 |
94.5 |
0.256 |
| 2022 |
109.5 |
0.235 |
| 2023 |
127.5 |
0.214 |
| 2024 |
149.1 |
0.197 |
| 2025 |
174.0 |
0.185 |
| 2026 |
200.8 |
0.182 |
| 2027 |
227.4 |
0.187 |
| 2028 |
251.8 |
0.198 |
| 2029 |
273.2 |
0.213 |
| 2030 |
291.5 |
0.231 |
|
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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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