15073+1827 A 2385 AB
15h 07m 20.34s +18° 26' 31.0" P.A. 47.00 sep 0.1 mag 6.80,6.80 Sp A2V dist. 72.2 pc (235.52 l.y.)
| Coord 2000 |
15073+1827 |
|
Discov num |
A 2385 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 07 20.34 +18 26 31.0 |
|
| Date first |
1910 |
|
Date last |
1994 |
|
Obs |
22 |
|
| Pa first |
190 |
|
Pa last |
47.2 |
|
P.A. Now (θ) |
47.2° |
|
| Sep first |
0.1 |
|
Sep last |
0.14 |
|
Sep. Now (ρ) |
0.14" |
|
| Mag pri |
6.80 |
|
Mag sec |
6.80 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
+039 |
|
Sec motion ra |
|
|
| Pri motion dec |
-046 |
|
Sec motion dec |
|
|
| Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
15073+1827 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
101379 |
15 07 20 +18 26 31 |
A 2385 AB |
1994 |
22 |
47 |
0.1 |
6.80 |
6.80 |
0.00 |
Y |
<=== |
| Show |
HD 134064 |
101379 |
15 07 20 +18 26 31 |
DRS 57 AC |
2020 |
11 |
321 |
110.0 |
6.04 |
11.39 |
5.35 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Bootes |
|
SAO |
101379 |
|
HIP |
74000 |
|
Tycho2 |
1489-00023-1 |
|
| Gaia DR2 |
1211853854683080192 |
|
HD |
134064 |
|
HR |
5633 |
|
GC |
20340 |
|
| ADS |
9505 |
|
BD |
BD+19 2924 |
|
Distance |
72.2 |
|
Distance ly |
235.52 |
|
ORBITAL ELEMENTS
| Period (P) | 8y | |
Periastron (T) | 1939.97y | |
Semi-major axis (a) | 0.1a | |
| Eccentricity (e) | 0.45 | |
Inclination (i) | 122.6° | |
Longitude of periastron (ω) | 71.4° | |
| Node (Ω) | 41.3° | |
Notes | n | |
Reference | Egg1946b | |
| Equinox | | |
Last observation | 1945 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
162.4 |
0.087 |
| 2001 |
128.0 |
0.074 |
| 2002 |
89.0 |
0.077 |
| 2003 |
54.3 |
0.078 |
| 2004 |
337.1 |
0.032 |
| 2005 |
227.0 |
0.084 |
| 2006 |
205.1 |
0.109 |
| 2007 |
186.4 |
0.103 |
| 2008 |
162.4 |
0.087 |
| 2009 |
128.0 |
0.074 |
| 2010 |
89.0 |
0.077 |
| 2011 |
54.3 |
0.078 |
| 2012 |
337.1 |
0.032 |
| 2013 |
227.0 |
0.084 |
| 2014 |
205.1 |
0.109 |
| 2015 |
186.4 |
0.103 |
| 2016 |
162.4 |
0.087 |
| 2017 |
128.0 |
0.074 |
| 2018 |
89.0 |
0.077 |
| 2019 |
54.3 |
0.078 |
| 2020 |
337.1 |
0.032 |
| 2021 |
227.0 |
0.084 |
| 2022 |
205.1 |
0.109 |
| 2023 |
186.4 |
0.103 |
| 2024 |
162.4 |
0.087 |
| 2025 |
128.0 |
0.074 |
| 2026 |
89.0 |
0.077 |
| 2027 |
54.3 |
0.078 |
| 2028 |
337.1 |
0.032 |
| 2029 |
227.0 |
0.084 |
| 2030 |
205.1 |
0.109 |
|
|
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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