15382+3615 STF 1964 CD
15h 38m 14.14s +36° 14' 49.7" P.A. 21.00 sep 1.5 mag 8.06,9.02 Sp F5 dist. 27.59 pc (90 l.y.)
| Coord 2000 |
15382+3615 |
|
Discov num |
STF1964 |
|
Comp |
CD |
|
Coord arcsec 2000 |
15 38 14.14 +36 14 49.7 |
|
| Date first |
1829 |
|
Date last |
2019 |
|
Obs |
72 |
|
| Pa first |
10 |
|
Pa last |
20.9 |
|
P.A. Now (θ) |
20.9° |
|
| Sep first |
1.4 |
|
Sep last |
1.489 |
|
Sep. Now (ρ) |
1.489" |
|
| Mag pri |
8.06 |
|
Mag sec |
9.02 |
|
delta mag (ΔM) |
0.96 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-062 |
|
Sec motion ra |
-062 |
|
| Pri motion dec |
+043 |
|
Sec motion dec |
+043 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
15382+3615 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 139691 |
64821 |
15 38 13 +36 14 49 |
HU 1167 AB |
2016 |
28 |
80 |
1.4 |
8.07 |
9.87 |
1.80 |
Y |
|
| Show |
|
64821 |
15 38 13 +36 14 49 |
STF 1964 AC |
2021 |
83 |
86 |
15.0 |
8.07 |
8.06 |
0.01 |
|
|
| Show |
|
64821 |
15 38 13 +36 14 49 |
STF 1964 AD |
2021 |
20 |
80 |
15.8 |
8.07 |
9.02 |
0.95 |
|
|
| Show |
|
|
15 38 14 +36 14 50 |
STF 1964 CD |
2019 |
72 |
21 |
1.5 |
8.06 |
9.02 |
0.96 |
Y |
<=== |
| Show |
|
|
15 38 14 +36 14 50 |
WAK 1 CE |
2011 |
5 |
82 |
0.2 |
8.07 |
8.20 |
0.13 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Borealis |
|
HIP |
76566 |
|
Tycho2 |
2577-01755-1 |
|
Gaia DR2 |
1374656960858803072 |
|
| HD |
139691 |
|
ADS |
9731 |
|
DM |
BD+36 2626 |
|
Distance |
27.59 |
|
| Distance ly |
90 |
|
ORBITAL ELEMENTS
| Period (P) | 1230y | ± 261 |
Periastron (T) | 1955.3y | ± 21.3 |
Semi-major axis (a) | 1.582a | ± 0.027 |
| Eccentricity (e) | 0 | |
Inclination (i) | 78.4° | ± 3.8 |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 15.9° | ± 1.6 |
Notes | n | |
Reference | Dru1995 | |
| Equinox | | |
Last observation | 1994 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
18.6 |
1.543 |
| 2001 |
18.6 |
1.541 |
| 2002 |
18.7 |
1.539 |
| 2003 |
18.8 |
1.537 |
| 2004 |
18.8 |
1.535 |
| 2005 |
18.9 |
1.533 |
| 2006 |
18.9 |
1.531 |
| 2007 |
19.0 |
1.529 |
| 2008 |
19.1 |
1.527 |
| 2009 |
19.1 |
1.525 |
| 2010 |
19.2 |
1.523 |
| 2011 |
19.3 |
1.521 |
| 2012 |
19.3 |
1.519 |
| 2013 |
19.4 |
1.517 |
| 2014 |
19.5 |
1.514 |
| 2015 |
19.5 |
1.512 |
| 2016 |
19.6 |
1.510 |
| 2017 |
19.7 |
1.507 |
| 2018 |
19.7 |
1.505 |
| 2019 |
19.8 |
1.502 |
| 2020 |
19.8 |
1.500 |
| 2021 |
19.9 |
1.497 |
| 2022 |
20.0 |
1.495 |
| 2023 |
20.0 |
1.492 |
| 2024 |
20.1 |
1.490 |
| 2025 |
20.2 |
1.487 |
| 2026 |
20.2 |
1.484 |
| 2027 |
20.3 |
1.481 |
| 2028 |
20.4 |
1.479 |
| 2029 |
20.4 |
1.476 |
| 2030 |
20.5 |
1.473 |
| 2031 |
20.6 |
1.470 |
| 2032 |
20.6 |
1.467 |
| 2033 |
20.7 |
1.464 |
| 2034 |
20.8 |
1.461 |
| 2035 |
20.9 |
1.458 |
| 2036 |
20.9 |
1.455 |
| 2037 |
21.0 |
1.452 |
| 2038 |
21.1 |
1.449 |
| 2039 |
21.1 |
1.446 |
| 2040 |
21.2 |
1.442 |
| 2041 |
21.3 |
1.439 |
| 2042 |
21.3 |
1.436 |
| 2043 |
21.4 |
1.433 |
| 2044 |
21.5 |
1.429 |
| 2045 |
21.6 |
1.426 |
| 2046 |
21.6 |
1.422 |
| 2047 |
21.7 |
1.419 |
| 2048 |
21.8 |
1.415 |
| 2049 |
21.9 |
1.412 |
| 2050 |
21.9 |
1.408 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
