13008+1223 BEU 16 AB (DT Vir)
13h 00m 46.58s +12° 22' 32.6" P.A. 22.00 sep 0.4 mag 9.75, Sp M0.5 dist. 11.69 pc (38.13 l.y.)
| Coord 2000 |
13008+1223 |
|
Discov num |
BEU 16 |
|
Comp |
AB |
|
Coord arcsec 2000 |
13 00 46.58 +12 22 32.6 |
|
| Date first |
2000 |
|
Date last |
2018 |
|
Obs |
18 |
|
| Pa first |
81 |
|
Pa last |
21.7 |
|
P.A. Now (θ) |
21.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.362 |
|
Sep. Now (ρ) |
0.362" |
|
| Mag pri |
9.75 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
M0.5 (red) |
|
| Pri motion ra |
-619 |
|
Sec motion ra |
|
|
| Pri motion dec |
-017 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
13008+1223 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
DT Vir |
|
13 00 47 +12 22 33 |
BEU 16 AB |
2018 |
18 |
22 |
0.4 |
9.75 |
|
|
Y |
<=== |
| Show |
|
|
13 00 47 +12 22 33 |
GDM 1 AC |
2008 |
3 |
220 |
102.1 |
9.75 |
25.00 |
15.25 |
|
|
0 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
DT Vir |
|
Constellation |
Virgo |
|
HIP |
63510 |
|
BD |
BD+13 2618 |
|
| Distance |
11.69 |
|
Distance ly |
38.13 |
|
ORBITAL ELEMENTS
| Period (P) | 13.709y | ± 0.037 |
Periastron (T) | 59365d (2021.412y) | ± 18 |
Semi-major axis (a) | 427.73m | ± 0.44 |
| Eccentricity (e) | 0.2436 | ± 0.0012 |
Inclination (i) | 130.79° | ± 0.2 |
Longitude of periastron (ω) | 158.81° | ± 0.62 |
| Node (Ω) | 56.13° | ± 0.17 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
80.9 |
0.474 |
| 2001 |
68.6 |
0.516 |
| 2002 |
57.4 |
0.522 |
| 2003 |
45.7 |
0.489 |
| 2004 |
30.9 |
0.416 |
| 2005 |
7.9 |
0.317 |
| 2006 |
326.3 |
0.242 |
| 2007 |
275.9 |
0.267 |
| 2008 |
241.4 |
0.323 |
| 2009 |
213.0 |
0.321 |
| 2010 |
179.7 |
0.287 |
| 2011 |
142.0 |
0.292 |
| 2012 |
111.8 |
0.352 |
| 2013 |
91.5 |
0.427 |
| 2014 |
77.1 |
0.489 |
| 2015 |
65.3 |
0.522 |
| 2016 |
54.2 |
0.517 |
| 2017 |
41.8 |
0.472 |
| 2018 |
25.4 |
0.389 |
| 2019 |
358.2 |
0.288 |
| 2020 |
310.8 |
0.238 |
| 2021 |
264.4 |
0.287 |
| 2022 |
233.1 |
0.329 |
| 2023 |
204.1 |
0.311 |
| 2024 |
168.7 |
0.282 |
| 2025 |
132.0 |
0.305 |
| 2026 |
105.0 |
0.374 |
| 2027 |
86.9 |
0.448 |
| 2028 |
73.5 |
0.502 |
| 2029 |
62.1 |
0.524 |
| 2030 |
50.8 |
0.508 |
| 2031 |
37.7 |
0.451 |
| 2032 |
19.1 |
0.359 |
| 2033 |
346.5 |
0.264 |
| 2034 |
295.5 |
0.245 |
| 2035 |
254.2 |
0.305 |
| 2036 |
225.0 |
0.329 |
| 2037 |
194.6 |
0.300 |
| 2038 |
157.6 |
0.282 |
| 2039 |
123.0 |
0.322 |
| 2040 |
99.0 |
0.396 |
| 2041 |
82.7 |
0.466 |
| 2042 |
70.1 |
0.512 |
| 2043 |
58.8 |
0.524 |
| 2044 |
47.3 |
0.495 |
| 2045 |
33.1 |
0.427 |
| 2046 |
11.6 |
0.330 |
| 2047 |
332.8 |
0.247 |
| 2048 |
281.5 |
0.259 |
| 2049 |
245.1 |
0.319 |
| 2050 |
216.7 |
0.324 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
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