01350-2955 BU 1000 AB,C (BB Scl)
01h 35m 00.96s -29° 54' 38.0" P.A. 7.00 sep 1.6 mag 7.20,11.50 Sp M2V dist. 21.63 pc (70.56 l.y.)
| Coord 2000 |
01350-2955 |
|
Discov num |
BU 1000 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
01 35 00.96 -29 54 38.0 |
|
| Date first |
1881 |
|
Date last |
2020 |
|
Obs |
54 |
|
| Pa first |
336 |
|
Pa last |
7.1 |
|
P.A. Now (θ) |
7.1° |
|
| Sep first |
1.8 |
|
Sep last |
1.583 |
|
Sep. Now (ρ) |
1.583" |
|
| Mag pri |
7.20 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
M2V (red) |
|
| Pri motion ra |
+086 |
|
Sec motion ra |
|
|
| Pri motion dec |
+097 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01350-2955 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
193189 |
01 35 01 -29 54 38 |
DAW 31 AB |
2020 |
109 |
258 |
0.2 |
7.51 |
8.94 |
1.43 |
Y |
|
| Show |
BB Scl |
193189 |
01 35 01 -29 54 38 |
BU 1000 AB,C |
2020 |
54 |
7 |
1.6 |
7.20 |
11.50 |
4.30 |
Y |
<=== |
| Show |
|
193189 |
01 35 01 -29 54 38 |
BU 1000 AB,D |
2015 |
16 |
19 |
130.8 |
7.26 |
8.80 |
1.54 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
BB Scl |
|
Constellation |
Sculptor |
|
SAO |
193189 |
|
HIP |
7372 |
|
| Tycho2 |
6428-01616-1 |
|
Gaia DR2 |
5022972468946212352 |
|
HD |
9770 |
|
GL |
Gl 60A |
|
| CD |
CD-30 529 |
|
CP |
CP-30 181 |
|
Distance |
21.63 |
|
Distance ly |
70.56 |
|
ORBITAL ELEMENTS
| Period (P) | 120.88y | ± 0.83 |
Periastron (T) | 1955.24y | ± 0.95 |
Semi-major axis (a) | 1.571a | ± 0.018 |
| Eccentricity (e) | 0.23 | ± 0.011 |
Inclination (i) | 36.5° | ± 1.2 |
Longitude of periastron (ω) | 54.3° | ± 4 |
| Node (Ω) | 132.5° | ± 3 |
Notes | n | |
Reference | Tok2021b | |
| Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
331.7 |
1.801 |
| 2001 |
333.5 |
1.801 |
| 2002 |
335.2 |
1.800 |
| 2003 |
337.0 |
1.798 |
| 2004 |
338.8 |
1.795 |
| 2005 |
340.6 |
1.790 |
| 2006 |
342.4 |
1.785 |
| 2007 |
344.2 |
1.778 |
| 2008 |
346.0 |
1.771 |
| 2009 |
347.9 |
1.763 |
| 2010 |
349.7 |
1.754 |
| 2011 |
351.6 |
1.745 |
| 2012 |
353.5 |
1.734 |
| 2013 |
355.4 |
1.724 |
| 2014 |
357.4 |
1.712 |
| 2015 |
359.3 |
1.700 |
| 2016 |
1.4 |
1.688 |
| 2017 |
3.4 |
1.675 |
| 2018 |
5.4 |
1.662 |
| 2019 |
7.5 |
1.649 |
| 2020 |
9.7 |
1.636 |
| 2021 |
11.8 |
1.622 |
| 2022 |
14.0 |
1.609 |
| 2023 |
16.3 |
1.596 |
| 2024 |
18.6 |
1.582 |
| 2025 |
20.9 |
1.569 |
| 2026 |
23.2 |
1.556 |
| 2027 |
25.6 |
1.543 |
| 2028 |
28.1 |
1.531 |
| 2029 |
30.5 |
1.519 |
| 2030 |
33.0 |
1.508 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
