00094-2759 BU 391 AB (Kap1 Scl)
00h 09m 21.02s -27° 59' 16.5" P.A. 258.00 sep 1.3 mag 6.13,6.24 Sp F4IV-V dist. 77.46 pc (252.67 l.y.)
| Coord 2000 |
00094-2759 |
|
Discov num |
BU 391 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 09 21.02 -27 59 16.5 |
|
| Date first |
1875 |
|
Date last |
2017 |
|
Obs |
81 |
|
| Pa first |
290 |
|
Pa last |
258.2 |
|
P.A. Now (θ) |
258.2° |
|
| Sep first |
0.7 |
|
Sep last |
1.328 |
|
Sep. Now (ρ) |
1.328" |
|
| Mag pri |
6.13 |
|
Mag sec |
6.24 |
|
delta mag (ΔM) |
0.11 |
|
Spectral class |
F4IV-V (yellow-white) |
|
| Pri motion ra |
+078 |
|
Sec motion ra |
+078 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-017 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
00094-2759 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Kap1 Scl |
166083 |
00 09 21 -27 59 16 |
BU 391 AB |
2017 |
81 |
258 |
1.3 |
6.13 |
6.24 |
0.11 |
Y |
<=== |
| Show |
|
166083 |
00 09 21 -27 59 16 |
LDS 2095 AC |
1998 |
3 |
243 |
73.4 |
6.13 |
18.60 |
12.47 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Kap1 Scl |
|
Constellation |
Sculptor |
|
SAO |
166083 |
|
HIP |
761 |
|
| Tycho2 |
6418-01217-1 |
|
Gaia DR2 |
2321555373972012032 |
|
HD |
493 |
|
HR |
24 |
|
| GC |
155 |
|
ADS |
111 |
|
CD |
CD-28 16 |
|
CP |
CP-28 4 |
|
| Bayer |
Kappa 1 Sculptoris |
|
Bayer name |
Kap1 Scl |
|
Distance |
77.46 |
|
Distance ly |
252.67 |
|
| Bayer greek |
κ1 Scl |
|
ORBITAL ELEMENTS
| Period (P) | 575.6506y | ± 247.628 |
Periastron (T) | 2087.659y | ± 104.9476 |
Semi-major axis (a) | 1.61369a | ± 0.48515 |
| Eccentricity (e) | 0.5022 | ± 0.31475 |
Inclination (i) | 98.715° | ± 3.851 |
Longitude of periastron (ω) | 272.711° | ± 42.552 |
| Node (Ω) | 76.733° | ± 6.525 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2013 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
260.2 |
1.417 |
| 2001 |
260.1 |
1.414 |
| 2002 |
259.9 |
1.411 |
| 2003 |
259.8 |
1.407 |
| 2004 |
259.7 |
1.404 |
| 2005 |
259.6 |
1.400 |
| 2006 |
259.5 |
1.396 |
| 2007 |
259.4 |
1.391 |
| 2008 |
259.3 |
1.387 |
| 2009 |
259.2 |
1.382 |
| 2010 |
259.1 |
1.377 |
| 2011 |
259.0 |
1.372 |
| 2012 |
258.8 |
1.367 |
| 2013 |
258.7 |
1.361 |
| 2014 |
258.6 |
1.355 |
| 2015 |
258.5 |
1.349 |
| 2016 |
258.4 |
1.343 |
| 2017 |
258.3 |
1.336 |
| 2018 |
258.1 |
1.329 |
| 2019 |
258.0 |
1.322 |
| 2020 |
257.9 |
1.315 |
| 2021 |
257.8 |
1.307 |
| 2022 |
257.6 |
1.299 |
| 2023 |
257.5 |
1.291 |
| 2024 |
257.4 |
1.282 |
| 2025 |
257.3 |
1.273 |
| 2026 |
257.1 |
1.264 |
| 2027 |
257.0 |
1.255 |
| 2028 |
256.9 |
1.245 |
| 2029 |
256.7 |
1.235 |
| 2030 |
256.6 |
1.224 |
|
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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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