00427-3828 HDO 182 (Lam1 Scl)
00h 42m 42.89s -38° 27' 48.6" P.A. 24.00 sep 0.7 mag 6.60,7.01 Sp A0V dist. 145.14 pc (473.45 l.y.)
| Coord 2000 |
00427-3828 |
|
Discov num |
HDO 182 |
|
Comp |
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Coord arcsec 2000 |
00 42 42.89 -38 27 48.6 |
|
| Date first |
1901 |
|
Date last |
2017 |
|
Obs |
41 |
|
| Pa first |
322 |
|
Pa last |
23.7 |
|
P.A. Now (θ) |
23.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.665 |
|
Sep. Now (ρ) |
0.665" |
|
| Mag pri |
6.60 |
|
Mag sec |
7.01 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
A0V (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-010 |
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Sec motion dec |
-010 |
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
Lam1 Scl |
|
Constellation |
Sculptor |
|
SAO |
192690 |
|
HIP |
3356 |
|
| Tycho2 |
7532-01096-1 |
|
Gaia DR2 |
5000371045362994816 |
|
HD |
4065 |
|
HR |
185 |
|
| GC |
849 |
|
CD |
CD-39 175 |
|
CP |
CP-39 46 |
|
Bayer |
Lambda 1 Sculptoris |
|
| Bayer name |
Lam1 Scl |
|
Distance |
145.14 |
|
Distance ly |
473.45 |
|
Bayer greek |
λ1 Scl |
|
ORBITAL ELEMENTS
| Period (P) | 840y | |
Periastron (T) | 1989.9y | |
Semi-major axis (a) | 1.175a | |
| Eccentricity (e) | 0.88 | |
Inclination (i) | 16.88° | |
Longitude of periastron (ω) | 0.66° | |
| Node (Ω) | 13.06° | |
Notes | n | |
Reference | GMc2016 | |
| Equinox | 2000 | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
103.0 |
0.251 |
| 2001 |
107.0 |
0.266 |
| 2002 |
110.6 |
0.282 |
| 2003 |
113.8 |
0.298 |
| 2004 |
116.6 |
0.313 |
| 2005 |
119.3 |
0.329 |
| 2006 |
121.6 |
0.344 |
| 2007 |
123.8 |
0.359 |
| 2008 |
125.8 |
0.374 |
| 2009 |
127.7 |
0.389 |
| 2010 |
129.4 |
0.404 |
| 2011 |
131.0 |
0.419 |
| 2012 |
132.4 |
0.433 |
| 2013 |
133.8 |
0.447 |
| 2014 |
135.1 |
0.462 |
| 2015 |
136.3 |
0.475 |
| 2016 |
137.5 |
0.489 |
| 2017 |
138.6 |
0.503 |
| 2018 |
139.6 |
0.516 |
| 2019 |
140.6 |
0.530 |
| 2020 |
141.6 |
0.543 |
| 2021 |
142.4 |
0.556 |
| 2022 |
143.3 |
0.569 |
| 2023 |
144.1 |
0.581 |
| 2024 |
144.9 |
0.594 |
| 2025 |
145.6 |
0.606 |
| 2026 |
146.4 |
0.619 |
| 2027 |
147.0 |
0.631 |
| 2028 |
147.7 |
0.643 |
| 2029 |
148.3 |
0.655 |
| 2030 |
149.0 |
0.667 |
| 2031 |
149.6 |
0.679 |
| 2032 |
150.1 |
0.690 |
| 2033 |
150.7 |
0.702 |
| 2034 |
151.2 |
0.713 |
| 2035 |
151.7 |
0.724 |
| 2036 |
152.2 |
0.735 |
| 2037 |
152.7 |
0.747 |
| 2038 |
153.2 |
0.757 |
| 2039 |
153.7 |
0.768 |
| 2040 |
154.1 |
0.779 |
| 2041 |
154.6 |
0.790 |
| 2042 |
155.0 |
0.800 |
| 2043 |
155.4 |
0.811 |
| 2044 |
155.8 |
0.821 |
| 2045 |
156.2 |
0.832 |
| 2046 |
156.6 |
0.842 |
| 2047 |
157.0 |
0.852 |
| 2048 |
157.3 |
0.862 |
| 2049 |
157.7 |
0.872 |
| 2050 |
158.0 |
0.882 |
|
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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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