04496+0212 A 2621 (HD 30636)
04h 49m 33.19s +02° 12' 06.4" P.A. 164.00 sep 0.1 mag 8.69,8.35 Sp A0 dist. 275.48 pc (898.62 l.y.)
| Coord 2000 |
04496+0212 |
|
Discov num |
A 2621 |
|
Comp |
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Coord arcsec 2000 |
04 49 33.19 +02 12 06.4 |
|
| Date first |
1913 |
|
Date last |
2021 |
|
Obs |
36 |
|
| Pa first |
339 |
|
Pa last |
163.5 |
|
P.A. Now (θ) |
163.5° |
|
| Sep first |
0.2 |
|
Sep last |
0.108 |
|
Sep. Now (ρ) |
0.108" |
|
| Mag pri |
8.69 |
|
Mag sec |
8.35 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
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|
| Pri motion dec |
-009 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 30636 |
|
Constellation |
Orion |
|
SAO |
112104 |
|
HIP |
22428 |
|
| Tycho2 |
0088-00131-1 |
|
Gaia DR2 |
3232627755474275456 |
|
HD |
30636 |
|
ADS |
3465 |
|
| BD |
BD+01 823 |
|
Distance |
275.48 |
|
Distance ly |
898.62 |
|
ORBITAL ELEMENTS
| Period (P) | 310.47y | |
Periastron (T) | 1699.04y | |
Semi-major axis (a) | 0.212a | |
| Eccentricity (e) | 0.372 | |
Inclination (i) | 45.8° | |
Longitude of periastron (ω) | 44.2° | |
| Node (Ω) | 90° | |
Notes | | |
Reference | USN1999b | |
| Equinox | 2000 | |
Last observation | 1993 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
103.3 |
0.133 |
| 2001 |
105.2 |
0.131 |
| 2002 |
107.2 |
0.130 |
| 2003 |
109.2 |
0.128 |
| 2004 |
111.3 |
0.126 |
| 2005 |
113.5 |
0.124 |
| 2006 |
115.7 |
0.122 |
| 2007 |
118.0 |
0.120 |
| 2008 |
120.4 |
0.118 |
| 2009 |
122.9 |
0.116 |
| 2010 |
125.4 |
0.114 |
| 2011 |
128.0 |
0.113 |
| 2012 |
130.7 |
0.111 |
| 2013 |
133.5 |
0.109 |
| 2014 |
136.4 |
0.107 |
| 2015 |
139.3 |
0.106 |
| 2016 |
142.4 |
0.105 |
| 2017 |
145.5 |
0.103 |
| 2018 |
148.7 |
0.102 |
| 2019 |
152.0 |
0.101 |
| 2020 |
155.3 |
0.100 |
| 2021 |
158.6 |
0.100 |
| 2022 |
162.0 |
0.100 |
| 2023 |
165.5 |
0.099 |
| 2024 |
168.9 |
0.099 |
| 2025 |
172.3 |
0.100 |
| 2026 |
175.6 |
0.100 |
| 2027 |
179.0 |
0.101 |
| 2028 |
182.3 |
0.102 |
| 2029 |
185.5 |
0.103 |
| 2030 |
188.6 |
0.104 |
|
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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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