04400+5328 STF 566 AB,C (2 Cam)
04h 39m 58.03s +53° 28' 23.7" P.A. 158.00 sep 0.9 mag 5.56,7.49 Sp A8V dist. 44.46 pc (145.03 l.y.)
| Coord 2000 |
04400+5328 |
|
Discov num |
STF 566 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
04 39 58.03 +53 28 23.7 |
|
| Date first |
1828 |
|
Date last |
2022 |
|
Obs |
170 |
|
| Pa first |
312 |
|
Pa last |
158 |
|
P.A. Now (θ) |
324.8° |
|
| Sep first |
1.5 |
|
Sep last |
0.876 |
|
Sep. Now (ρ) |
0.705" |
|
| Mag pri |
5.56 |
|
Mag sec |
7.49 |
|
delta mag (ΔM) |
1.93 |
|
Spectral class |
A8V (white) |
|
| Pri motion ra |
+047 |
|
Sec motion ra |
|
|
| Pri motion dec |
-097 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
04400+5328 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
24744 |
04 39 58 +53 28 24 |
BU 1295 AB |
2022 |
90 |
171 |
0.3 |
7.40 |
5.80 |
1.60 |
Y |
|
| Show |
2 Cam |
24744 |
04 39 58 +53 28 24 |
STF 566 AB,C |
2022 |
170 |
158 |
0.9 |
5.56 |
7.49 |
1.93 |
Y |
<=== |
| Show |
|
24744 |
04 39 58 +53 28 24 |
STF 566 AB,D |
2012 |
5 |
245 |
19.0 |
5.56 |
13.20 |
7.64 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
2 Cam |
|
Constellation |
Camelopardalis |
|
SAO |
24744 |
|
HIP |
21730 |
|
| Tycho2 |
3732-01030-1 |
|
Gaia DR2 |
272978775488802816 |
|
HD |
29316 |
|
HR |
1466 |
|
| GC |
5659 |
|
ADS |
3358 |
|
BD |
BD+53 794 |
|
Flamsteed |
2 Camelopardalis |
|
| Flamsteed name |
2 Cam |
|
Distance |
44.46 |
|
Distance ly |
145.03 |
|
ORBITAL ELEMENTS
| Period (P) | 203.9y | |
Periastron (T) | 2020.47y | |
Semi-major axis (a) | 3.079a | |
| Eccentricity (e) | 0.932 | |
Inclination (i) | 100.4° | |
Longitude of periastron (ω) | 78.9° | |
| Node (Ω) | 148.2° | |
Notes | n | |
Reference | Msn2021c | |
| Equinox | | |
Last observation | 2016 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
193.0 |
0.771 |
| 2001 |
191.1 |
0.772 |
| 2002 |
189.3 |
0.773 |
| 2003 |
187.4 |
0.774 |
| 2004 |
185.6 |
0.774 |
| 2005 |
183.8 |
0.774 |
| 2006 |
182.0 |
0.774 |
| 2007 |
180.1 |
0.773 |
| 2008 |
178.3 |
0.772 |
| 2009 |
176.5 |
0.769 |
| 2010 |
174.6 |
0.765 |
| 2011 |
172.7 |
0.759 |
| 2012 |
170.8 |
0.750 |
| 2013 |
168.8 |
0.739 |
| 2014 |
166.8 |
0.723 |
| 2015 |
164.6 |
0.702 |
| 2016 |
162.3 |
0.672 |
| 2017 |
159.7 |
0.630 |
| 2018 |
156.7 |
0.567 |
| 2019 |
152.6 |
0.462 |
| 2020 |
143.7 |
0.243 |
| 2021 |
337.1 |
0.212 |
| 2022 |
327.8 |
0.514 |
| 2023 |
324.8 |
0.705 |
| 2024 |
323.0 |
0.846 |
| 2025 |
321.7 |
0.958 |
| 2026 |
320.6 |
1.052 |
| 2027 |
319.7 |
1.133 |
| 2028 |
318.9 |
1.204 |
| 2029 |
318.2 |
1.267 |
| 2030 |
317.5 |
1.324 |
|
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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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