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 |
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Discov num |
STF 566 |
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Comp |
AB,C |
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Coord arcsec 2000 |
04 39 58.03 +53 28 23.7 |
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Date first |
1828 |
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Date last |
2022 |
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Obs |
170 |
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Pa first |
312 |
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Pa last |
158 |
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P.A. Now (θ) |
324.8° |
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Sep first |
1.5 |
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Sep last |
0.876 |
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Sep. Now (ρ) |
0.705" |
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Mag pri |
5.56 |
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Mag sec |
7.49 |
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delta mag (ΔM) |
1.93 |
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Spectral class |
A8V (white) |
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Pri motion ra |
+047 |
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Sec motion ra |
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Pri motion dec |
-097 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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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 |
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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 |
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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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