04573+5345 D 5 AB (7 Cam)
04h 57m 17.22s +53° 45' 07.5" P.A. 200.00 sep 0.6 mag 4.49,7.90 Sp A1V dist. 114.03 pc (371.97 l.y.)
| Coord 2000 |
04573+5345 |
|
Discov num |
D 5 |
|
Comp |
AB |
|
Coord arcsec 2000 |
04 57 17.22 +53 45 07.5 |
|
| Date first |
1865 |
|
Date last |
2013 |
|
Obs |
33 |
|
| Pa first |
309 |
|
Pa last |
199.8 |
|
P.A. Now (θ) |
199.8° |
|
| Sep first |
1.2 |
|
Sep last |
0.58 |
|
Sep. Now (ρ) |
0.58" |
|
| Mag pri |
4.49 |
|
Mag sec |
7.90 |
|
delta mag (ΔM) |
3.41 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+013 |
|
Sec motion dec |
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|
| Notes |
N
C
V
(See Notes, Has orbit and linear solution, Proper motion indicates physical) |
|
This double is physical.
04573+5345 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
7 Cam |
24929 |
04 57 17 +53 45 08 |
D 5 AB |
2013 |
33 |
200 |
0.6 |
4.49 |
7.90 |
3.41 |
Y |
<=== |
| Show |
|
24929 |
04 57 17 +53 45 08 |
STF 610 AB,C |
2016 |
19 |
240 |
25.8 |
4.49 |
11.30 |
6.81 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
7 Cam |
|
Constellation |
Camelopardalis |
|
SAO |
24929 |
|
HIP |
23040 |
|
| Tycho2 |
3734-02320-1 |
|
Gaia DR2 |
261179370751370752 |
|
HD |
31278 |
|
HR |
1568 |
|
| GC |
6017 |
|
ADS |
3536 |
|
BD |
BD+53 829 |
|
Flamsteed |
7 Camelopardalis |
|
| Flamsteed name |
7 Cam |
|
Distance |
114.03 |
|
Distance ly |
371.97 |
|
ORBITAL ELEMENTS
| Period (P) | 2733y | |
Periastron (T) | 2058y | |
Semi-major axis (a) | 2.82a | |
| Eccentricity (e) | 0.436 | |
Inclination (i) | 106.5° | |
Longitude of periastron (ω) | 299.6° | |
| Node (Ω) | 150.2° | |
Notes | n | |
Reference | FMR2013a | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
213.0 |
0.513 |
| 2001 |
212.0 |
0.517 |
| 2002 |
211.0 |
0.521 |
| 2003 |
210.1 |
0.525 |
| 2004 |
209.1 |
0.530 |
| 2005 |
208.2 |
0.534 |
| 2006 |
207.2 |
0.539 |
| 2007 |
206.3 |
0.543 |
| 2008 |
205.4 |
0.548 |
| 2009 |
204.5 |
0.553 |
| 2010 |
203.7 |
0.558 |
| 2011 |
202.8 |
0.563 |
| 2012 |
202.0 |
0.569 |
| 2013 |
201.2 |
0.574 |
| 2014 |
200.3 |
0.580 |
| 2015 |
199.6 |
0.585 |
| 2016 |
198.8 |
0.591 |
| 2017 |
198.0 |
0.597 |
| 2018 |
197.3 |
0.602 |
| 2019 |
196.6 |
0.608 |
| 2020 |
195.8 |
0.614 |
| 2021 |
195.1 |
0.621 |
| 2022 |
194.4 |
0.627 |
| 2023 |
193.8 |
0.633 |
| 2024 |
193.1 |
0.639 |
| 2025 |
192.5 |
0.646 |
| 2026 |
191.8 |
0.652 |
| 2027 |
191.2 |
0.659 |
| 2028 |
190.6 |
0.665 |
| 2029 |
190.0 |
0.672 |
| 2030 |
189.4 |
0.678 |
|
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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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