02471+3533 BU 9 AB (HD 17240)
02h 47m 03.60s +35° 33' 17.3" P.A. 217.00 sep 0.9 mag 6.42,8.64 Sp F0IV dist. 50.61 pc (165.09 l.y.)
| Coord 2000 |
02471+3533 |
|
Discov num |
BU 9 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 47 03.60 +35 33 17.3 |
|
| Date first |
1872 |
|
Date last |
2016 |
|
Obs |
66 |
|
| Pa first |
165 |
|
Pa last |
217.3 |
|
P.A. Now (θ) |
217.3° |
|
| Sep first |
1.5 |
|
Sep last |
0.925 |
|
Sep. Now (ρ) |
0.925" |
|
| Mag pri |
6.42 |
|
Mag sec |
8.64 |
|
delta mag (ΔM) |
2.22 |
|
Spectral class |
F0IV (yellow-white) |
|
| Pri motion ra |
-040 |
|
Sec motion ra |
-040 |
|
| Pri motion dec |
-054 |
|
Sec motion dec |
-054 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
02471+3533 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 17240 |
55872 |
02 47 04 +35 33 17 |
BU 9 AB |
2016 |
66 |
217 |
0.9 |
6.42 |
8.64 |
2.22 |
Y |
<=== |
| Show |
|
55872 |
02 47 04 +35 33 17 |
BU 9 AC |
2015 |
6 |
128 |
30.6 |
6.42 |
13.30 |
6.88 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 17240 |
|
Constellation |
Perseus |
|
SAO |
55872 |
|
HIP |
12990 |
|
| Tycho2 |
2333-00738-1 |
|
Gaia DR2 |
140919702344897024 |
|
HD |
17240 |
|
HR |
820 |
|
| GC |
3337 |
|
ADS |
2117 |
|
BD |
BD+34 513 |
|
Distance |
50.61 |
|
| Distance ly |
165.09 |
|
ORBITAL ELEMENTS
| Period (P) | 616y | |
Periastron (T) | 1952y | |
Semi-major axis (a) | 1.882a | |
| Eccentricity (e) | 0.1 | |
Inclination (i) | 67.3° | |
Longitude of periastron (ω) | 21.5° | |
| Node (Ω) | 174° | |
Notes | | |
Reference | Zir2015a | |
| Equinox | 2000 | |
Last observation | 2009 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
203.4 |
1.116 |
| 2001 |
204.0 |
1.104 |
| 2002 |
204.7 |
1.092 |
| 2003 |
205.4 |
1.080 |
| 2004 |
206.1 |
1.068 |
| 2005 |
206.8 |
1.056 |
| 2006 |
207.5 |
1.044 |
| 2007 |
208.2 |
1.032 |
| 2008 |
209.0 |
1.020 |
| 2009 |
209.8 |
1.008 |
| 2010 |
210.6 |
0.996 |
| 2011 |
211.4 |
0.984 |
| 2012 |
212.2 |
0.972 |
| 2013 |
213.0 |
0.960 |
| 2014 |
213.9 |
0.949 |
| 2015 |
214.8 |
0.937 |
| 2016 |
215.7 |
0.926 |
| 2017 |
216.7 |
0.915 |
| 2018 |
217.6 |
0.904 |
| 2019 |
218.6 |
0.893 |
| 2020 |
219.6 |
0.882 |
| 2021 |
220.7 |
0.871 |
| 2022 |
221.7 |
0.861 |
| 2023 |
222.8 |
0.850 |
| 2024 |
223.9 |
0.840 |
| 2025 |
225.1 |
0.830 |
| 2026 |
226.2 |
0.821 |
| 2027 |
227.4 |
0.811 |
| 2028 |
228.6 |
0.802 |
| 2029 |
229.9 |
0.793 |
| 2030 |
231.2 |
0.785 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 02471+3533 BU 9 AB (HD 17240) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Zir2015a |
orb - |
Zirm, H. |
2015IAUDS.185....1Z |
| Zir2015a |
|
Inf. Circ. 185, 1, 2015 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
BU |
Burnham, S.W. (BU 1 - 81) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 02471+3533 |
BU 9 |
AB |
2005 |
57 |
207 |
1.0 |
6.42 |
8.64 |
F0IV |
D |
024703.60+353317.3 |
| 02471+3533 |
BU 9 |
AB |
2009 |
58 |
210 |
1.0 |
6.42 |
8.64 |
F0IV |
D |
024703.60+353317.3 |
| 02471+3533 |
BU 9 |
AB |
2013 |
60 |
211 |
0.9 |
6.42 |
8.64 |
F0IV |
O |
024703.60+353317.3 |
| 02471+3533 |
BU 9 |
AB |
2015 |
61 |
218 |
0.9 |
6.42 |
8.64 |
F0IV |
O |
024703.60+353317.3 |
| 02471+3533 |
BU 9 |
AB |
2016 |
65 |
217 |
0.9 |
6.42 |
8.64 |
F0IV |
O |
024703.60+353317.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 02471+3533 BU 9 AB (HD 17240) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 02471+3533 BU 9 AB (HD 17240) : MEASURES
No records found.
WDS 02471+3533 (HD 17240) : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 02471+3533 (HD 17240) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
