08358+0637 STF 1245 AB (HD 72945)
08h 35m 51.05s +06° 37' 13.9" P.A. 25.00 sep 10.1 mag 5.98,7.16 Sp F8V+G5V dist. 25.13 pc (81.97 l.y.)
| Coord 2000 |
08358+0637 |
|
Discov num |
STF1245 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 35 51.05 +06 37 13.9 |
|
| Date first |
1782 |
|
Date last |
2020 |
|
Obs |
112 |
|
| Pa first |
27 |
|
Pa last |
25.1 |
|
P.A. Now (θ) |
25.1° |
|
| Sep first |
12.5 |
|
Sep last |
10.12 |
|
Sep. Now (ρ) |
10.12" |
|
| Mag pri |
5.98 |
|
Mag sec |
7.16 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
F8V+G5V (yellow-white/yellow) |
|
| Pri motion ra |
-130 |
|
Sec motion ra |
-134 |
|
| Pri motion dec |
-133 |
|
Sec motion dec |
-138 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.033 (< 0.3, Physical double)
This double is physical.
08358+0637 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 72945 |
116929 |
08 35 51 +06 37 14 |
STF 1245 AB |
2020 |
112 |
25 |
10.1 |
5.98 |
7.16 |
1.18 |
Y |
<=== |
| Show |
|
116929 |
08 35 51 +06 37 14 |
STF 1245 AC |
2020 |
15 |
109 |
99.8 |
5.98 |
10.70 |
4.72 |
|
|
| Show |
|
116929 |
08 35 51 +06 37 14 |
STF 1245 AD |
2020 |
12 |
292 |
109.1 |
5.98 |
11.91 |
5.93 |
|
|
| Show |
|
116929 |
08 35 51 +06 37 14 |
STF 1245 AE |
2020 |
20 |
207 |
113.2 |
5.98 |
9.60 |
3.62 |
|
|
| Show |
|
116929 |
08 35 51 +06 37 14 |
ANT 4 AF |
2015 |
4 |
72 |
47.3 |
5.98 |
14.60 |
8.62 |
|
|
| Show |
|
116929 |
08 35 51 +06 37 14 |
ANT 4 AG |
2016 |
4 |
211 |
120.5 |
5.98 |
12.30 |
6.32 |
|
|
| Show |
|
|
08 35 47 +06 35 29 |
ANT 4 EG |
2017 |
10 |
263 |
11.8 |
9.60 |
12.30 |
2.70 |
|
|
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 72945 |
|
Constellation |
Cancer |
|
SAO |
116929 |
|
HIP |
42172 |
|
| Tycho2 |
0222-01709-1 |
|
Gaia DR2 |
594989348593414016 |
|
HD |
72945 |
|
HR |
3395 |
|
| GC |
11781 |
|
ADS |
6886 |
|
GL |
Gl 310.1A |
|
BD |
BD+07 1997 |
|
| Distance |
25.13 |
|
Distance ly |
81.97 |
|
ORBITAL ELEMENTS
| Period (P) | 1959y | ± 820 |
Periastron (T) | 3052.4125y | ± 8.76 |
Semi-major axis (a) | 7.8a | ± 2 |
| Eccentricity (e) | 0.44 | ± 0.31 |
Inclination (i) | 95.5° | ± 2.7 |
Longitude of periastron (ω) | 68.9° | ± 1.1 |
| Node (Ω) | 27° | ± 180 |
Notes | n | |
Reference | Bdt2021b | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
196.3 |
5.154 |
| 2001 |
196.3 |
5.141 |
| 2002 |
196.2 |
5.128 |
| 2003 |
196.2 |
5.115 |
| 2004 |
196.2 |
5.102 |
| 2005 |
196.1 |
5.089 |
| 2006 |
196.1 |
5.075 |
| 2007 |
196.1 |
5.062 |
| 2008 |
196.0 |
5.049 |
| 2009 |
196.0 |
5.036 |
| 2010 |
195.9 |
5.023 |
| 2011 |
195.9 |
5.010 |
| 2012 |
195.9 |
4.996 |
| 2013 |
195.8 |
4.983 |
| 2014 |
195.8 |
4.970 |
| 2015 |
195.7 |
4.957 |
| 2016 |
195.7 |
4.943 |
| 2017 |
195.7 |
4.930 |
| 2018 |
195.6 |
4.917 |
| 2019 |
195.6 |
4.904 |
| 2020 |
195.5 |
4.890 |
| 2021 |
195.5 |
4.877 |
| 2022 |
195.5 |
4.864 |
| 2023 |
195.4 |
4.850 |
| 2024 |
195.4 |
4.837 |
| 2025 |
195.3 |
4.823 |
| 2026 |
195.3 |
4.810 |
| 2027 |
195.3 |
4.797 |
| 2028 |
195.2 |
4.783 |
| 2029 |
195.2 |
4.770 |
| 2030 |
195.1 |
4.756 |
|
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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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