09013+1516 STF 1300 AB (HD 77175)
09h 01m 17.48s +15° 15' 56.8" P.A. 178.00 sep 5.0 mag 9.47,9.73 Sp M0V:p dist. 15.97 pc (52.09 l.y.)
| Coord 2000 |
09013+1516 |
|
Discov num |
STF1300 |
|
Comp |
AB |
|
Coord arcsec 2000 |
09 01 17.48 +15 15 56.8 |
|
| Date first |
1830 |
|
Date last |
2022 |
|
Obs |
189 |
|
| Pa first |
210 |
|
Pa last |
177.5 |
|
P.A. Now (θ) |
177.5° |
|
| Sep first |
4.1 |
|
Sep last |
4.989 |
|
Sep. Now (ρ) |
4.989" |
|
| Mag pri |
9.47 |
|
Mag sec |
9.73 |
|
delta mag (ΔM) |
0.26 |
|
Spectral class |
M0V:p (red) |
|
| Pri motion ra |
-126 |
|
Sec motion ra |
-108 |
|
| Pri motion dec |
-318 |
|
Sec motion dec |
-318 |
|
| Notes |
N
O
W
(See Notes, Orbital solution, ) |
|
rPM=0.053 (< 0.3, Physical double)
This double is physical.
09013+1516 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 77175 |
98295 |
09 01 17 +15 15 57 |
STF 1300 AB |
2022 |
189 |
178 |
5.0 |
9.47 |
9.73 |
0.26 |
Y |
<=== |
| Show |
|
98295 |
09 01 17 +15 15 57 |
ENG 9001 AC |
2015 |
8 |
13 |
202.5 |
9.47 |
9.93 |
0.46 |
|
|
| Show |
|
98295 |
09 01 17 +15 15 57 |
ENG 9001 AD |
2015 |
8 |
61 |
198.4 |
9.47 |
10.21 |
0.74 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 77175 |
|
Constellation |
Cancer |
|
SAO |
98295 |
|
HIP |
44295 |
|
| Tycho2 |
1394-01884-1 |
|
HD |
77175 |
|
GC |
12462 |
|
ADS |
7139 |
|
| BD |
BD+15 1957 |
|
Distance |
15.97 |
|
Distance ly |
52.09 |
|
ORBITAL ELEMENTS
| Period (P) | 878.8788y | ± 403.0795 |
Periastron (T) | 1734.0729y | ± 60.7265 |
Semi-major axis (a) | 5.03669a | ± 1.51389 |
| Eccentricity (e) | 0.41763 | ± 0.28989 |
Inclination (i) | 117.434° | ± 8.351 |
Longitude of periastron (ω) | 76.263° | ± 48.002 |
| Node (Ω) | 23.968° | ± 15.634 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
181.8 |
5.121 |
| 2001 |
181.7 |
5.116 |
| 2002 |
181.5 |
5.111 |
| 2003 |
181.3 |
5.106 |
| 2004 |
181.2 |
5.101 |
| 2005 |
181.0 |
5.096 |
| 2006 |
180.8 |
5.090 |
| 2007 |
180.7 |
5.085 |
| 2008 |
180.5 |
5.079 |
| 2009 |
180.3 |
5.073 |
| 2010 |
180.2 |
5.068 |
| 2011 |
180.0 |
5.062 |
| 2012 |
179.8 |
5.056 |
| 2013 |
179.7 |
5.050 |
| 2014 |
179.5 |
5.044 |
| 2015 |
179.3 |
5.038 |
| 2016 |
179.1 |
5.032 |
| 2017 |
179.0 |
5.025 |
| 2018 |
178.8 |
5.019 |
| 2019 |
178.6 |
5.013 |
| 2020 |
178.5 |
5.006 |
| 2021 |
178.3 |
5.000 |
| 2022 |
178.1 |
4.993 |
| 2023 |
177.9 |
4.986 |
| 2024 |
177.8 |
4.979 |
| 2025 |
177.6 |
4.973 |
| 2026 |
177.4 |
4.966 |
| 2027 |
177.2 |
4.959 |
| 2028 |
177.1 |
4.952 |
| 2029 |
176.9 |
4.944 |
| 2030 |
176.7 |
4.937 |
| 2031 |
176.5 |
4.930 |
| 2032 |
176.3 |
4.923 |
| 2033 |
176.2 |
4.915 |
| 2034 |
176.0 |
4.908 |
| 2035 |
175.8 |
4.900 |
| 2036 |
175.6 |
4.893 |
| 2037 |
175.4 |
4.885 |
| 2038 |
175.3 |
4.877 |
| 2039 |
175.1 |
4.870 |
| 2040 |
174.9 |
4.862 |
| 2041 |
174.7 |
4.854 |
| 2042 |
174.5 |
4.846 |
| 2043 |
174.3 |
4.838 |
| 2044 |
174.1 |
4.830 |
| 2045 |
174.0 |
4.822 |
| 2046 |
173.8 |
4.814 |
| 2047 |
173.6 |
4.806 |
| 2048 |
173.4 |
4.797 |
| 2049 |
173.2 |
4.789 |
| 2050 |
173.0 |
4.781 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
