07128+2713 STF 1037 AB (NSV3453)
07h 12m 49.08s +27° 13' 30.2" P.A. 302.00 sep 0.8 mag 7.24,7.27 Sp F8V dist. 42.48 pc (138.57 l.y.)
| Coord 2000 |
07128+2713 |
|
Discov num |
STF1037 |
|
Comp |
AB |
|
Coord arcsec 2000 |
07 12 49.08 +27 13 30.2 |
|
| Date first |
1827 |
|
Date last |
2021 |
|
Obs |
449 |
|
| Pa first |
338 |
|
Pa last |
302.3 |
|
P.A. Now (θ) |
299.8° |
|
| Sep first |
1.2 |
|
Sep last |
0.77 |
|
Sep. Now (ρ) |
0.759" |
|
| Mag pri |
7.24 |
|
Mag sec |
7.27 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
-101 |
|
Sec motion dec |
-101 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
07128+2713 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
NSV3453 |
79170 |
07 12 49 +27 13 30 |
STF 1037 AB |
2021 |
449 |
302 |
0.8 |
7.24 |
7.27 |
0.03 |
Y |
<=== |
| Show |
|
79170 |
07 12 49 +27 13 30 |
STT 166 AC |
2015 |
18 |
77 |
13.8 |
7.24 |
12.80 |
5.56 |
|
|
| Show |
|
|
07 12 49 +27 13 30 |
STT 166 BC |
2014 |
11 |
71 |
14.2 |
7.27 |
12.70 |
5.43 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV3453 |
|
Constellation |
Gemini |
|
SAO |
79170 |
|
HIP |
34860 |
|
| Tycho2 |
1904-01418-1 |
|
Gaia DR2 |
883596165745303680 |
|
HD |
55130 |
|
HR |
2711 |
|
| GC |
9532 |
|
ADS |
5871 |
|
BD |
BD+27 1337 |
|
Distance |
42.48 |
|
| Distance ly |
138.57 |
|
ORBITAL ELEMENTS
| Period (P) | 118.35y | ± 0.46 |
Periastron (T) | 1920.34y | ± 0.01 |
Semi-major axis (a) | 0.794a | ± 0.02 |
| Eccentricity (e) | 0.933 | ± 0.002 |
Inclination (i) | 144.7° | ± 1.3 |
Longitude of periastron (ω) | 259.5° | ± 1.9 |
| Node (Ω) | 38.5° | ± 2.1 |
Notes | n | |
Reference | Sca2015b | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
313.6 |
1.156 |
| 2001 |
313.2 |
1.146 |
| 2002 |
312.7 |
1.135 |
| 2003 |
312.3 |
1.123 |
| 2004 |
311.8 |
1.111 |
| 2005 |
311.4 |
1.099 |
| 2006 |
310.9 |
1.086 |
| 2007 |
310.4 |
1.072 |
| 2008 |
309.9 |
1.058 |
| 2009 |
309.4 |
1.043 |
| 2010 |
308.9 |
1.028 |
| 2011 |
308.4 |
1.011 |
| 2012 |
307.8 |
0.995 |
| 2013 |
307.2 |
0.977 |
| 2014 |
306.6 |
0.959 |
| 2015 |
306.0 |
0.940 |
| 2016 |
305.3 |
0.921 |
| 2017 |
304.7 |
0.900 |
| 2018 |
303.9 |
0.879 |
| 2019 |
303.2 |
0.857 |
| 2020 |
302.4 |
0.834 |
| 2021 |
301.6 |
0.810 |
| 2022 |
300.7 |
0.785 |
| 2023 |
299.8 |
0.759 |
| 2024 |
298.7 |
0.732 |
| 2025 |
297.6 |
0.704 |
| 2026 |
296.5 |
0.674 |
| 2027 |
295.2 |
0.643 |
| 2028 |
293.7 |
0.611 |
| 2029 |
292.1 |
0.576 |
| 2030 |
290.3 |
0.540 |
|
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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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