01551+2847 STF 183 AB
01h 55m 07.39s +28° 47' 52.6" P.A. 142.00 sep 0.3 mag 7.67,10.00 Sp F2 dist. 165.84 pc (540.97 l.y.)
| Coord 2000 |
01551+2847 |
|
Discov num |
STF 183 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 55 07.39 +28 47 52.6 |
|
| Date first |
1833 |
|
Date last |
2013 |
|
Obs |
130 |
|
| Pa first |
22 |
|
Pa last |
141.5 |
|
P.A. Now (θ) |
135.7° |
|
| Sep first |
0.6 |
|
Sep last |
0.307 |
|
Sep. Now (ρ) |
0.361" |
|
| Mag pri |
7.67 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
2.33 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+028 |
|
Sec motion ra |
+028 |
|
| Pri motion dec |
-035 |
|
Sec motion dec |
-035 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01551+2847 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
75020 |
01 55 07 +28 47 53 |
STF 183 AB |
2013 |
130 |
142 |
0.3 |
7.67 |
10.00 |
2.33 |
Y |
<=== |
| Show |
HD 11671 |
75020 |
01 55 07 +28 47 53 |
STF 183 AB,C |
2018 |
95 |
162 |
5.6 |
7.67 |
9.26 |
1.59 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Triangulum |
|
SAO |
75020 |
|
HIP |
8938 |
|
Tycho2 |
1763-00418-1 |
|
| Gaia DR2 |
299177771048596096 |
|
HD |
11671 |
|
GC |
2314 |
|
ADS |
1522 |
|
| BD |
BD+28 319 |
|
Distance |
165.84 |
|
Distance ly |
540.97 |
|
ORBITAL ELEMENTS
| Period (P) | 332.79y | |
Periastron (T) | 1966.42y | |
Semi-major axis (a) | 0.489a | |
| Eccentricity (e) | 0.523 | |
Inclination (i) | 121.3° | |
Longitude of periastron (ω) | 290.5° | |
| Node (Ω) | 170.3° | |
Notes | n | |
Reference | USN2000b | |
| Equinox | | |
Last observation | 1997 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
156.2 |
0.346 |
| 2001 |
155.3 |
0.348 |
| 2002 |
154.4 |
0.350 |
| 2003 |
153.4 |
0.352 |
| 2004 |
152.5 |
0.353 |
| 2005 |
151.6 |
0.355 |
| 2006 |
150.7 |
0.356 |
| 2007 |
149.8 |
0.357 |
| 2008 |
148.9 |
0.358 |
| 2009 |
148.0 |
0.359 |
| 2010 |
147.1 |
0.359 |
| 2011 |
146.2 |
0.360 |
| 2012 |
145.3 |
0.361 |
| 2013 |
144.5 |
0.361 |
| 2014 |
143.6 |
0.361 |
| 2015 |
142.7 |
0.362 |
| 2016 |
141.8 |
0.362 |
| 2017 |
141.0 |
0.362 |
| 2018 |
140.1 |
0.362 |
| 2019 |
139.2 |
0.362 |
| 2020 |
138.3 |
0.362 |
| 2021 |
137.4 |
0.362 |
| 2022 |
136.6 |
0.361 |
| 2023 |
135.7 |
0.361 |
| 2024 |
134.8 |
0.361 |
| 2025 |
133.9 |
0.361 |
| 2026 |
133.1 |
0.360 |
| 2027 |
132.2 |
0.360 |
| 2028 |
131.3 |
0.360 |
| 2029 |
130.4 |
0.359 |
| 2030 |
129.5 |
0.359 |
| 2031 |
128.6 |
0.358 |
| 2032 |
127.7 |
0.358 |
| 2033 |
126.8 |
0.357 |
| 2034 |
125.9 |
0.357 |
| 2035 |
125.0 |
0.356 |
| 2036 |
124.1 |
0.356 |
| 2037 |
123.2 |
0.355 |
| 2038 |
122.3 |
0.355 |
| 2039 |
121.4 |
0.354 |
| 2040 |
120.5 |
0.354 |
| 2041 |
119.6 |
0.353 |
| 2042 |
118.7 |
0.353 |
| 2043 |
117.7 |
0.353 |
| 2044 |
116.8 |
0.352 |
| 2045 |
115.9 |
0.352 |
| 2046 |
115.0 |
0.351 |
| 2047 |
114.0 |
0.351 |
| 2048 |
113.1 |
0.351 |
| 2049 |
112.2 |
0.350 |
| 2050 |
111.2 |
0.350 |
|
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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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