01131+2942 A 1260 AB
01h 13m 08.90s +29° 41' 59.1" P.A. 63.00 sep 0.2 mag 9.19,9.40 Sp G0
| Coord 2000 |
01131+2942 |
|
Discov num |
A 1260 |
|
Comp |
AB |
|
Coord arcsec 2000 |
01 13 08.90 +29 41 59.1 |
|
| Date first |
1905 |
|
Date last |
2014 |
|
Obs |
26 |
|
| Pa first |
255 |
|
Pa last |
63 |
|
P.A. Now (θ) |
73° |
|
| Sep first |
0.2 |
|
Sep last |
0.223 |
|
Sep. Now (ρ) |
0.125" |
|
| Mag pri |
9.19 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
-030 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01131+2942 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
74562 |
01 13 09 +29 41 59 |
A 1260 AB |
2014 |
26 |
63 |
0.2 |
9.19 |
9.40 |
0.21 |
Y |
<=== |
| Show |
HD 7255 |
74562 |
01 13 09 +29 41 59 |
GRV 76 AC |
2015 |
10 |
170 |
61.6 |
9.19 |
11.00 |
1.81 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pisces |
|
SAO |
74562 |
|
Tycho2 |
1753-00396-1 |
|
Gaia DR2 |
309754626231138560 |
|
| HD |
7255 |
|
ADS |
993 |
|
ORBITAL ELEMENTS
| Period (P) | 137.17y | |
Periastron (T) | 2029.43y | |
Semi-major axis (a) | 0.288a | |
| Eccentricity (e) | 0.489 | |
Inclination (i) | 78.1° | |
Longitude of periastron (ω) | 274.29° | |
| Node (Ω) | 242.2° | |
Notes | n | |
Reference | Msn2017a | |
| Equinox | 2000 | |
Last observation | 2009 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
53.4 |
0.262 |
| 2001 |
54.0 |
0.263 |
| 2002 |
54.6 |
0.263 |
| 2003 |
55.1 |
0.264 |
| 2004 |
55.7 |
0.264 |
| 2005 |
56.3 |
0.263 |
| 2006 |
56.8 |
0.262 |
| 2007 |
57.4 |
0.260 |
| 2008 |
58.0 |
0.258 |
| 2009 |
58.6 |
0.255 |
| 2010 |
59.2 |
0.252 |
| 2011 |
59.8 |
0.248 |
| 2012 |
60.5 |
0.243 |
| 2013 |
61.1 |
0.237 |
| 2014 |
61.8 |
0.231 |
| 2015 |
62.6 |
0.223 |
| 2016 |
63.4 |
0.215 |
| 2017 |
64.3 |
0.206 |
| 2018 |
65.3 |
0.195 |
| 2019 |
66.4 |
0.184 |
| 2020 |
67.6 |
0.171 |
| 2021 |
69.1 |
0.157 |
| 2022 |
70.8 |
0.142 |
| 2023 |
73.0 |
0.125 |
| 2024 |
75.9 |
0.108 |
| 2025 |
80.0 |
0.090 |
| 2026 |
86.1 |
0.071 |
| 2027 |
96.7 |
0.052 |
| 2028 |
117.3 |
0.037 |
| 2029 |
154.7 |
0.030 |
| 2030 |
190.6 |
0.038 |
|
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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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