01057+2128 YR 6 Aa,Ab
01h 05m 40.93s +21° 28' 23.6" P.A. 312.00 sep 0.1 mag 5.70,6.60 Sp B9.5V dist. 84.32 pc (275.05 l.y.)
| Coord 2000 |
01057+2128 |
|
Discov num |
YR 6 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
01 05 40.93 +21 28 23.6 |
|
| Date first |
1999 |
|
Date last |
2017 |
|
Obs |
21 |
|
| Pa first |
289 |
|
Pa last |
312 |
|
P.A. Now (θ) |
140° |
|
| Sep first |
0.1 |
|
Sep last |
0.141 |
|
Sep. Now (ρ) |
0.069" |
|
| Mag pri |
5.70 |
|
Mag sec |
6.60 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
B9.5V (blue-white) |
|
| Pri motion ra |
+044 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01057+2128 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
74482 |
01 05 41 +21 28 24 |
YR 6 Aa,Ab |
2017 |
21 |
312 |
0.1 |
5.70 |
6.60 |
0.90 |
Y |
<=== |
| Show |
Psi1 Psc |
74482 |
01 05 41 +21 28 24 |
STF 88 AB |
2020 |
166 |
159 |
29.9 |
5.27 |
5.45 |
0.18 |
|
|
| Show |
|
74482 |
01 05 41 +21 28 24 |
STF 88 AC |
2017 |
15 |
124 |
90.4 |
5.27 |
10.71 |
5.44 |
|
|
| Show |
|
74483 |
01 05 42 +21 27 56 |
STF 88 BC |
2017 |
18 |
109 |
68.5 |
5.45 |
10.71 |
5.26 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV397 Psc |
|
Constellation |
Pisces |
|
SAO |
74482 |
|
HIP |
5131 |
|
| Tycho2 |
1202-02124-1 |
|
Gaia DR2 |
2790497534190737152 |
|
HD |
6456 |
|
HR |
310 |
|
| GC |
1309 |
|
ADS |
899 |
|
BD |
BD+20 156 |
|
Bayer |
Psi 1 Piscium |
|
| Bayer name |
Psi1 Psc |
|
Flamsteed |
74 Piscium |
|
Flamsteed name |
74 Psc |
|
Distance |
84.32 |
|
| Distance ly |
275.05 |
|
Bayer greek |
ψ1 Psc |
|
ORBITAL ELEMENTS
| Period (P) | 14.44y | ± 0.26 |
Periastron (T) | 2007.512y | ± 0.041 |
Semi-major axis (a) | 0.1143a | ± 0.0017 |
| Eccentricity (e) | 0.519 | ± 0.027 |
Inclination (i) | 77.43° | ± 0.81 |
Longitude of periastron (ω) | 305.4° | ± 2.3 |
| Node (Ω) | 134.8° | ± 1.2 |
Notes | n | |
Reference | Hor2010 | |
| Equinox | 2000 | |
Last observation | 2010 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
296.1 |
0.099 |
| 2001 |
301.2 |
0.119 |
| 2002 |
305.0 |
0.132 |
| 2003 |
308.3 |
0.139 |
| 2004 |
311.5 |
0.135 |
| 2005 |
315.3 |
0.117 |
| 2006 |
321.6 |
0.078 |
| 2007 |
10.0 |
0.016 |
| 2008 |
132.1 |
0.059 |
| 2009 |
145.6 |
0.068 |
| 2010 |
163.3 |
0.049 |
| 2011 |
204.2 |
0.032 |
| 2012 |
258.3 |
0.040 |
| 2013 |
282.4 |
0.064 |
| 2014 |
293.0 |
0.089 |
| 2015 |
299.2 |
0.111 |
| 2016 |
303.4 |
0.127 |
| 2017 |
306.9 |
0.137 |
| 2018 |
310.1 |
0.138 |
| 2019 |
313.5 |
0.127 |
| 2020 |
318.2 |
0.098 |
| 2021 |
331.0 |
0.045 |
| 2022 |
120.2 |
0.036 |
| 2023 |
140.0 |
0.069 |
| 2024 |
154.0 |
0.058 |
| 2025 |
181.7 |
0.038 |
| 2026 |
237.8 |
0.033 |
| 2027 |
274.5 |
0.053 |
| 2028 |
289.2 |
0.078 |
| 2029 |
296.8 |
0.102 |
| 2030 |
301.7 |
0.121 |
| 2031 |
305.4 |
0.134 |
| 2032 |
308.7 |
0.139 |
| 2033 |
311.9 |
0.133 |
| 2034 |
315.8 |
0.113 |
| 2035 |
322.9 |
0.072 |
| 2036 |
48.4 |
0.013 |
| 2037 |
134.0 |
0.063 |
| 2038 |
147.2 |
0.066 |
| 2039 |
166.5 |
0.047 |
| 2040 |
211.4 |
0.031 |
| 2041 |
262.6 |
0.043 |
| 2042 |
284.1 |
0.067 |
| 2043 |
293.9 |
0.092 |
| 2044 |
299.8 |
0.113 |
| 2045 |
303.9 |
0.129 |
| 2046 |
307.3 |
0.138 |
| 2047 |
310.4 |
0.137 |
| 2048 |
313.9 |
0.124 |
| 2049 |
319.0 |
0.093 |
| 2050 |
335.4 |
0.037 |
|
|
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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