01057+2128 YR    6Aa,Ab

 
 
01H 05M 40.93S +21 28' 23.6" P.A. 306.9 SEP 0.14 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
2014
Obs
19
Pa first
289
Pa last
298
P.A. Now (θ)
306.9°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.14"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 74482 01057+2128 YR 6 Aa,Ab 1999 2014 19 307 0.1 5.70 6.60 0.90 Y <===
Show Psi1 Psc 74482 01057+2128 STF 88 AB 1755 2016 159 159 29.8 5.27 5.45 0.18
Show 74482 01057+2128 STF 88 AC 1891 2000 14 123 90.8 5.27 10.71 5.44
Show 74483 01057+2128 STF 88 BC 1881 2000 16 108 69.1 5.45 10.71 5.26
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
74482
HIP
5131
Tycho2
1202-02124-1
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
last precise pa
297.7
last precise sep
0.105
 
 
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 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.099 296.1
2001 0.119 301.2
2002 0.132 305.0
2003 0.139 308.3
2004 0.135 311.5
2005 0.117 315.3
2006 0.078 321.6
2007 0.016 10.0
2008 0.059 132.1
2009 0.068 145.6
2010 0.049 163.3
2011 0.032 204.2
2012 0.040 258.3
2013 0.064 282.4
2014 0.089 293.0
2015 0.111 299.2
2016 0.127 303.4
2017 0.137 306.9
2018 0.138 310.1
2019 0.127 313.5
2020 0.098 318.2
2021 0.045 331.0
2022 0.036 120.2
2023 0.069 140.0
2024 0.058 154.0
2025 0.038 181.7
2026 0.033 237.8
2027 0.053 274.5
2028 0.078 289.2
2029 0.102 296.8
2030 0.121 301.7

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic