01213+1132 BU    4AB

 
 
01H 21M 19.23S +11 32' 12.3" P.A. 106.9 SEP 0.59 MAG 7.12,8.86 SP F1III DIST. 206.61 PC (673.96 L.Y.)
 
 
Coord 2000
01213+1132
Discov num
BU    4
Comp
AB
Coord arcsec 2000
01 21 19.23 +11 32 12.3
Date first
1872
Date last
2015
Obs
92
Pa first
100
Pa last
117
P.A. Now (θ)
106.9°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.59"
Mag pri
7.12
Mag sec
8.86
delta mag (ΔM)
1.74
Spectral class
F1III (yellow-white)
Pri motion ra
+060
Sec motion ra
+060
Pri motion dec
+001
Sec motion dec
+001
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
01213+1132 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 92388 01213+1132 BU 4 AB 1872 2015 92 107 0.6 7.12 8.86 1.74 Y <===
Show 92388 01213+1132 BU 4 AC 1898 2015 8 250 29.3 7.12 13.60 6.48
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
92388
HIP
6334
Tycho2
0616-00939-1
HD
8187
ADS
1097
BD
BD+10 168
Distance
206.61
Distance ly
673.96
last precise pa
116.9
last precise sep
0.54
 
 
ORBITAL ELEMENTS
 
 
Period (P)291.05y Periastron (T)1942.93y Semi-major axis (a)0.43a
Eccentricity (e)0.89 Inclination (i)141° Longitude of periastron (ω)242.8°
Node (Ω)149.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.535 111.2
2001 0.539 110.9
2002 0.543 110.7
2003 0.547 110.4
2004 0.551 110.1
2005 0.555 109.9
2006 0.558 109.6
2007 0.562 109.3
2008 0.565 109.1
2009 0.569 108.8
2010 0.572 108.6
2011 0.575 108.3
2012 0.579 108.1
2013 0.582 107.8
2014 0.585 107.6
2015 0.588 107.4
2016 0.591 107.1
2017 0.594 106.9
2018 0.597 106.7
2019 0.600 106.5
2020 0.602 106.2
2021 0.605 106.0
2022 0.608 105.8
2023 0.610 105.6
2024 0.613 105.3
2025 0.615 105.1
2026 0.618 104.9
2027 0.620 104.7
2028 0.622 104.5
2029 0.624 104.3
2030 0.627 104.1

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