09013+1516 STF1300AB

 
 
09H 01M 17.48S +15 15' 56.8" P.A. 178.7 SEP 5.03 MAG 9.47,9.73 SP M0V:P DIST. 15.97 PC (52.09 L.Y.)
 
 
Coord 2000
09013+1516
Discov num
STF1300
Comp
AB
Coord arcsec 2000
09 01 17.48 +15 15 56.8
Date first
1830
Date last
2016
Obs
166
Pa first
210
Pa last
179
P.A. Now (θ)
178.7°
Sep first
4.1
Sep last
5.0
Sep. Now (ρ)
5.03"
Mag pri
9.47
Mag sec
9.73
delta mag (ΔM)
0.26
Spectral class
M0V:p (red)
Pri motion ra
-126
Sec motion ra
-108
Pri motion dec
-318
Sec motion dec
-318
Notes
N O (See Notes, Orbital solution)
rPM=0.053 (< 0.3, Physical double)
This double is physical.
 
 
09013+1516 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 98295 09013+1516 STF1300 AB 1830 2016 166 179 5.0 9.47 9.73 0.26 Y <===
Show 98295 09013+1516 ENG9001 AC 1884 2014 7 13 202.3 9.47 9.93 0.46
Show 98295 09013+1516 ENG9001 AD 1884 2014 7 61 198.2 9.47 10.21 0.74
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.2
Precise sep
4.984
Constellation
Cancer
SAO
98295
HIP
44295
Tycho2
1394-01884-1
HD
77175
ADS
7139
GL
GJ 1120A
BD
BD+15 1957
Distance
15.97
Distance ly
52.09
last precise pa
179.2
last precise sep
4.984
 
 
ORBITAL ELEMENTS
 
 
Period (P)1131.83y Periastron (T)2160.36y Semi-major axis (a)6.066a
Eccentricity (e)0.409 Inclination (i)114.9° Longitude of periastron (ω)80.4°
Node (Ω)174° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 5.152 181.7
2001 5.146 181.5
2002 5.140 181.3
2003 5.134 181.1
2004 5.128 181.0
2005 5.121 180.8
2006 5.114 180.6
2007 5.108 180.5
2008 5.100 180.3
2009 5.093 180.1
2010 5.085 179.9
2011 5.078 179.8
2012 5.070 179.6
2013 5.061 179.4
2014 5.053 179.2
2015 5.045 179.1
2016 5.036 178.9
2017 5.027 178.7
2018 5.017 178.5
2019 5.008 178.3
2020 4.998 178.2
2021 4.989 178.0
2022 4.978 177.8
2023 4.968 177.6
2024 4.958 177.4
2025 4.947 177.3
2026 4.936 177.1
2027 4.925 176.9
2028 4.913 176.7
2029 4.902 176.5
2030 4.890 176.3

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