12597-0349 CHR  39Aa,Ab

 
 
12H 59M 39.55S -03 48' 43.0" P.A. 86.2 SEP 0.07 MAG 5.90,8.30 SP B9.5V DIST. 77.94 PC (254.24 L.Y.)
 
 
Coord 2000
12597-0349
Discov num
CHR  39
Comp
Aa,Ab
Coord arcsec 2000
12 59 39.55 -03 48 43.0
Date first
1983
Date last
2014
Obs
21
Pa first
187
Pa last
348
P.A. Now (θ)
86.2°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.07"
Mag pri
5.90
Mag sec
8.30
delta mag (ΔM)
2.4
Spectral class
B9.5V (blue-white)
Pri motion ra
-037
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
12597-0349 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 139086 12597-0349 CHR 39 Aa,Ab 1983 2014 21 86 0.1 5.90 8.30 2.40 Y <===
Show 44 Vir 139086 12597-0349 STF1704 AB 1782 2000 26 54 20.8 5.80 10.30 4.50
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Other name
k Vir
Constellation
Virgo
SAO
139086
HIP
63414
Tycho2
4953-01223-1
HD
112846
HR
4921
GC
17631
ADS
8727
BD
BD-03 3384
Flamsteed
44 Virginis
Flamsteed name
44 Vir
Distance
77.94
Distance ly
254.24
last precise pa
348.2
last precise sep
0.097
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.906y Periastron (T)2011.562y Semi-major axis (a)0.078a
Eccentricity (e)0.363 Inclination (i)19.3° Longitude of periastron (ω)174.9°
Node (Ω)21.6° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.106 23.2
2001 0.097 46.5
2002 0.078 78.1
2003 0.055 136.0
2004 0.051 229.9
2005 0.070 300.4
2006 0.091 338.2
2007 0.104 3.4
2008 0.106 25.3
2009 0.096 48.9
2010 0.076 82.0
2011 0.054 143.8
2012 0.052 238.4
2013 0.072 305.0
2014 0.093 340.9
2015 0.105 5.5
2016 0.105 27.3
2017 0.094 51.5
2018 0.073 86.2
2019 0.052 152.0
2020 0.054 246.5
2021 0.074 309.2
2022 0.094 343.5
2023 0.105 7.6
2024 0.105 29.4
2025 0.093 54.1
2026 0.071 90.6
2027 0.051 160.5
2028 0.055 254.3
2029 0.076 313.3
2030 0.096 346.0

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