02379+2003 A  2219

02H 37M 55.15S +20 03' 09.7" P.A. 141.3 SEP 0.38 MAG 9.48,9.34 SP F0 DIST. 266.67 PC (869.88 L.Y.)

Coord 2000
02379+2003
Discov num
A  2219
Comp
Coord arcsec 2000
02 37 55.15 +20 03 09.7
Date first
1910
Date last
2015
Obs
25
Pa first
301
Pa last
146
P.A. Now (θ)
141.3°
Sep first
0.3
Sep last
0.5
Sep. Now (ρ)
0.38"
Mag pri
9.48
Mag sec
9.34
delta mag (ΔM)
0.14
Spectral class
F0 (yellow-white)
Pri motion ra
+015
Sec motion ra
+015
Pri motion dec
-006
Sec motion dec
-006
Notes
O (Orbital solution)


This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Constellation
Aries
SAO
93031
HIP
12266
Tycho2
1222-00663-1
HD
16352
ADS
1993
BD
BD+19 391
Distance
266.67
Distance ly
869.88
last precise pa
146.4
last precise sep
0.46




ORBITAL ELEMENTS

Period (P)345.58y Periastron (T)1948.58y Semi-major axis (a)0.331a
Eccentricity (e)0.906 Inclination (i)132.5° Longitude of periastron (ω)208.1°
Node (Ω)155° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015

label rho theta
2000 0.401 149.3
2001 0.405 149.1
2002 0.409 148.9
2003 0.413 148.7
2004 0.417 148.5
2005 0.421 148.3
2006 0.425 148.2
2007 0.428 148.0
2008 0.432 147.8
2009 0.436 147.6
2010 0.439 147.5
2011 0.443 147.3
2012 0.446 147.1
2013 0.450 147.0
2014 0.453 146.8
2015 0.456 146.6
2016 0.459 146.5
2017 0.463 146.3
2018 0.466 146.2
2019 0.469 146.0
2020 0.472 145.9
2021 0.475 145.7
2022 0.478 145.6
2023 0.481 145.5
2024 0.484 145.3
2025 0.486 145.2
2026 0.489 145.0
2027 0.492 144.9
2028 0.495 144.8
2029 0.497 144.6
2030 0.500 144.5

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