02048+6030 A   957

 
 
02H 04M 48.71S +60 30' 22.7" P.A. 6.2 SEP 0.37 MAG 8.52,10.48 SP F8V DIST. 97.28 PC (317.33 L.Y.)
 
 
Coord 2000
02048+6030
Discov num
A   957
Comp
Coord arcsec 2000
02 04 48.71 +60 30 22.7
Date first
1905
Date last
2008
Obs
20
Pa first
107
Pa last
2
P.A. Now (θ)
6.2°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.37"
Mag pri
8.52
Mag sec
10.48
delta mag (ΔM)
1.96
Spectral class
F8V (yellow-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-031
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
12109
HIP
9704
Tycho2
4033-01304-1
HD
12529
ADS
1632
BD
BD+59 400
Distance
97.28
Distance ly
317.33
last precise pa
2
last precise sep
0.514
 
 
ORBITAL ELEMENTS
 
 
Period (P)219.97y Periastron (T)1870.07y Semi-major axis (a)0.471a
Eccentricity (e)0.462 Inclination (i)125.3° Longitude of periastron (ω)250.1°
Node (Ω)107.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.393 28.2
2001 0.391 27.0
2002 0.389 25.8
2003 0.387 24.6
2004 0.385 23.3
2005 0.384 22.1
2006 0.382 20.8
2007 0.381 19.5
2008 0.379 18.2
2009 0.378 16.9
2010 0.376 15.6
2011 0.375 14.3
2012 0.374 13.0
2013 0.373 11.6
2014 0.372 10.3
2015 0.371 8.9
2016 0.370 7.6
2017 0.370 6.2
2018 0.369 4.9
2019 0.369 3.5
2020 0.368 2.1
2021 0.368 0.8
2022 0.367 359.4
2023 0.367 358.0
2024 0.367 356.6
2025 0.367 355.2
2026 0.367 353.9
2027 0.367 352.5
2028 0.367 351.1
2029 0.367 349.7
2030 0.368 348.3

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