01450+2703 COU 750

 
 
01h 44m 58.89s +27 02' 47.6" P.A. 34.2 sep 0.36 mag 9.70,9.70 Sp K2
 
 
Coord 2000
01450+2703
Discov num
COU 750
Comp
Coord arcsec 2000
01 44 58.89 +27 02 47.6
Date first
1972
Date last
2009
Obs
14
Pa first
50
Pa last
27
P.A. Now (θ)
34.2°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.36"
Mag pri
9.70
Mag sec
9.70
delta mag (ΔM)
0
Spectral class
K2 (yellow-orange)
Pri motion ra
+014
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26.9
Precise sep
0.28
Cdsa2 id
COU 750
Constellation
Pisces
SAO
74902
Tycho2
1759-01857-1
Ra deg
1.7496916666666666
De deg
27.046555555555557
last precise pa
26.9
last precise sep
0.28
 
 
ORBITAL ELEMENTS
 
 
Period (P)58.18y Periastron (T)2000.4y Semi-major axis (a)0.356a
Eccentricity (e)0.752 Inclination (i)80.9° Longitude of periastron (ω)247.4°
Node (Ω)23.2° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.070 211.2
2001 0.029 352.2
2002 0.111 17.0
2003 0.173 21.2
2004 0.219 23.3
2005 0.255 24.7
2006 0.282 25.9
2007 0.304 26.8
2008 0.321 27.7
2009 0.334 28.4
2010 0.344 29.1
2011 0.352 29.8
2012 0.358 30.4
2013 0.361 31.1
2014 0.363 31.7
2015 0.363 32.3
2016 0.362 32.9
2017 0.360 33.6
2018 0.356 34.2
2019 0.352 34.9
2020 0.346 35.5
2021 0.340 36.2
2022 0.332 37.0
2023 0.324 37.7
2024 0.315 38.5
2025 0.306 39.4
2026 0.296 40.3
2027 0.285 41.2
2028 0.274 42.3
2029 0.262 43.4
2030 0.250 44.7

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds01450%2B2703b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01450+2703 COU 750 2004 12 25 0.3 9.70 9.70 K2 NO 014458.89+270247.6
01450+2703 COU 750 2007 13 26 0.3 9.70 9.70 K2 NO 014458.89+270247.6
01450+2703 COU 750 2009 14 27 0.3 9.70 9.70 K2 NO 014458.89+270247.6

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