08486+0237 A  2551

 
 
08h 48m 36.68s +02 36' 35.8" P.A. 123 sep 0.1 mag 9.60,10.30 Sp F8
 
 
Coord 2000
08486+0237
Discov num
A  2551
Comp
Coord arcsec 2000
08 48 36.68 +02 36 35.8
Date first
1913
Date last
2016
Obs
16
Pa first
46
Pa last
118
P.A. Now (θ)
123°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.60
Mag sec
10.30
delta mag (ΔM)
0.7
Spectral class
F8 (yellow-white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
-039
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.5
Precise sep
0.111
Constellation
Hydra
Tycho2
0216-01020-1
HD
75192
ADS
7010
last precise pa
117.5
last precise sep
0.111
 
 
ORBITAL ELEMENTS
 
 
Period (P)73.31y Periastron (T)1952.63y Semi-major axis (a)0.133a
Eccentricity (e)0.619 Inclination (i)22.8° Longitude of periastron (ω)52.3°
Node (Ω)182.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2016
label rho theta
2000 0.188 69.2
2001 0.185 71.0
2002 0.182 72.9
2003 0.179 74.8
2004 0.176 76.8
2005 0.172 78.9
2006 0.168 81.1
2007 0.164 83.3
2008 0.160 85.7
2009 0.155 88.3
2010 0.150 91.0
2011 0.145 93.9
2012 0.140 97.0
2013 0.134 100.3
2014 0.128 104.0
2015 0.122 108.0
2016 0.116 112.4
2017 0.109 117.4
2018 0.102 123.0
2019 0.095 129.5
2020 0.088 137.0
2021 0.080 145.9
2022 0.073 156.7
2023 0.065 170.1
2024 0.058 186.9
2025 0.052 208.1
2026 0.048 233.7
2027 0.049 260.9
2028 0.054 284.9
2029 0.062 303.7
2030 0.072 317.8

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

grafico orbita





wds08486%2B0237e.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
08486+0237 A 2551 1990 9 48 0.2 9.60 10.30 F8 NO 084836.68+023635.8
08486+0237 A 2551 2009 10 89 0.2 9.60 10.30 F8 NO 084836.68+023635.8
08486+0237 A 2551 2010 12 93 0.1 9.60 10.30 F8 NO 084836.68+023635.8
08486+0237 A 2551 2013 13 101 0.1 9.60 10.30 F8 NO 084836.68+023635.8
08486+0237 A 2551 2014 14 105 0.1 9.60 10.30 F8 NO 084836.68+023635.8
08486+0237 A 2551 2016 16 118 0.1 9.60 10.30 F8 NO 084836.68+023635.8

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