06478+0020 STT 157

 
 
06h 47m 47.56s +00 20' 24.5" P.A. 157.6 sep 0.51 mag 7.18,9.16 Sp A2 dist. 187.27 pc (610.87 l.y.)
 
 
Coord 2000
06478+0020
Discov num
STT 157
Comp
Coord arcsec 2000
06 47 47.56 +00 20 24.5
Date first
1847
Date last
2016
Obs
98
Pa first
5
Pa last
163
P.A. Now (θ)
157.6°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.51"
Mag pri
7.18
Mag sec
9.16
delta mag (ΔM)
1.98
Spectral class
A2 (white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
+003
Sec motion dec
+003
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
162.7
Precise sep
0.562
Constellation
Monoceros
SAO
114426
HIP
32572
Tycho2
0148-02059-1
HD
49294
ADS
5455
BD
BD+00 1604
Distance
187.27
Distance ly
610.87
last precise pa
162.7
last precise sep
0.562
 
 
ORBITAL ELEMENTS
 
 
Period (P)307.83y± 22.25 Periastron (T)1984.66y± 7.84 Semi-major axis (a)0.593a± 0.026
Eccentricity (e)0.221± 0.021 Inclination (i)132.2°± 1.3 Longitude of periastron (ω)296.5°± 18.2
Node (Ω)154.4°± 4.6 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2004
label rho theta
2000 0.427 179.7
2001 0.433 178.2
2002 0.438 176.8
2003 0.443 175.4
2004 0.448 174.0
2005 0.453 172.7
2006 0.458 171.4
2007 0.463 170.1
2008 0.467 168.9
2009 0.472 167.7
2010 0.476 166.5
2011 0.480 165.3
2012 0.484 164.1
2013 0.488 163.0
2014 0.492 161.9
2015 0.496 160.8
2016 0.499 159.7
2017 0.502 158.6
2018 0.505 157.6
2019 0.508 156.5
2020 0.511 155.5
2021 0.513 154.4
2022 0.516 153.4
2023 0.518 152.4
2024 0.520 151.4
2025 0.522 150.4
2026 0.524 149.4
2027 0.525 148.5
2028 0.527 147.5
2029 0.528 146.5
2030 0.529 145.5

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

grafico orbita





wds06478%2B0020a.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
06478+0020 STT 157 2008 94 174 0.5 7.18 9.16 A2 NOD 064747.56+002024.5
06478+0020 STT 157 2010 96 168 0.5 7.18 9.16 A2 NOD 064747.56+002024.5
06478+0020 STT 157 2014 97 164 0.6 7.18 9.16 A2 NO 064747.56+002024.5
06478+0020 STT 157 2016 98 163 0.6 7.18 9.16 A2 NO 064747.56+002024.5

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