06478+0020 STT 157

 
 
06h 47m 47.56s +00 20' 24.5" P.A. 160.9 sep 0.58 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)
160.9°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.58"
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)500y± 100 Periastron (T)1958.3y± 3.5 Semi-major axis (a)0.781a± 0.1
Eccentricity (e)0.4± 0.1 Inclination (i)129.4°± 5 Longitude of periastron (ω)238.4°± 5
Node (Ω)137.8°± 5 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.440 179.8
2001 0.447 178.5
2002 0.455 177.2
2003 0.462 176.0
2004 0.470 174.8
2005 0.478 173.7
2006 0.485 172.6
2007 0.493 171.5
2008 0.501 170.5
2009 0.508 169.5
2010 0.516 168.5
2011 0.524 167.6
2012 0.531 166.6
2013 0.539 165.7
2014 0.546 164.9
2015 0.554 164.0
2016 0.561 163.2
2017 0.568 162.4
2018 0.576 161.6
2019 0.583 160.9
2020 0.590 160.1
2021 0.597 159.4
2022 0.604 158.7
2023 0.611 158.0
2024 0.618 157.3
2025 0.625 156.7
2026 0.632 156.0
2027 0.638 155.4
2028 0.645 154.8
2029 0.651 154.2
2030 0.658 153.6

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

grafico orbita





wds06478%2B0020c.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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