06404+4058 STF 945

 
 
06h 40m 21.28s +40 58' 10.9" P.A. 339.6 sep 0.48 mag 7.21,8.33 Sp F2 dist. 110.99 pc (362.05 l.y.)
 
 
Coord 2000
06404+4058
Discov num
STF 945
Comp
Coord arcsec 2000
06 40 21.28 +40 58 10.9
Date first
1830
Date last
2015
Obs
125
Pa first
249
Pa last
336
P.A. Now (θ)
339.6°
Sep first
1.1
Sep last
0.5
Sep. Now (ρ)
0.48"
Mag pri
7.21
Mag sec
8.33
delta mag (ΔM)
1.12
Spectral class
F2 (yellow-white)
Pri motion ra
-034
Sec motion ra
-034
Pri motion dec
-005
Sec motion dec
-005
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.9
Precise sep
0.46
Constellation
Auriga
SAO
41253
HIP
31928
Tycho2
2945-01789-1
Gaia DR2
8604776320
HD
47412
ADS
5296
BD
BD+41 1484
Distance
110.99
Distance ly
362.05
last precise pa
335.9
last precise sep
0.46
 
 
ORBITAL ELEMENTS
 
 
Period (P)2679.33y± 38.68 Periastron (T)4486.86y± 2.17 Semi-major axis (a)2.307a± 0.056
Eccentricity (e)0.534± 0.013 Inclination (i)72.1°± 0.4 Longitude of periastron (ω)186.7°± 1.5
Node (Ω)67.4°± 0.3 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2002
label rho theta
2000 0.472 323.9
2001 0.472 324.7
2002 0.471 325.6
2003 0.471 326.4
2004 0.471 327.2
2005 0.471 328.1
2006 0.471 328.9
2007 0.471 329.7
2008 0.472 330.6
2009 0.472 331.4
2010 0.472 332.2
2011 0.473 333.1
2012 0.474 333.9
2013 0.474 334.7
2014 0.475 335.6
2015 0.476 336.4
2016 0.477 337.2
2017 0.478 338.0
2018 0.479 338.8
2019 0.480 339.6
2020 0.482 340.4
2021 0.483 341.2
2022 0.485 342.0
2023 0.486 342.8
2024 0.488 343.6
2025 0.490 344.4
2026 0.491 345.2
2027 0.493 345.9
2028 0.495 346.7
2029 0.497 347.4
2030 0.500 348.2

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






wds06404%2B4058b.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
06404+4058 STF 945 2005 120 328 0.5 7.21 8.33 F2 D 064021.28+405810.9
06404+4058 STF 945 2007 122 329 0.5 7.21 8.33 F2 D 064021.28+405810.9
06404+4058 STF 945 2008 123 329 0.4 7.21 8.33 F2 D 064021.28+405810.9
06404+4058 STF 945 2015 124 336 0.5 7.21 8.33 F2 O 064021.28+405810.9

If you need more information about this double, apply for a data request form to the WDS.