00057+4549 STT 547 AB (HD 38)

 
 
00h 05m 41.03s +45 48' 43.3" P.A. 191.00 sep 5.9 mag 8.98,9.15 Sp K2V+M3V dist. 11.31 pc (36.89 l.y.)
 
 
Coord 2000 00057+4549 Discov num STT 547 Comp AB Coord arcsec 2000 00 05 41.03 +45 48 43.3
Date first 1876 Date last 2021 Obs 436
Pa first 114 Pa last 190.5 P.A. Now (θ) 190.5°
Sep first 4.5 Sep last 5.937 Sep. Now (ρ) 5.937"
Mag pri 8.98 Mag sec 9.15 delta mag (ΔM) 0.17 Spectral class K2V+M3V (yellow-orange/red)
Pri motion ra +879 Sec motion ra +838
Pri motion dec -154 Sec motion dec -163
Notes N O W Z (See Notes, Orbital solution, , Parallax indicates components are physical)
rPM=0.047 (< 0.3, Physical double)
This double is physical.
 
 
00057+4549 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 38 00 05 41 +45 48 43 STT 547 AB 2021 436 191 5.9 8.98 9.15 0.17 Y <===
Show 00 05 41 +45 48 43 STT 547 AC 2020 33 263 120.7 8.98 13.71 4.73
Show 00 05 41 +45 48 43 STT 547 AD 2020 41 232 113.3 8.98 12.51 3.53
Show 00 05 41 +45 48 43 STT 547 AE 2020 50 340 60.6 8.98 11.75 2.77
Show 00 05 41 +45 48 43 STT 547 AF 2018 42 254 330.0 8.98 10.19 1.21 Y
Show 00 05 41 +45 48 43 POP 217 AP 2020 41 311 18.9 8.98 13.40 4.42
Show 00 05 41 +45 48 43 POP 217 AQ 2006 7 130 20.0 8.98 16.00 7.02
Show 36046 00 05 41 +45 48 43 POP 217 AX 2006 2 222 12.0 8.98
Show 00 05 41 +45 48 43 POP 217 AY 2018 9 78 188.8 8.98 14.80 5.82
Show 00 05 41 +45 48 37 STT 547 BC 2016 8 266 115.7 9.15 13.71 4.56
Show 00 05 41 +45 48 37 STT 547 BD 2016 10 233 106.4 9.15 12.51 3.36
Show 00 05 41 +45 48 37 STT 547 BE 2016 16 346 64.4 9.15 11.75 2.60
Show 00 05 41 +45 48 37 STT 547 BF 2018 35 251 324.2 9.15 10.19 1.04
Show 00 05 41 +45 48 37 STT 547 BP 2016 9 331 20.3 9.15 13.10 3.95
Show 00 05 31 +45 48 26 PAL 2 Ca,Cb 2020 22 91 6.1 13.71 14.90 1.19
Show 00 06 00 +45 49 20 POP 217 YG 2020 12 189 9.7 14.80 15.80 1.00
12-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 38 Constellation Andromeda HIP 473 Tycho2 3246-00874-1
HD 38 ADS 48 GL Gl 4A BD BD+45 4408
Distance 11.31 Distance ly 36.89
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)1550.637y Periastron (T)1970.438y Semi-major axis (a)11.7613a
Eccentricity (e)0.4973 Inclination (i)56.68° Longitude of periastron (ω)349.37°
Node (Ω)175.14° Notesn ReferencePop1996b
Equinox2000 Last observation1994 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 182.1 5.974
2001 182.5 5.973
2002 182.9 5.971
2003 183.4 5.968
2004 183.8 5.966
2005 184.2 5.962
2006 184.7 5.959
2007 185.1 5.955
2008 185.5 5.951
2009 186.0 5.947
2010 186.4 5.942
2011 186.8 5.937
2012 187.3 5.931
2013 187.7 5.925
2014 188.1 5.919
2015 188.6 5.913
2016 189.0 5.906
2017 189.5 5.899
2018 189.9 5.892
2019 190.3 5.884
2020 190.8 5.877
2021 191.2 5.868
2022 191.7 5.860
2023 192.1 5.852
2024 192.6 5.843
2025 193.0 5.834
2026 193.5 5.824
2027 193.9 5.815
2028 194.4 5.805
2029 194.8 5.795
2030 195.3 5.785


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



 
 


wds00057%2B4549a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)553.5y± 120.3 Periastron (T)2112y± 28.8 Semi-major axis (a)6.39a± 0.89
Eccentricity (e)0.19± 0.08 Inclination (i)54.3°± 2.3 Longitude of periastron (ω)256.8°± 31.4
Node (Ω)12.5°± 2.8 Notesn ReferencePko2020b
Equinox Last observation2012 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 181.8 6.059
2001 182.3 6.059
2002 182.7 6.060
2003 183.1 6.059
2004 183.5 6.058
2005 183.9 6.057
2006 184.3 6.055
2007 184.7 6.052
2008 185.2 6.049
2009 185.6 6.045
2010 186.0 6.041
2011 186.4 6.036
2012 186.8 6.031
2013 187.3 6.025
2014 187.7 6.019
2015 188.1 6.011
2016 188.5 6.004
2017 188.9 5.995
2018 189.4 5.987
2019 189.8 5.977
2020 190.2 5.967
2021 190.6 5.956
2022 191.1 5.945
2023 191.5 5.933
2024 191.9 5.920
2025 192.4 5.907
2026 192.8 5.894
2027 193.2 5.879
2028 193.7 5.864
2029 194.1 5.848
2030 194.6 5.832


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



 
 


wds04259-0124h.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic