00057+4549 STT 547 AF

 
 
00h 05m 41.03s +45 48' 43.3" P.A. 254.00 sep 330.0 mag 8.98,10.19 Sp K2V+M2V dist. 11.31 pc (36.89 l.y.)
 
 
Coord 2000 00057+4549 Discov num STT 547 Comp AF Coord arcsec 2000 00 05 41.03 +45 48 43.3
Date first 1897 Date last 2018 Obs 42
Pa first 254 Pa last 253.9 P.A. Now (θ) 253.9°
Sep first 327.6 Sep last 329.97 Sep. Now (ρ) 329.97"
Mag pri 8.98 Mag sec 10.19 delta mag (ΔM) 1.21 Spectral class K2V+M2V (yellow-orange/red)
Pri motion ra +879 Sec motion ra +870
Pri motion dec -154 Sec motion dec -151
Notes N O W V (See Notes, Orbital solution, , Proper motion indicates physical)
rPM=0.011 (< 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
 
 
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
 
 
Period (P)830.37c Periastron (T)26357y Semi-major axis (a)205.1a
Eccentricity (e)0.81 Inclination (i)75.9° Longitude of periastron (ω)345.6°
Node (Ω)74.3° Notesn ReferenceKiy2001
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 254.3 326.909
2001 254.3 326.903
2002 254.3 326.898
2003 254.3 326.893
2004 254.3 326.887
2005 254.3 326.882
2006 254.3 326.877
2007 254.3 326.871
2008 254.3 326.866
2009 254.3 326.860
2010 254.3 326.855
2011 254.3 326.850
2012 254.3 326.844
2013 254.3 326.839
2014 254.3 326.834
2015 254.3 326.828
2016 254.3 326.823
2017 254.3 326.817
2018 254.3 326.812
2019 254.3 326.807
2020 254.3 326.801
2021 254.3 326.796
2022 254.3 326.790
2023 254.3 326.785
2024 254.3 326.780
2025 254.3 326.774
2026 254.3 326.769
2027 254.3 326.764
2028 254.3 326.758
2029 254.3 326.753
2030 254.3 326.747


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



 
 


wds00057%2B4549c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic