03151+1618 HU 1055 AB

 
 
03h 15m 07.58s +16° 18' 12.9" P.A. 117.00 sep 0.6 mag 9.40,9.90 Sp G0 dist. 75.41 pc (245.99 l.y.)
 
 
Coord 2000 03151+1618 Discov num HU 1055 Comp AB Coord arcsec 2000 03 15 07.58 +16 18 12.9
Date first 1904 Date last 2022 Obs 43
Pa first 124 Pa last 116.9 P.A. Now (θ) 119.7°
Sep first 0.4 Sep last 0.563 Sep. Now (ρ) 0.62"
Mag pri 9.40 Mag sec 9.90 delta mag (ΔM) 0.5 Spectral class G0 (yellow)
Pri motion ra +122 Sec motion ra
Pri motion dec -082 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03151+1618 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 03 15 08 +16 18 13 HU 1055 AB 2022 43 117 0.6 9.40 9.90 0.50 Y <===
Show 03 15 08 +16 18 13 ENG 13 AB,C 2016 20 186 174.0 8.91 8.50 0.41
Show 03 15 08 +16 18 13 BUP 41 AB,D 2015 4 240 189.7 8.91 14.17 5.26
Show 03 15 08 +16 18 13 JRN 2 AB,E 2015 6 263 251.1 8.91 12.29 3.38
Show 03 15 06 +16 15 19 BUP 41 CD 2016 8 298 163.7 8.50 14.17 5.67
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aries SAO 93359 HIP 15134 Gaia DR2 55259667705628928
GC 3880 ADS 2429 BD BD+15 452 Distance 75.41
Distance ly 245.99
 
 
ORBITAL ELEMENTS
 
 
Period (P)100.5y± 4.6 Periastron (T)1991.3y± 0.69 Semi-major axis (a)0.442a± 0.045
Eccentricity (e)0.975± 0.006 Inclination (i)126°± 7 Longitude of periastron (ω)286°± 10
Node (Ω)227°± 16 Notesn ReferenceHrt2000a
Equinox2000 Last observation1996 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 132.8 0.247
2001 131.4 0.263
2002 130.2 0.279
2003 129.0 0.294
2004 128.0 0.308
2005 127.1 0.322
2006 126.3 0.335
2007 125.5 0.347
2008 124.7 0.359
2009 124.1 0.370
2010 123.4 0.381
2011 122.8 0.392
2012 122.2 0.401
2013 121.7 0.411
2014 121.1 0.420
2015 120.6 0.429
2016 120.1 0.437
2017 119.7 0.446
2018 119.2 0.453
2019 118.8 0.461
2020 118.4 0.468
2021 117.9 0.474
2022 117.5 0.481
2023 117.2 0.487
2024 116.8 0.493
2025 116.4 0.498
2026 116.0 0.503
2027 115.7 0.508
2028 115.3 0.513
2029 115.0 0.517
2030 114.6 0.521
2031 114.3 0.525
2032 114.0 0.529
2033 113.7 0.532
2034 113.3 0.535
2035 113.0 0.538
2036 112.7 0.540
2037 112.4 0.542
2038 112.1 0.544
2039 111.8 0.546
2040 111.5 0.547
2041 111.2 0.548
2042 110.9 0.549
2043 110.6 0.550
2044 110.3 0.550
2045 110.0 0.550
2046 109.6 0.550
2047 109.3 0.550
2048 109.0 0.549
2049 108.7 0.548
2050 108.4 0.547


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds03151%2B1618a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic