00174+0853 A 1803 AB

 
 
00h 17m 24.50s +08 52' 34.8" P.A. 307.00 sep 0.2 mag 8.38,7.78 Sp F7V dist. 15.19 pc (49.55 l.y.)
 
 
Coord 2000 00174+0853 Discov num A  1803 Comp AB Coord arcsec 2000 00 17 24.50 +08 52 34.8
Date first 1908 Date last 2008 Obs 53
Pa first 300 Pa last 307.2 P.A. Now (θ) 137.3°
Sep first 0.1 Sep last 0.162 Sep. Now (ρ) 0.072"
Mag pri 8.38 Mag sec 7.78 delta mag (ΔM) 0.6 Spectral class F7V (yellow-white)
Pri motion ra +063 Sec motion ra
Pri motion dec +061 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00174+0853 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 109111 00 17 24 +08 52 35 A 1803 AB 2008 53 307 0.2 8.38 7.78 0.60 Y <===
Show 38 Psc 109111 00 17 24 +08 52 35 STF 22 AB,C 2020 175 234 3.9 7.13 7.66 0.53
Show 109111 00 17 24 +08 52 35 STF 22 AB,D 2005 10 151 66.8 7.13 11.50 4.37
Show 109111 00 17 24 +08 52 35 POP 229 AB,E 2005 3 239 75.3 7.13 16.16 9.03
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pisces SAO 109111 HIP 1392 Tycho2 0595-01040-3
Gaia DR2 2752315446728243328 HD 1317 GC 340 ADS 238
BD BD+08 24 Flamsteed 38 Piscium Flamsteed name 38 Psc Distance 15.19
Distance ly 49.55
 
 
ORBITAL ELEMENTS
 
 
Period (P)35.66y Periastron (T)1950.7y Semi-major axis (a)0.189a
Eccentricity (e)0.002 Inclination (i)95.4° Longitude of periastron (ω)282°
Node (Ω)124.1° Notesn ReferenceHrt2010a
Equinox2000 Last observation2008 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 114.9 0.096
2001 109.7 0.067
2002 96.1 0.037
2003 33.7 0.018
2004 332.0 0.038
2005 318.5 0.067
2006 313.3 0.096
2007 310.4 0.123
2008 308.6 0.146
2009 307.2 0.165
2010 306.0 0.178
2011 305.0 0.187
2012 304.0 0.189
2013 303.1 0.186
2014 302.1 0.177
2015 300.9 0.162
2016 299.4 0.143
2017 297.4 0.119
2018 294.4 0.092
2019 288.5 0.063
2020 271.8 0.033
2021 197.0 0.019
2022 148.4 0.042
2023 137.3 0.072
2024 132.6 0.101
2025 130.0 0.127
2026 128.3 0.150
2027 126.9 0.168
2028 125.8 0.180
2029 124.8 0.187
2030 123.8 0.189


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



 
 


wds00174%2B0853b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic