19243+2032 HDS 2752 AB (HD 349993)

19h 24m 18.14s +20° 31' 51.1" P.A. 124.00 sep 0.3 mag 9.00,10.68 Sp F6V dist. 120.48 pc (393.01 l.y.)

Coord 2000 19243+2032 Discov num HDS2752 Comp AB Coord arcsec 2000 19 24 18.14 +20 31 51.1
Date first 1991 Date last 2021 Obs 9
Pa first 228 Pa last 124.1 P.A. Now (θ) 124.1°
Sep first 0.2 Sep last 0.286 Sep. Now (ρ) 0.286"
Mag pri 9.00 Mag sec 10.68 delta mag (ΔM) 1.68 Spectral class F6V (yellow-white)
Pri motion ra +003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



19243+2032 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 349993 87157 19 24 18 +20 31 51 HDS 2752 AB 2021 9 124 0.3 9.00 10.68 1.68 Y <===
Show 87157 19 24 18 +20 31 51 HDS 2752 AC 2021 3 286 1.0 9.00 13.80 4.80


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 349993 Constellation Vulpecula SAO 87157 HIP 95389
Tycho2 1608-00435-1 HD 349993 BD BD+20 4126 Distance 120.48
Distance ly 393.01




ORBITAL ELEMENTS

Period (P)60y Periastron (T)1985.47y Semi-major axis (a)0.31a
Eccentricity (e)0.694 Inclination (i)118.6° Longitude of periastron (ω)99.1°
Node (Ω)68.4° Notesn ReferenceTok2021c
Equinox2000 Last observation2019 Grade4(1=Definitive, 9=Indet.)

label theta rho
2000 192.3 0.231
2001 188.6 0.232
2002 184.9 0.233
2003 181.3 0.234
2004 177.7 0.235
2005 174.1 0.236
2006 170.5 0.237
2007 167.0 0.239
2008 163.6 0.241
2009 160.2 0.243
2010 156.9 0.246
2011 153.6 0.248
2012 150.4 0.251
2013 147.3 0.254
2014 144.2 0.257
2015 141.3 0.260
2016 138.4 0.264
2017 135.5 0.267
2018 132.8 0.270
2019 130.1 0.274
2020 127.5 0.277
2021 124.9 0.280
2022 122.4 0.284
2023 120.0 0.286
2024 117.6 0.289
2025 115.2 0.292
2026 112.9 0.294
2027 110.6 0.295
2028 108.4 0.297
2029 106.1 0.297
2030 103.9 0.297


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



 
 


wds19243%2B2032a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic