01500+7456 MLR 297 AC

 
 
01h 50m 01.17s +74° 56' 00.1" P.A. 259.00 sep 0.2 mag 10.01,10.72
 
 
Coord 2000 01500+7456 Discov num MLR 297 Comp AC Coord arcsec 2000 01 50 01.17 +74 56 00.1
Date first 1971 Date last 2018 Obs 9
Pa first 139 Pa last 258.9 P.A. Now (θ) 258.9°
Sep first 0.3 Sep last 0.166 Sep. Now (ρ) 0.166"
Mag pri 10.01 Mag sec 10.72 delta mag (ΔM) 0.71 Spectral class
Pri motion ra +194 Sec motion ra
Pri motion dec -036 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
01500+7456 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 01 50 01 +74 56 00 BAG 16 AB 2018 7 118 0.1 10.00 10.20 0.20
Show 01 50 01 +74 56 00 MLR 297 AC 2018 9 259 0.2 10.01 10.72 0.71 Y <===
Show 01 50 01 +74 56 00 BAG 16 BC 1999 1 175 0.2 10.20 10.72 0.52
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cassiopeia Tycho2 4322-00209-1 Gaia DR2 558982576169391616
 
 
ORBITAL ELEMENTS
 
 
Period (P)197.5y Periastron (T)1961.5y Semi-major axis (a)0.429a
Eccentricity (e)0 Inclination (i)72.3° Longitude of periastron (ω)
Node (Ω)128.1° Notes ReferenceTok2019e
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 168.2 0.190
2001 171.2 0.182
2002 174.4 0.173
2003 178.0 0.165
2004 181.9 0.158
2005 186.2 0.151
2006 190.9 0.145
2007 195.9 0.140
2008 201.3 0.136
2009 207.0 0.133
2010 212.9 0.131
2011 218.8 0.130
2012 224.8 0.131
2013 230.7 0.133
2014 236.3 0.137
2015 241.6 0.141
2016 246.5 0.146
2017 251.1 0.153
2018 255.3 0.160
2019 259.1 0.167
2020 262.6 0.175
2021 265.8 0.184
2022 268.7 0.193
2023 271.3 0.202
2024 273.7 0.211
2025 275.9 0.220
2026 277.9 0.230
2027 279.7 0.239
2028 281.5 0.249
2029 283.0 0.258
2030 284.5 0.268


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



 
 


wds01500%2B7456a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic