01297+2250 A  1910AB

 
 
01H 29M 41.17S +22 49' 34.4" P.A. 175 SEP 0.21 MAG 7.30,7.90 SP A2V DIST. 164.2 PC (535.62 L.Y.)
 
 
Coord 2000
01297+2250
Discov num
A  1910
Comp
AB
Coord arcsec 2000
01 29 41.17 +22 49 34.4
Date first
1908
Date last
2013
Obs
108
Pa first
127
Pa last
182
P.A. Now (θ)
175°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.21"
Mag pri
7.30
Mag sec
7.90
delta mag (ΔM)
0.6
Spectral class
A2V (white)
Pri motion ra
+010
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
01297+2250 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 74751 01297+2250 A 1910 AB 1908 2013 108 175 0.2 7.30 7.90 0.60 Y <===
Show 74751 01297+2250 A 1910 AB,C 1917 2013 7 352 18.8 6.77 12.71 5.94
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
74751
HIP
6966
Tycho2
1749-01315-1
HD
9071
ADS
1183
BD
BD+22 236
Distance
164.2
Distance ly
535.62
last precise pa
182.2
last precise sep
0.182
 
 
ORBITAL ELEMENTS
 
 
Period (P)70.7y± 1.2 Periastron (T)1985.037y± 0.072 Semi-major axis (a)0.1904a± 0.002
Eccentricity (e)0.7802± 0.0054 Inclination (i)119.7°± 1.1 Longitude of periastron (ω)119.6°± 1.2
Node (Ω)129.8°± 1 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.128 209.9
2001 0.134 206.5
2002 0.139 203.5
2003 0.145 200.6
2004 0.150 198.0
2005 0.156 195.5
2006 0.161 193.3
2007 0.166 191.1
2008 0.171 189.1
2009 0.176 187.2
2010 0.181 185.4
2011 0.186 183.7
2012 0.190 182.1
2013 0.195 180.6
2014 0.199 179.1
2015 0.203 177.7
2016 0.207 176.3
2017 0.211 175.0
2018 0.215 173.8
2019 0.218 172.5
2020 0.221 171.3
2021 0.224 170.2
2022 0.227 169.1
2023 0.229 168.0
2024 0.231 166.9
2025 0.233 165.8
2026 0.235 164.8
2027 0.236 163.7
2028 0.238 162.7
2029 0.238 161.7
2030 0.239 160.7

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic