01277+0521 BU 1164AB (95 Psc)

 
 
01H 27M 39.81S +05 21' 11.2" P.A. 170.6 SEP 0.29 MAG 7.56,8.41 SP G0V DIST. 74.52 PC (243.08 L.Y.)
 
 
Coord 2000
01277+0521
Discov num
BU 1164
Comp
AB
Coord arcsec 2000
01 27 39.81 +05 21 11.2
Date first
1890
Date last
2015
Obs
85
Pa first
168
Pa last
171
P.A. Now (θ)
170.6°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.29"
Mag pri
7.56
Mag sec
8.41
delta mag (ΔM)
0.85
Spectral class
G0V (yellow)
Pri motion ra
-018
Sec motion ra
Pri motion dec
-131
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
01277+0521 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 95 Psc 01277+0521 BU 1164 AB 1890 2015 85 171 0.3 7.56 8.41 0.85 Y <===
Show 01277+0521 BU 1164 AB,C 1910 2000 5 224 139.4 7.11 12.90 5.79
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
95 Psc
Constellation
Pisces
HIP
6815
Tycho2
0027-01246-1
HD
8875
GC
1766
ADS
1158
BD
BD+04 251
Flamsteed
95 Piscium
Flamsteed name
95 Psc
Distance
74.52
Distance ly
243.08
last precise pa
171
last precise sep
0.271
 
 
ORBITAL ELEMENTS
 
 
Period (P)63.73y Periastron (T)2008.19y Semi-major axis (a)0.291a
Eccentricity (e)0.771 Inclination (i)107.7° Longitude of periastron (ω)196°
Node (Ω)163.9° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.182 140.2
2001 0.155 136.9
2002 0.127 132.3
2003 0.099 124.9
2004 0.071 111.6
2005 0.049 83.9
2006 0.045 37.8
2007 0.061 3.8
2008 0.067 343.0
2009 0.039 310.1
2010 0.039 221.2
2011 0.082 191.7
2012 0.125 182.7
2013 0.164 178.2
2014 0.200 175.4
2015 0.232 173.4
2016 0.261 171.8
2017 0.287 170.6
2018 0.312 169.6
2019 0.334 168.7
2020 0.354 167.9
2021 0.373 167.2
2022 0.390 166.6
2023 0.405 166.0
2024 0.419 165.4
2025 0.432 164.9
2026 0.444 164.4
2027 0.454 164.0
2028 0.463 163.5
2029 0.471 163.1
2030 0.478 162.7

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