01277+0521 BU 1164 AB
01h 27m 39.81s +05° 21' 11.2" P.A. 169.00 sep 0.3 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 |
2018 |
|
Obs |
89 |
|
| Pa first |
168 |
|
Pa last |
168.6 |
|
P.A. Now (θ) |
166° |
|
| Sep first |
0.4 |
|
Sep last |
0.337 |
|
Sep. Now (ρ) |
0.405" |
|
| 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 |
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|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
01277+0521 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
109905 |
01 27 40 +05 21 11 |
BU 1164 AB |
2018 |
89 |
169 |
0.3 |
7.56 |
8.41 |
0.85 |
Y |
<=== |
| Show |
|
109905 |
01 27 40 +05 21 11 |
BU 1164 AB,C |
2000 |
5 |
224 |
139.4 |
7.11 |
12.90 |
5.79 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pisces |
|
SAO |
109905 |
|
HIP |
6815 |
|
Tycho2 |
0027-01246-1 |
|
| Gaia DR2 |
2564892591577842816 |
|
HD |
8875 |
|
GC |
1766 |
|
ADS |
1158 |
|
| BD |
BD+04 251 |
|
Flamsteed |
95 Piscium |
|
Flamsteed name |
95 Psc |
|
Distance |
74.52 |
|
| Distance ly |
243.08 |
|
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° | |
Notes | n | |
Reference | Doc2010i | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
140.2 |
0.182 |
| 2001 |
136.9 |
0.155 |
| 2002 |
132.3 |
0.127 |
| 2003 |
124.9 |
0.099 |
| 2004 |
111.6 |
0.071 |
| 2005 |
83.9 |
0.049 |
| 2006 |
37.8 |
0.045 |
| 2007 |
3.8 |
0.061 |
| 2008 |
343.0 |
0.067 |
| 2009 |
310.1 |
0.039 |
| 2010 |
221.2 |
0.039 |
| 2011 |
191.7 |
0.082 |
| 2012 |
182.7 |
0.125 |
| 2013 |
178.2 |
0.164 |
| 2014 |
175.4 |
0.200 |
| 2015 |
173.4 |
0.232 |
| 2016 |
171.8 |
0.261 |
| 2017 |
170.6 |
0.287 |
| 2018 |
169.6 |
0.312 |
| 2019 |
168.7 |
0.334 |
| 2020 |
167.9 |
0.354 |
| 2021 |
167.2 |
0.373 |
| 2022 |
166.6 |
0.390 |
| 2023 |
166.0 |
0.405 |
| 2024 |
165.4 |
0.419 |
| 2025 |
164.9 |
0.432 |
| 2026 |
164.4 |
0.444 |
| 2027 |
164.0 |
0.454 |
| 2028 |
163.5 |
0.463 |
| 2029 |
163.1 |
0.471 |
| 2030 |
162.7 |
0.478 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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