00093+2517 GIC 2 AB (HD 471)
00h 09m 15.74s +25° 16' 55.0" P.A. 236.00 sep 29.7 mag 7.77,11.46 Sp F9V+K6V dist. 51.41 pc (167.7 l.y.)
Coord 2000 |
00093+2517 |
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Discov num |
GIC 2 |
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Comp |
AB |
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Coord arcsec 2000 |
00 09 15.74 +25 16 55.0 |
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Date first |
1891 |
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Date last |
2018 |
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Obs |
15 |
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Pa first |
238 |
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Pa last |
236.3 |
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P.A. Now (θ) |
236.3° |
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Sep first |
29.7 |
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Sep last |
29.69 |
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Sep. Now (ρ) |
29.69" |
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Mag pri |
7.77 |
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Mag sec |
11.46 |
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delta mag (ΔM) |
3.69 |
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Spectral class |
F9V+K6V (yellow-white/yellow-orange) |
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Pri motion ra |
+172 |
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Sec motion ra |
+169 |
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Pri motion dec |
-147 |
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Sec motion dec |
-145 |
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Notes |
N
V
(See Notes, Proper motion indicates physical) |
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rPM=0.016 (< 0.3, Physical double)
This double is physical.
00093+2517 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 471 |
73776 |
00 09 16 +25 16 55 |
GIC 2 AB |
2018 |
15 |
236 |
29.7 |
7.77 |
11.46 |
3.69 |
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<=== |
Show |
|
73776 |
00 09 16 +25 16 55 |
FYM 132 AC |
2018 |
8 |
162 |
62.5 |
7.77 |
12.40 |
4.63 |
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Show |
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00 09 17 +25 15 54 |
FYM 132 CD |
2014 |
5 |
68 |
10.3 |
12.40 |
15.00 |
2.60 |
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 471 |
|
Constellation |
Pegasus |
|
SAO |
73776 |
|
HIP |
754 |
|
Tycho2 |
1732-01838-1 |
|
Gaia DR2 |
2850307187170712576 |
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HD |
471 |
|
GC |
153 |
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BD |
BD+24 4 |
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Distance |
51.41 |
|
Distance ly |
167.7 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 00093+2517 |
coord_arcsec_2000 | 000915.63+251656.3 |
Period (P) | 483d | ± 13 |
Periastron (T) | 48565d (1991.842y) | ± 74 |
Semi-major axis (a) | 9.8m | ± 2.8 |
Eccentricity (e) | 0.22 | ± 0.31 |
Inclination (i) | 74° | ± 10 |
Longitude of periastron (ω) | 112° | ± 46 |
Node (Ω) | 169° | ± 16 |
Notes | | |
Reference | Gln2007 | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
354.0 |
0.009 |
2001-01-01 |
206.4 |
0.003 |
2002-01-01 |
162.4 |
0.010 |
2003-01-01 |
103.6 |
0.004 |
2004-01-01 |
357.0 |
0.009 |
2005-01-01 |
236.8 |
0.002 |
2006-01-01 |
164.5 |
0.010 |
2007-01-01 |
119.2 |
0.004 |
2008-01-01 |
0.3 |
0.008 |
2009-01-01 |
284.6 |
0.002 |
2010-01-01 |
166.7 |
0.010 |
2011-01-01 |
130.3 |
0.005 |
2012-01-01 |
4.1 |
0.008 |
2013-01-01 |
314.4 |
0.003 |
2014-01-01 |
168.8 |
0.010 |
2015-01-01 |
138.2 |
0.006 |
2016-01-01 |
8.5 |
0.007 |
2017-01-01 |
328.2 |
0.005 |
2018-01-01 |
171.1 |
0.010 |
2019-01-01 |
144.1 |
0.007 |
2020-01-01 |
14.1 |
0.006 |
2021-01-01 |
336.0 |
0.006 |
2022-01-01 |
173.7 |
0.009 |
2023-01-01 |
148.6 |
0.008 |
2024-01-01 |
21.5 |
0.005 |
2025-01-01 |
341.1 |
0.007 |
2026-01-01 |
176.7 |
0.008 |
2027-01-01 |
152.3 |
0.008 |
2028-01-01 |
31.6 |
0.004 |
2029-01-01 |
345.1 |
0.008 |
2030-01-01 |
180.5 |
0.007 |
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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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