00594+0047 STF 80 AB (HD 5780)
00h 59m 23.31s +00° 46' 43.5" P.A. 339.00 sep 29.9 mag 7.82,9.05 Sp K5II-III dist. 444.44 pc (1449.76 l.y.)
Coord 2000 |
00594+0047 |
|
Discov num |
STF 80 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 59 23.31 +00 46 43.5 |
|
Date first |
1825 |
|
Date last |
2018 |
|
Obs |
148 |
|
Pa first |
297 |
|
Pa last |
338.7 |
|
P.A. Now (θ) |
338.7° |
|
Sep first |
18.9 |
|
Sep last |
29.91 |
|
Sep. Now (ρ) |
29.91" |
|
Mag pri |
7.82 |
|
Mag sec |
9.05 |
|
delta mag (ΔM) |
1.23 |
|
Spectral class |
K5II-III (yellow-orange) |
|
Pri motion ra |
-024 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-109 |
|
Sec motion dec |
-009 |
|
Notes |
N
L
S
(See Notes, Linear solution, Parallax indidates non-physical) |
|
rPM=0.928
This double is not physical.
00594+0047 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 5780 |
109577 |
00 59 23 +00 46 44 |
STF 80 AB |
2018 |
148 |
339 |
29.9 |
7.82 |
9.05 |
1.23 |
|
<=== |
Show |
|
109577 |
00 59 23 +00 46 44 |
BU 1354 AC |
2015 |
8 |
267 |
178.2 |
7.82 |
11.10 |
3.28 |
|
|
Show |
|
|
00 59 23 +00 47 10 |
BU 1354 BC |
2015 |
10 |
258 |
171.1 |
9.05 |
11.10 |
2.05 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 5780 |
|
Constellation |
Cetus |
|
SAO |
109577 |
|
HIP |
4624 |
|
Tycho2 |
0012-01234-1 |
|
Gaia DR2 |
2537360339382201856 |
|
HD |
5780 |
|
GC |
1185 |
|
ADS |
818 |
|
DM |
BD+00 158 |
|
BD |
BD+00 159 |
|
Distance |
444.44 |
|
Distance ly |
1449.76 |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
Identifier | 00594+0047 STF 80 A |
coord_arcsec_2000 | 005923.33+004644.5 |
Period (P) | 80.92y | |
Periastron (T) | 1872.39y | |
Semi-major axis (a) | 0.278a | |
Eccentricity (e) | 0.254 | |
Inclination (i) | 70.13° | |
Longitude of periastron (ω) | 272.7° | |
Node (Ω) | 4.39° | |
Notes | n | |
Reference | Dom1969 | |
Equinox | 1900 | |
Last observation | 1968 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
141.2 |
0.160 |
2001 |
145.4 |
0.170 |
2002 |
149.1 |
0.180 |
2003 |
152.4 |
0.190 |
2004 |
155.4 |
0.200 |
2005 |
158.1 |
0.209 |
2006 |
160.5 |
0.219 |
2007 |
162.8 |
0.228 |
2008 |
164.9 |
0.236 |
2009 |
166.8 |
0.244 |
2010 |
168.7 |
0.251 |
2011 |
170.4 |
0.257 |
2012 |
172.1 |
0.263 |
2013 |
173.7 |
0.267 |
2014 |
175.3 |
0.270 |
2015 |
176.8 |
0.273 |
2016 |
178.3 |
0.273 |
2017 |
179.8 |
0.273 |
2018 |
181.4 |
0.271 |
2019 |
182.9 |
0.268 |
2020 |
184.5 |
0.263 |
2021 |
186.2 |
0.256 |
2022 |
188.0 |
0.248 |
2023 |
189.9 |
0.238 |
2024 |
192.0 |
0.226 |
2025 |
194.4 |
0.212 |
2026 |
197.1 |
0.197 |
2027 |
200.3 |
0.180 |
2028 |
204.2 |
0.161 |
2029 |
209.1 |
0.142 |
2030 |
215.6 |
0.122 |
|
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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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SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
Identifier | 00594+0047 STF 80 A |
coord_arcsec_2000 | 005923.33+004644.5 |
Period (P) | 84.84y | |
Periastron (T) | 1873.71y | |
Semi-major axis (a) | 0.276a | |
Eccentricity (e) | 0.699 | |
Inclination (i) | 71.52° | |
Longitude of periastron (ω) | 277.35° | |
Node (Ω) | 8.63° | |
Notes | n | |
Reference | Dom1969 | |
Equinox | 1900 | |
Last observation | 1968 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
117.9 |
0.156 |
2001 |
120.9 |
0.159 |
2002 |
123.7 |
0.162 |
2003 |
126.4 |
0.165 |
2004 |
129.0 |
0.169 |
2005 |
131.6 |
0.172 |
2006 |
134.0 |
0.176 |
2007 |
136.3 |
0.180 |
2008 |
138.5 |
0.184 |
2009 |
140.6 |
0.187 |
2010 |
142.7 |
0.191 |
2011 |
144.6 |
0.195 |
2012 |
146.5 |
0.199 |
2013 |
148.3 |
0.203 |
2014 |
150.1 |
0.207 |
2015 |
151.8 |
0.210 |
2016 |
153.4 |
0.214 |
2017 |
155.0 |
0.217 |
2018 |
156.5 |
0.220 |
2019 |
158.0 |
0.223 |
2020 |
159.5 |
0.226 |
2021 |
160.9 |
0.229 |
2022 |
162.3 |
0.231 |
2023 |
163.6 |
0.233 |
2024 |
165.0 |
0.234 |
2025 |
166.3 |
0.235 |
2026 |
167.6 |
0.236 |
2027 |
168.9 |
0.236 |
2028 |
170.3 |
0.235 |
2029 |
171.6 |
0.234 |
2030 |
172.9 |
0.232 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
|
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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