01500+7456 MLR 297 AC
01h 50m 01.17s +74° 56' 00.1" P.A. 259.00 sep 0.2 mag 10.01,10.72
Coord 2000 |
01500+7456 |
|
Discov num |
MLR 297 |
|
Comp |
AC |
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Coord arcsec 2000 |
01 50 01.17 +74 56 00.1 |
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Date first |
1971 |
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Date last |
2018 |
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Obs |
9 |
|
Pa first |
139 |
|
Pa last |
258.9 |
|
P.A. Now (θ) |
258.9° |
|
Sep first |
0.3 |
|
Sep last |
0.166 |
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Sep. Now (ρ) |
0.166" |
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Mag pri |
10.01 |
|
Mag sec |
10.72 |
|
delta mag (ΔM) |
0.71 |
|
Spectral class |
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Pri motion ra |
+194 |
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Sec motion ra |
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Pri motion dec |
-036 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
01500+7456 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
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01 50 01 +74 56 00 |
BAG 16 AB |
2018 |
7 |
118 |
0.1 |
10.00 |
10.20 |
0.20 |
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Show |
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01 50 01 +74 56 00 |
MLR 297 AC |
2018 |
9 |
259 |
0.2 |
10.01 |
10.72 |
0.71 |
Y |
<=== |
Show |
|
|
01 50 01 +74 56 00 |
BAG 16 BC |
1999 |
1 |
175 |
0.2 |
10.20 |
10.72 |
0.52 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cassiopeia |
|
Tycho2 |
4322-00209-1 |
|
Gaia DR2 |
558982576169391616 |
|
ORBITAL ELEMENTS
Period (P) | 197.5y | |
Periastron (T) | 1961.5y | |
Semi-major axis (a) | 0.429a | |
Eccentricity (e) | 0 | |
Inclination (i) | 72.3° | |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 128.1° | |
Notes | | |
Reference | Tok2019e | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
168.2 |
0.190 |
2001 |
171.2 |
0.182 |
2002 |
174.4 |
0.173 |
2003 |
178.0 |
0.165 |
2004 |
181.9 |
0.158 |
2005 |
186.2 |
0.151 |
2006 |
190.9 |
0.145 |
2007 |
195.9 |
0.140 |
2008 |
201.3 |
0.136 |
2009 |
207.0 |
0.133 |
2010 |
212.9 |
0.131 |
2011 |
218.8 |
0.130 |
2012 |
224.8 |
0.131 |
2013 |
230.7 |
0.133 |
2014 |
236.3 |
0.137 |
2015 |
241.6 |
0.141 |
2016 |
246.5 |
0.146 |
2017 |
251.1 |
0.153 |
2018 |
255.3 |
0.160 |
2019 |
259.1 |
0.167 |
2020 |
262.6 |
0.175 |
2021 |
265.8 |
0.184 |
2022 |
268.7 |
0.193 |
2023 |
271.3 |
0.202 |
2024 |
273.7 |
0.211 |
2025 |
275.9 |
0.220 |
2026 |
277.9 |
0.230 |
2027 |
279.7 |
0.239 |
2028 |
281.5 |
0.249 |
2029 |
283.0 |
0.258 |
2030 |
284.5 |
0.268 |
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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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