Coord 2000 | 02231+7021 |
Discov num | MLR 377 |
Comp | AB |
Coord arcsec 2000 | 02 23 04.70 +70 20 35.6 |
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Date first | 1972 |
Date last | 2018 |
Obs | 27 |
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Pa first | 162 |
Pa last | 137 |
P.A. Now (θ) | 134.3° |
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Sep first | 0.5 |
Sep last | 0.7 |
Sep. Now (ρ) | 0.7" |
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Mag pri | 8.42 |
Mag sec | 8.70 |
delta mag (ΔM) | 0.28 |
Spectral class | F5 (yellow-white) |
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Pri motion ra | +023 |
Sec motion ra | +023 |
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Pri motion dec | -002 |
Sec motion dec | -002 |
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Notes |
Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 4635 | 02231+7021 | MLR 377 | AB | 1972 | 2018 | 27 | 134 | 0.7 | 8.42 | 8.70 | 0.28 | Y | <=== | |
Show | 4635 | 02231+7021 | CVE 1 | AB,C | 1999 | 2014 | 6 | 43 | 66.3 | 7.91 | 13.92 | 6.01 |
Precise pa | 137 |
Precise sep | 0.69 |
Constellation | Cassiopeia |
SAO | 4635 |
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HIP | 11120 |
Tycho2 | 4315-01749-1 |
Gaia DR2 | 8461252096 |
HD | 14382 |
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BD | BD+69 144 |
Distance | 215.52 |
Distance ly | 703.03 |
last precise pa | 137 |
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last precise sep | 0.69 |
Period (P) | 283.14y | Periastron (T) | 1776.22y | Semi-major axis (a) | 3.696a | |||
Eccentricity (e) | 0.982 | Inclination (i) | 94.2° | Longitude of periastron (ω) | 89.3° | |||
Node (Ω) | 106° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 2000 | Last observation | 2010 |
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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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
02231+7021 | MLR 377 | AB | 2005 | 21 | 142 | 0.7 | 8.42 | 8.70 | F5 | NOD | 022304.70+702035.6 |
02231+7021 | MLR 377 | AB | 2007 | 22 | 141 | 0.7 | 8.42 | 8.70 | F5 | NOD | 022304.70+702035.6 |
02231+7021 | MLR 377 | AB | 2010 | 23 | 140 | 0.7 | 8.42 | 8.70 | F5 | NOD | 022304.70+702035.6 |
02231+7021 | MLR 377 | AB | 2015 | 25 | 141 | 0.8 | 8.42 | 8.70 | F5 | NO | 022304.70+702035.6 |
02231+7021 | MLR 377 | AB | 2018 | 27 | 137 | 0.7 | 8.42 | 8.70 | F5 | NO | 022304.70+702035.6 |