Coord 2000 | 00121+5337 |
Discov num | BU 1026 |
Comp | AB |
Coord arcsec 2000 | 00 12 08.05 +53 37 26.1 |
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Date first | 1888 |
Date last | 2018 |
Obs | 132 |
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Pa first | 330 |
Pa last | 325 |
P.A. Now (θ) | 326.3° |
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Sep first | 0.5 |
Sep last | 0.4 |
Sep. Now (ρ) | 0.35" |
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Mag pri | 7.25 |
Mag sec | 8.46 |
delta mag (ΔM) | 1.21 |
Spectral class | A7Vn+F2V (white/yellow-white) |
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Pri motion ra | +039 |
Sec motion ra | |||||||||
Pri motion dec | -012 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 21202 | 00 12 08 +53 37 26 | BU 1026 AB | 2018 | 132 | 326 | 0.4 | 7.25 | 8.46 | 1.21 | Y | <=== | |
Show | 21202 | 00 12 08 +53 37 26 | CHR 1 AC | 2001 | 8 | 298 | 0.3 | 7.25 |
Precise pa | 324.7 |
Precise sep | 0.35 |
Constellation | Cassiopeia |
SAO | 21202 |
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HIP | 981 |
Tycho2 | 3652-01234-1 |
Gaia DR2 | 420017603641437824 |
HD | 761 |
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ADS | 148 |
BD | BD+52 19 |
Distance | 119.9 |
Distance ly | 391.11 |
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last precise pa | 324.7 |
last precise sep | 0.35 |
Period (P) | 66.84y | ± 0.17 | Periastron (T) | 1986.542y | ± 0.029 | Semi-major axis (a) | 0.2514a | ± 0.0055 |
Eccentricity (e) | 0.8282 | ± 0.0058 | Inclination (i) | 42.77° | ± 0.84 | Longitude of periastron (ω) | 255.2° | ± 1.1 |
Node (Ω) | 254.9° | ± 1.2 | Note | Grade | 2 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation |
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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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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00121+5337 | BU 1026 | AB | 2007 | 106 | 309 | 0.3 | 7.25 | 8.46 | NOD | 001208.05+533726.1 | |
00121+5337 | BU 1026 | AB | 2008 | 112 | 311 | 0.3 | 7.25 | 8.46 | NOD | 001208.05+533726.1 | |
00121+5337 | BU 1026 | AB | 2010 | 113 | 313 | 0.3 | 7.25 | 8.46 | NOD | 001208.05+533726.1 | |
00121+5337 | BU 1026 | AB | 2014 | 118 | 319 | 0.3 | 7.25 | 8.46 | A7Vn+F2V | NO | 001208.05+533726.1 |
00121+5337 | BU 1026 | AB | 2016 | 126 | 330 | 0.4 | 7.25 | 8.46 | A7Vn+F2V | NO | 001208.05+533726.1 |