Coord 2000 | 01001+4443 |
Discov num | STF 79 |
Comp | Coord arcsec 2000 | 01 00 03.56 +44 42 47.7 |
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Date first | 1794 |
Date last | 2018 |
Obs | 135 |
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Pa first | 180 |
Pa last | 195 |
P.A. Now (θ) | 195° |
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Sep first | 8.0 |
Sep last | 7.9 |
Sep. Now (ρ) | 7.9" |
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Mag pri | 6.04 |
Mag sec | 6.77 |
delta mag (ΔM) | 0.73 |
Spectral class | B9.5V+A2V (blue-white/white) |
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Pri motion ra | +013 |
Sec motion ra | +012 |
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Pri motion dec | -024 |
Sec motion dec | -024 |
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Notes |
Precise pa | 194.5 |
Precise sep | 7.883 |
Name | 164 And |
Constellation | Andromeda |
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SAO | 36832 |
HIP | 4675 |
Tycho2 | 2811-02322-1 |
Gaia DR2 | 376603455732600832 |
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HD | 5788 |
HR | 282 |
ADS | 824 |
BD | BD+43 193 |
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Flamsteed | 164 Andromedae |
Flamsteed name | 164 And |
Distance | 119.05 |
Distance ly | 388.34 |
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last precise pa | 194.5 |
last precise sep | 7.883 |
Period (P) | 91.565c | Periastron (T) | 8173.2y | Semi-major axis (a) | 5.07a | |||
Eccentricity (e) | 0.88 | Inclination (i) | 38° | Longitude of periastron (ω) | 324.4° | |||
Node (Ω) | 51.7° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 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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Period (P) | 216.765c | Periastron (T) | 16128.6y | Semi-major axis (a) | 9a | |||
Eccentricity (e) | 0.67 | Inclination (i) | 67.4° | Longitude of periastron (ω) | 131.5° | |||
Node (Ω) | 231.7° | Note | Grade | 5 | (1=Definitive, 9=Indet.) | |||
Equinox | 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 |
01001+4443 | STF 79 | 2007 | 110 | 194 | 7.8 | 6.04 | 6.77 | B9.5V A2V | N D | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2008 | 112 | 194 | 7.8 | 6.04 | 6.77 | B9.5V A2V | N D | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2010 | 115 | 194 | 7.9 | 6.04 | 6.77 | B9.5V A2V | N D | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2011 | 117 | 193 | 7.9 | 6.04 | 6.77 | B9.5V A2V | N D | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2013 | 121 | 194 | 7.9 | 6.04 | 6.77 | B9.5V A2V | N D | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2015 | 125 | 193 | 8.0 | 6.04 | 6.77 | B9.5V+A2V | N | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2016 | 130 | 195 | 7.9 | 6.04 | 6.77 | B9.5V+A2V | NV | 010003.56+444247.7 | |
01001+4443 | STF 79 | 2018 | 133 | 195 | 7.9 | 6.04 | 6.77 | B9.5V+A2V | NV | 010003.56+444247.7 |