Coord 2000 | 00057+4549 | Discov num | STT 547 | Comp | AB | Coord arcsec 2000 | 00 05 41.03 +45 48 43.3 | ||||
Date first | 1876 | Date last | 2021 | Obs | 436 | ||||||
Pa first | 114 | Pa last | 190.5 | P.A. Now (θ) | 190.5° | ||||||
Sep first | 4.5 | Sep last | 5.937 | Sep. Now (ρ) | 5.937" | ||||||
Mag pri | 8.98 | Mag sec | 9.15 | delta mag (ΔM) | 0.17 | Spectral class | K2V+M3V (yellow-orange/red) | ||||
Pri motion ra | +879 | Sec motion ra | +838 | ||||||||
Pri motion dec | -154 | Sec motion dec | -163 | ||||||||
Notes | N O W Z (See Notes, Orbital solution, , Parallax indicates components are physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 38 | 00 05 41 +45 48 43 | STT 547 AB | 2021 | 436 | 191 | 5.9 | 8.98 | 9.15 | 0.17 | Y | <=== | |
Show | 00 05 41 +45 48 43 | STT 547 AC | 2020 | 33 | 263 | 120.7 | 8.98 | 13.71 | 4.73 | ||||
Show | 00 05 41 +45 48 43 | STT 547 AD | 2020 | 41 | 232 | 113.3 | 8.98 | 12.51 | 3.53 | ||||
Show | 00 05 41 +45 48 43 | STT 547 AE | 2020 | 50 | 340 | 60.6 | 8.98 | 11.75 | 2.77 | ||||
Show | 00 05 41 +45 48 43 | STT 547 AF | 2018 | 42 | 254 | 330.0 | 8.98 | 10.19 | 1.21 | Y | |||
Show | 00 05 41 +45 48 43 | POP 217 AP | 2020 | 41 | 311 | 18.9 | 8.98 | 13.40 | 4.42 | ||||
Show | 00 05 41 +45 48 43 | POP 217 AQ | 2006 | 7 | 130 | 20.0 | 8.98 | 16.00 | 7.02 | ||||
Show | 36046 | 00 05 41 +45 48 43 | POP 217 AX | 2006 | 2 | 222 | 12.0 | 8.98 | |||||
Show | 00 05 41 +45 48 43 | POP 217 AY | 2018 | 9 | 78 | 188.8 | 8.98 | 14.80 | 5.82 | ||||
Show | 00 05 41 +45 48 37 | STT 547 BC | 2016 | 8 | 266 | 115.7 | 9.15 | 13.71 | 4.56 | ||||
Show | 00 05 41 +45 48 37 | STT 547 BD | 2016 | 10 | 233 | 106.4 | 9.15 | 12.51 | 3.36 | ||||
Show | 00 05 41 +45 48 37 | STT 547 BE | 2016 | 16 | 346 | 64.4 | 9.15 | 11.75 | 2.60 | ||||
Show | 00 05 41 +45 48 37 | STT 547 BF | 2018 | 35 | 251 | 324.2 | 9.15 | 10.19 | 1.04 | ||||
Show | 00 05 41 +45 48 37 | STT 547 BP | 2016 | 9 | 331 | 20.3 | 9.15 | 13.10 | 3.95 | ||||
Show | 00 05 31 +45 48 26 | PAL 2 Ca,Cb | 2020 | 22 | 91 | 6.1 | 13.71 | 14.90 | 1.19 | ||||
Show | 00 06 00 +45 49 20 | POP 217 YG | 2020 | 12 | 189 | 9.7 | 14.80 | 15.80 | 1.00 |
Name | HD 38 | Constellation | Andromeda | HIP | 473 | Tycho2 | 3246-00874-1 | ||||
HD | 38 | ADS | 48 | GL | Gl 4A | BD | BD+45 4408 | ||||
Distance | 11.31 | Distance ly | 36.89 |
Period (P) | 1550.637y | Periastron (T) | 1970.438y | Semi-major axis (a) | 11.7613a | |||
Eccentricity (e) | 0.4973 | Inclination (i) | 56.68° | Longitude of periastron (ω) | 349.37° | |||
Node (Ω) | 175.14° | Notes | n | Reference | Pop1996b | |||
Equinox | 2000 | Last observation | 1994 | Grade | 4 | (1=Definitive, 9=Indet.) |
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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) | 553.5y | ± 120.3 | Periastron (T) | 2112y | ± 28.8 | Semi-major axis (a) | 6.39a | ± 0.89 |
Eccentricity (e) | 0.19 | ± 0.08 | Inclination (i) | 54.3° | ± 2.3 | Longitude of periastron (ω) | 256.8° | ± 31.4 |
Node (Ω) | 12.5° | ± 2.8 | Notes | n | Reference | Pko2020b | ||
Equinox | Last observation | 2012 | Grade | 4 | (1=Definitive, 9=Indet.) |
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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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