Coord 2000 | 01499+8053 |
Discov num | STT 34 |
Comp | Coord arcsec 2000 | 01 49 53.05 +80 53 11.2 |
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Date first | 1843 |
Date last | 2007 |
Obs | 55 |
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Pa first | 111 |
Pa last | 285 |
P.A. Now (θ) | 300.1° |
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Sep first | 0.4 |
Sep last | 0.5 |
Sep. Now (ρ) | 0.26" |
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Mag pri | 7.58 |
Mag sec | 8.12 |
delta mag (ΔM) | 0.54 |
Spectral class | A0V (white) |
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Pri motion ra | -017 |
Sec motion ra | -017 |
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Pri motion dec | +001 |
Sec motion dec | +001 |
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Notes |
Precise pa | 284.6 |
Precise sep | 0.51 |
Constellation | Cepheus |
SAO | 291 |
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HIP | 8519 |
Tycho2 | 4506-01383-1 |
HD | 10648 |
ADS | 1411 |
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BD | BD+80 55 |
Distance | 198.81 |
Distance ly | 648.52 |
last precise pa | 284.6 |
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last precise sep | 0.51 |
Period (P) | 195.89y | ± 4.13 | Periastron (T) | 2025.36y | ± 1.31 | Semi-major axis (a) | 0.715a | ± 0.013 |
Eccentricity (e) | 0.62 | ± 0.037 | Inclination (i) | 79.8° | ± 0.8 | Longitude of periastron (ω) | 263.5° | ± 1.1 |
Node (Ω) | 113.1° | ± 0.8 | Note | Grade | 3 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2003 |
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 |
01499+8053 | STT 34 | 2005 | 54 | 106 | 0.5 | 7.58 | 8.12 | A0V | NOD | 014953.05+805311.2 | |
01499+8053 | STT 34 | 2007 | 55 | 285 | 0.5 | 7.58 | 8.12 | A0V | NOD | 014953.05+805311.2 |