Coord 2000 | 01297+2250 |
Discov num | A 1910 |
Comp | AB |
Coord arcsec 2000 | 01 29 41.17 +22 49 34.4 |
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Date first | 1908 |
Date last | 2019 |
Obs | 115 |
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Pa first | 127 |
Pa last | 176 |
P.A. Now (θ) | 170.2° |
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Sep first | 0.1 |
Sep last | 0.2 |
Sep. Now (ρ) | 0.22" |
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Mag pri | 7.30 |
Mag sec | 7.90 |
delta mag (ΔM) | 0.6 |
Spectral class | A2V (white) |
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Pri motion ra | +010 |
Sec motion ra | |||||||||
Pri motion dec | -018 |
Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 74751 | 01 29 41 +22 49 34 | A 1910 AB | 2019 | 115 | 170 | 0.2 | 7.30 | 7.90 | 0.60 | Y | <=== | |
Show | 74751 | 01 29 41 +22 49 34 | A 1910 AB,C | 2013 | 7 | 352 | 18.8 | 6.77 | 12.71 | 5.94 |
Precise pa | 176.2 |
Precise sep | 0.19 |
Constellation | Pisces |
SAO | 74751 |
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HIP | 6966 |
Tycho2 | 1749-01315-1 |
Gaia DR2 | 290030074823619200 |
HD | 9071 |
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ADS | 1183 |
BD | BD+22 236 |
Distance | 164.2 |
Distance ly | 535.62 |
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last precise pa | 176.2 |
last precise sep | 0.19 |
Period (P) | 70.7y | ± 1.2 | Periastron (T) | 1985.037y | ± 0.072 | Semi-major axis (a) | 0.1904a | ± 0.002 |
Eccentricity (e) | 0.7802 | ± 0.0054 | Inclination (i) | 119.7° | ± 1.1 | Longitude of periastron (ω) | 119.6° | ± 1.2 |
Node (Ω) | 129.8° | ± 1 | 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 |
01297+2250 | A 1910 | AB | 2005 | 98 | 195 | 0.2 | 7.50 | 7.70 | A2V | NOD | 012941.17+224934.4 |
01297+2250 | A 1910 | AB | 2007 | 100 | 192 | 0.2 | 7.50 | 7.70 | A2V | NOD | 012941.17+224934.4 |
01297+2250 | A 1910 | AB | 2009 | 102 | 183 | 0.2 | 7.50 | 7.70 | A2V | NOD | 012941.17+224934.4 |
01297+2250 | A 1910 | AB | 2010 | 104 | 187 | 0.2 | 7.30 | 7.90 | A2V | NOD | 012941.17+224934.4 |
01297+2250 | A 1910 | AB | 2013 | 107 | 183 | 0.2 | 7.30 | 7.90 | A2V | NOD | 012941.17+224934.4 |
01297+2250 | A 1910 | AB | 2019 | 114 | 176 | 0.2 | 7.30 | 7.90 | A2V | NO | 012941.17+224934.4 |