Coord 2000 | 20324+4118 |
Discov num | HER 3 |
Comp | AB |
Coord arcsec 2000 | 20 32 22.42 +41 18 18.9 |
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Date first | 1967 |
Date last | 2018 |
Obs | 10 |
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Pa first | 65 |
Pa last | 55 |
P.A. Now (θ) | 55° |
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Sep first | 1.5 |
Sep last | 0.9 |
Sep. Now (ρ) | 0.9" |
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Mag pri | 9.40 |
Mag sec | 11.94 |
delta mag (ΔM) | 2.54 |
Spectral class | O7I+O7I (blue/blue) |
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Pri motion ra | -001 |
Sec motion ra | -001 |
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Pri motion dec | -006 |
Sec motion dec | -003 |
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Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | V729 Cyg | 20 32 22 +41 18 19 | HER 3 AB | 2018 | 10 | 55 | 0.9 | 9.40 | 11.94 | 2.54 | <=== | ||
Show | 20 32 22 +41 18 19 | MZA 25 AC | 2015 | 9 | 324 | 20.5 | 9.40 | 15.40 | 6.00 | ||||
Show | 20 32 22 +41 18 19 | MZA 25 AD | 2015 | 5 | 226 | 5.5 | 9.40 | 16.80 | 7.40 |
Precise pa | 55.2 |
Precise sep | 0.932 |
Var name | V729 Cyg |
Constellation | Cygnus |
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HIP | 101341 |
Tycho2 | 3161-01401-1 |
Gaia DR2 | 2067830941174418048 |
BD | BD+40 4220 |
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Distance | 657.89 |
Distance ly | 2146.04 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20324+4118 | HER 3 | AB | 2007 | 6 | 54 | 0.9 | 9.40 | 11.94 | O7e | N | 203222.42+411818.9 |
20324+4118 | HER 3 | AB | 2018 | 10 | 55 | 0.9 | 9.40 | 11.94 | O7I+O7I | NV | 203222.42+411818.9 |