| Coord 2000 | 20090+4045 |
Discov num | HJ 1487 |
Comp | AB |
Coord arcsec 2000 | 20 09 03.33 +40 44 08.1 |
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| Date first | 1828 |
Date last | 2015 |
Obs | 9 |
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| Pa first | 290 |
Pa last | 298 |
P.A. Now (θ) | 298° |
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| Sep first | 6.0 |
Sep last | 14.3 |
Sep. Now (ρ) | 14.3" |
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| Mag pri | 10.60 |
Mag sec | 13.60 |
delta mag (ΔM) | 3 |
Spectral class | M4 (red) |
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| Pri motion ra | +001 |
Sec motion ra | -006 |
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| Pri motion dec | -007 |
Sec motion dec | -001 |
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| Notes | |||||||||||
| Show | name | SAO | coord_2000 | discov# | comp | first | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
| Show | 20090+4045 | HJ 1487 | AB | 1828 | 2015 | 9 | 298 | 14.3 | 10.60 | 13.60 | 3.00 | <=== | |||
| Show | 20090+4045 | OPI9003 | AC | 1925 | 2015 | 11 | 195 | 60.1 | 10.60 | 11.30 | 0.70 |
| Precise pa | 297.5 |
Precise sep | 14.306 |
Constellation | Cygnus |
Tycho2 | 3154-00367-1 |
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| Gaia DR2 | 99046302720 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20090+4045 | HJ 1487 | AB | 2006 | 4 | 298 | 14.3 | 10.60 | 13.60 | M4 | 200903.33+404408.1 | |
| 20090+4045 | HJ 1487 | AB | 2015 | 5 | 298 | 14.3 | 10.60 | 13.60 | M4 | 200903.33+404408.1 |