| Coord 2000 | 20287+4737 |
Discov num | GRF 17 |
Comp | Coord arcsec 2000 | 20 28 44.47 +47 36 40.4 |
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| Date first | 1901 |
Date last | 2015 |
Obs | 10 |
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| Pa first | 102 |
Pa last | 102 |
P.A. Now (θ) | 102° |
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| Sep first | 160.2 |
Sep last | 160.1 |
Sep. Now (ρ) | 160.1" |
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| Mag pri | 7.62 |
Mag sec | 8.45 |
delta mag (ΔM) | 0.83 |
Spectral class | G7II+A0 (yellow/white) |
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| Pri motion ra | +001 |
Sec motion ra | -002 |
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| Pri motion dec | -005 |
Sec motion dec | -009 |
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| Notes | |||||||||||
| Precise pa | 102.4 |
Precise sep | 160.136 |
Constellation | Cygnus |
SAO | 49677 |
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| Tycho2 | 3577-01368-1 |
Gaia DR2 | 2083587423848624896 |
HD | 195338 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20287+4737 | GRF 17 | 2000 | 1 | 103 | 160.0 | 7.50 | 8.40 | G7II+A0 | 202844.47+473640.4 | ||
| 20287+4737 | GRF 17 | 2010 | 4 | 102 | 160.1 | 7.62 | 8.45 | G7II+A0 | 202844.47+473640.4 | ||
| 20287+4737 | GRF 17 | 2015 | 7 | 102 | 160.1 | 7.62 | 8.45 | G7II+A0 | 202844.47+473640.4 |