| Coord 2000 | 20189+4227 |
Discov num | HJ 1503 |
Comp | Coord arcsec 2000 | 20 18 55.48 +42 27 28.5 |
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| Date first | 1828 |
Date last | 2015 |
Obs | 16 |
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| Pa first | 82 |
Pa last | 73 |
P.A. Now (θ) | 73° |
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| Sep first | 10.0 |
Sep last | 16.9 |
Sep. Now (ρ) | 16.9" |
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| Mag pri | 9.82 |
Mag sec | 10.90 |
delta mag (ΔM) | 1.08 |
Spectral class | A5 (white) |
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| Pri motion ra | +002 |
Sec motion ra | +013 |
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| Pri motion dec | +000 |
Sec motion dec | +009 |
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| Notes | |||||||||||
| Precise pa | 72.9 |
Precise sep | 16.857 |
Constellation | Cygnus |
SAO | 49460 |
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| Tycho2 | 3159-00457-1 |
Gaia DR2 | 2068774901969252480 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20189+4227 | HJ 1503 | 2000 | 8 | 73 | 16.7 | 9.82 | 10.90 | A5 | D | 201855.48+422728.5 | |
| 20189+4227 | HJ 1503 | 2002 | 10 | 73 | 16.7 | 9.82 | 10.90 | A5 | D | 201855.48+422728.5 | |
| 20189+4227 | HJ 1503 | 2010 | 11 | 72 | 17.0 | 9.82 | 10.90 | A5 | 201855.48+422728.5 | ||
| 20189+4227 | HJ 1503 | 2015 | 12 | 73 | 16.9 | 9.82 | 10.90 | A5 | 201855.48+422728.5 |