| Coord 2000 | 20181+1519 |
Discov num | CHE 290 |
Comp | Coord arcsec 2000 | 20 18 08.16 +15 18 17.4 |
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| Date first | 1910 |
Date last | 2019 |
Obs | 12 |
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| Pa first | 149 |
Pa last | 153 |
P.A. Now (θ) | 153° |
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| Sep first | 9.4 |
Sep last | 10.2 |
Sep. Now (ρ) | 10.2" |
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| Mag pri | 11.29 |
Mag sec | 12.68 |
delta mag (ΔM) | 1.39 |
Spectral class | |||||
| Pri motion ra | +002 |
Sec motion ra | +023 |
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| Pri motion dec | +013 |
Sec motion dec | +007 |
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| Notes | N
(See Notes) |
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| Precise pa | 153.4 |
Precise sep | 10.2 |
Constellation | Delphinus |
SAO | 105936 |
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| Tycho2 | 1631-00654-1 |
Gaia DR2 | 1808340317209679104 |
HD | 355390 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20181+1519 | CHE 290 | 2006 | 5 | 159 | 9.6 | 9.66 | 10.06 | N D | 201808.11+151816.2 | ||
| 20181+1519 | CHE 290 | 2008 | 4 | 154 | 10.1 | 11.29 | 12.68 | N D | 201808.16+151817.4 | ||
| 20181+1519 | CHE 290 | 2015 | 7 | 153 | 10.1 | 11.29 | 12.68 | N | 201808.16+151817.4 | ||
| 20181+1519 | CHE 290 | 2019 | 12 | 153 | 10.2 | 11.29 | 12.68 | N | 201808.16+151817.4 |