18086-1823 GAU 9002 (HD 165811)
18h 08m 37.68s -18° 22' 36.7" P.A. 125.00 sep 26.8 mag 10.41,11.22 Sp B8/9Ib
| Coord 2000 | 18086-1823 | Discov num | GAU9002 | Comp | Coord arcsec 2000 | 18 08 37.68 -18 22 36.7 | |||||
| Date first | 1916 | Date last | 2018 | Obs | 11 | ||||||
| Pa first | 124 | Pa last | 124.6 | P.A. Now (θ) | 124.6° | ||||||
| Sep first | 26.2 | Sep last | 26.754 | Sep. Now (ρ) | 26.754" | ||||||
| Mag pri | 10.41 | Mag sec | 11.22 | delta mag (ΔM) | 0.81 | Spectral class | B8/9Ib (blue-white) | ||||
| Pri motion ra | +000 | Sec motion ra | -001 | ||||||||
| Pri motion dec | +000 | Sec motion dec | -003 | ||||||||
| Notes | |||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Name | HD 165811 | Constellation | Sagittarius | Tycho2 | 6268-01423-1 | Gaia DR2 | 4095772180305738752 | ||||
| HD | 165811 |
WDS 18086-1823 GAU 9002 (HD 165811) : NOTES
REFERENCES
| refcode | metd | author | reference |
| Gau1923 | Ma - | Gauchet, P.L. | 1923JO......6...73G |
| Gau1923 | J. Obs. 6, 73, 1923 | ||
| Gau1925 | Ma - | Gauchet, P.L. | 1925AJ.....36...67G |
| Gau1925 | +Pa | AJ 36, 67, 1925 | |
| Gau1925b | Pa j | Gauchet, P.L. | 1925JO......8...65G |
| Gau1925b | +Ma | J. Obs. 8, 65, 1925 | |
| Gau1926a | Pa - | Gauchet, P.L. | . |
| Gau1926a | +Po | Ann. Shanghai Obs. Zo-Se 14, 131, 1926 | |
| Gau1926b | Ma - | Gauchet, P.L. | 1926AJ.....37...47G |
| Gau1926b | AJ 37, 47, 1926 | ||
| Gau1928 | Pa - | Gauchet, P.L. | 1928JO.....11..112G |
| Gau1928 | J. Obs. 11, 112, 1928 | ||
| Gau1932A | - | Gauchet, P.L. | 1932QB821.A43...... |
| Gau1932A | cited in ADS (Aitken Double Star Cat.), 1932 |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18086-1823 | GAU9002 | 2000 | 3 | 125 | 26.7 | 10.40 | 11.20 | B8/9Ib | 180837.68-182236.7 | ||
| 18086-1823 | GAU9002 | 2017 | 10 | 125 | 26.7 | 10.41 | 11.22 | B8/9Ib | 180837.68-182236.7 | ||
| 18086-1823 | GAU9002 | 2018 | 11 | 125 | 26.8 | 10.41 | 11.22 | B8/9Ib | 180837.68-182236.7 |
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WDS 18086-1823 GAU 9002 (HD 165811) : VISUAL OBSERVATIONS REPORTS
WDS 18086-1823 GAU 9002 (HD 165811) : MEASURES
WDS 18086-1823 (HD 165811) : VIRTUAL EYEPIECE
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WDS 18086-1823 (HD 165811) : ALADIN DSS IMAGE @
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