18378+1127 BLL 33 (HD 172100)
18h 37m 49.63s +11° 26' 50.4" P.A. 265.00 sep 131.1 mag 8.52,11.93 Sp K5
| Coord 2000 | 18378+1127 | Discov num | BLL 33 | Comp | Coord arcsec 2000 | 18 37 49.63 +11 26 50.4 | |||||
| Date first | 1876 | Date last | 2015 | Obs | 13 | ||||||
| Pa first | 265 | Pa last | 264.6 | P.A. Now (θ) | 264.6° | ||||||
| Sep first | 132.5 | Sep last | 131.087 | Sep. Now (ρ) | 131.087" | ||||||
| Mag pri | 8.52 | Mag sec | 11.93 | delta mag (ΔM) | 3.41 | Spectral class | K5 (yellow-orange) | ||||
| Pri motion ra | -011 | Sec motion ra | -004 | ||||||||
| Pri motion dec | -003 | Sec motion dec | +001 | ||||||||
| Notes | |||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Name | HD 172100 | Constellation | Ophiuchus | SAO | 103927 | Tycho2 | 1032-01274-1 | ||||
| Gaia DR2 | 4504822632221891328 | HD | 172100 |
WDS 18378+1127 BLL 33 (HD 172100) : NOTES
REFERENCES
| refcode | metd | author | reference |
| Bll1872 | orb - | Ball, R.S. | . |
| Bll1872 | Proc. Royal Irish Acad., June 1872 | ||
| Bll1884 | Ma j | Ball, R.S. | 1884DunOP...5....1B |
| Bll1884 | Pub. Dunsink Obs. 5, 1, 1884 | ||
| Bll1913A | Ma - | Ball, R.S. | 1913QB811.B8....... |
| Bll1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
| Bll1932A | - | Ball, R.S. | 1932QB821.A43...... |
| Bll1932A | 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 |
| 18378+1127 | BLL 33 | 1999 | 5 | 265 | 131.2 | 8.52 | 10.50 | K5 | D | 183749.63+112650.4 | |
| 18378+1127 | BLL 33 | 2001 | 7 | 265 | 131.2 | 8.52 | 10.50 | K5 | D | 183749.63+112650.4 | |
| 18378+1127 | BLL 33 | 2010 | 8 | 265 | 131.4 | 8.52 | 11.93 | K5 | 183749.63+112650.4 | ||
| 18378+1127 | BLL 33 | 2015 | 9 | 265 | 131.1 | 8.52 | 11.93 | K5 | 183749.63+112650.4 |
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WDS 18378+1127 BLL 33 (HD 172100) : VISUAL OBSERVATIONS REPORTS
WDS 18378+1127 BLL 33 (HD 172100) : MEASURES
WDS 18378+1127 (HD 172100) : VIRTUAL EYEPIECE
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WDS 18378+1127 (HD 172100) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
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Error -22130
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Error -27220
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Error -27220
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