18225+6924 UC 239
18h 22m 29.36s +69° 23' 40.1" P.A. 264.00 sep 23.8 mag 11.19,14.09
| Coord 2000 | 18225+6924 | Discov num | UC 239 | Comp | Coord arcsec 2000 | 18 22 29.36 +69 23 40.1 | |||||
| Date first | 2000 | Date last | 2016 | Obs | 11 | ||||||
| Pa first | 264 | Pa last | 264.1 | P.A. Now (θ) | 264.1° | ||||||
| Sep first | 23.8 | Sep last | 23.834 | Sep. Now (ρ) | 23.834" | ||||||
| Mag pri | 11.19 | Mag sec | 14.09 | delta mag (ΔM) | 2.9 | Spectral class | |||||
| Pri motion ra | -004 | Sec motion ra | -007 | ||||||||
| Pri motion dec | +082 | Sec motion dec | +083 | ||||||||
| Notes | V (Proper motion indicates physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Draco | Tycho2 | 4433-01528-1 | Gaia DR2 | 2259865663484885376 |
WDS 18225+6924 UC 239 : NOTES
REFERENCES
| refcode | metd | author | reference |
| UC | USNO CCD Astrographic Catalog (UCAC1, UCAC2, UCAC3, UCAC4) | ................... | |
| UC_2013a | Eu j | Zacharias, N., Finch, C.T., Girard, T.M., Henden, A., Bartlett, J.L., Monet, D.G., | 2013AJ....145...44Z |
| UC_2013a | & Zacharias, M.I. (UCAC4 Catalog) | ||
| UC_2013a | AJ 145, 44, 2013 | ||
| UC_2013b | Eu j | Hartkopf, W.I., Mason, B.D., Finch, C.T., Zacharias, N., Wycoff, G.L., & Hsu, D. | 2013AJ....146...76H |
| UC_2013b | AJ 146, 76, 2013 (UC 301 - 5058) | ||
| UC_2013b | (Relative astrometry is derived from individual measurements, not precessed means. | ||
| UC_2013b | UCAC aperture magnitudes are listed, unless the duplicity flag indicates a blended | ||
| UC_2013b | image (a flag value of 30 or higher). Model fit magnitudes are given for both | ||
| UC_2013b | components if either has such a flag. Model fit magnitudes are indicated by the | ||
| UC_2013b | letter "f" following the filter information. | ||
| UC_2013b | APASS photometry extracted from UCAC4 catalog is listed under reference AAV2012. | ||
| UC_2013b | Due to aperture method used, APASS photometry is only included for pairs wider | ||
| UC_2013b | than 10" (Henden, private comm.) Photometry for pairs wider than 10" which showed | ||
| UC_2013b | identical values for both components in all filters were removed, as well. | ||
| UC_2015 | Eu - | Zacharias, N., Finch, C.T., Subasavage, J.P., Bredthauer, G., Crockett, C., | 2015AJ....150..101Z |
| UC_2015 | DiVittorio, M., Ferguson, E., Harris, F., Harris, H.C., Hendon, A., Kilian, C., | ||
| UC_2015 | Munn, J., Rafferty, T., Rhodes, A., Schultheis, M., Tilleman, T., & Wieder, G. | ||
| UC_2015 | AJ 150, 101, 2015 | ||
| UC_9999 | Eu - | temporary UCAC files | ................... |
WDS HISTORIC DATA
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 18225+6924 | UC 239 | 2000 | 1 | 264 | 23.8 | 11.19 | 13.99 | V | 182229.36+692340.1 | ||
| 18225+6924 | UC 239 | 2004 | 2 | 264 | 23.8 | 11.19 | 13.99 | VD | 182229.36+692340.1 | ||
| 18225+6924 | UC 239 | 2010 | 3 | 264 | 23.8 | 11.19 | 14.09 | V | 182229.36+692340.1 | ||
| 18225+6924 | UC 239 | 2015 | 4 | 264 | 23.8 | 11.19 | 14.09 | V | 182229.36+692340.1 | ||
| 18225+6924 | UC 239 | 2016 | 11 | 264 | 23.8 | 11.19 | 14.09 | V | 182229.36+692340.1 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 18225+6924 UC 239 : VISUAL OBSERVATIONS REPORTS
WDS 18225+6924 UC 239 : MEASURES
WDS 18225+6924 : VIRTUAL EYEPIECE
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WDS 18225+6924 : ALADIN DSS IMAGE @
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