21494+2600 UC 4574
21h 49m 24.75s +25° 59' 35.6" P.A. 27.00 sep 47.5 mag 15.30,16.46
| Coord 2000 | 21494+2600 | Discov num | UC 4574 | Comp | Coord arcsec 2000 | 21 49 24.75 +25 59 35.6 | |||||
| Date first | 1997 | Date last | 2015 | Obs | 4 | ||||||
| Pa first | 27 | Pa last | 26.9 | P.A. Now (θ) | 26.9° | ||||||
| Sep first | 47.6 | Sep last | 47.537 | Sep. Now (ρ) | 47.537" | ||||||
| Mag pri | 15.30 | Mag sec | 16.46 | delta mag (ΔM) | 1.16 | Spectral class | |||||
| Pri motion ra | +009 | Sec motion ra | +021 | ||||||||
| Pri motion dec | -071 | Sec motion dec | -059 | ||||||||
| Notes | V (Proper motion indicates physical) | ||||||||||
OTHER CATALOGS AND DESIGNATIONS
| Constellation | Pegasus | Gaia DR2 | 1799390915328294912 |
WDS 21494+2600 UC 4574 : 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 |
| 21494+2600 | UC 4574 | 2000 | 2 | 27 | 47.7 | 15.30 | 16.50 | V | 214924.75+255935.6 | ||
| 21494+2600 | UC 4574 | 2001 | 2 | 27 | 47.8 | 15.30 | 16.50 | V | 214924.75+255935.6 | ||
| 21494+2600 | UC 4574 | 2010 | 3 | 26 | 48.3 | 15.30 | 16.46 | V | 214924.75+255935.6 | ||
| 21494+2600 | UC 4574 | 2015 | 4 | 27 | 47.5 | 15.30 | 16.46 | V | 214924.75+255935.6 |
If you need more information about this double, apply for a data request form to the WDS.
WDS 21494+2600 UC 4574 : VISUAL OBSERVATIONS REPORTS
WDS 21494+2600 UC 4574 : MEASURES
WDS 21494+2600 : VIRTUAL EYEPIECE
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WDS 21494+2600 : ALADIN DSS IMAGE @
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