Coord 2000 | 20256+0604 | Discov num | UC 4177 | Comp | Coord arcsec 2000 | 20 25 38.38 +06 04 14.3 | |||||
Date first | 2000 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 278 | Pa last | 278.1 | P.A. Now (θ) | 278.1° | ||||||
Sep first | 14.3 | Sep last | 14.32 | Sep. Now (ρ) | 14.32" | ||||||
Mag pri | 12.60 | Mag sec | 13.90 | delta mag (ΔM) | 1.3 | Spectral class | |||||
Pri motion ra | +027 | Sec motion ra | +027 | ||||||||
Pri motion dec | -052 | Sec motion dec | -061 | ||||||||
Notes | V R (Proper motion indicates physical, Red magnitudes) |
Constellation | Delphinus | Tycho2 | 0509-00564-1 | Gaia DR2 | 4246664478885195392 |
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 | ................... |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
20256+0604 | UC 4177 | 2000 | 2 | 278 | 14.3 | 12.60 | 13.90 | V | 202538.38+060414.3 | ||
20256+0604 | UC 4177 | 2010 | 3 | 278 | 14.3 | 12.60 | 13.90 | V R | 202538.38+060414.3 | ||
20256+0604 | UC 4177 | 2015 | 4 | 278 | 14.1 | 12.60 | 13.90 | V R | 202538.38+060414.3 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | |
B | pa=278.1° sep=14.24" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 202538.38+060414.3 | Mag | 12.6 | PmRA | 27.00 | ||||
PmDE | -52.0 | Tycho2 | 0509-00564-1 |
Tycho2 | 0509-00564-1 | Pflag | RAmdeg | 306.40992968 | DEmdeg | 6.07051512 | |||||
PmRA | 27.1 | PmDE | -59.5 | E RAmdeg | 106 | E DEmdeg | 137 | ||||
E pmRA | 4.3 | E pmDE | 4.3 | EpRAm | 1981.85 | EpDEm | 1972.94 | ||||
Num | 2 | Q RAmdeg | Q DEmdeg | Q pmRA | |||||||
Q pmDE | BTmag | 13.439 | E BTmag | 0.439 | VTmag | 12.076 | |||||
E VTmag | 0.220 | Prox | 999 | TYC | HIP | ||||||
CCDM | RAdeg | 306.40986639 | DEdeg | 6.07065972 | EpRA 1990 | 1.62 | |||||
EpDE 1990 | 1.25 | E RAdeg | 114.3 | E DEdeg | 158.1 | Posflg | |||||
Corr | -0.1 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 202537.43+060416.3 | Mag | 13.9 | PmRA | 27.00 | ||||
PmDE | -61.0 | Calc delta mag | 1.3 | Calc coord | yes |