遇见数据集

Resolved star information : M83 - Subaru and HST

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Zenodo2025-12-11 更新2026-05-26 收录
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Article title : The low-mass and structured stellar halo of M83 argues against a merger origin for its starburst and extended neutral hydrogen disk Two data files needed to reproduce the work presented in this article. M83_SUBARU.fits - Catalog of detected objects from Subaru observations, g, r, and i-bands. RA - RA (J2000.0) DEC - Declination (J2000.0) IMAG_0 - foreground extinction corrected i-band PSF photometry magnitude IMAG_ERR - formal uncertainty in i-band PSF photometry magnitude RMAG_0 - foreground extinction corrected r-band PSF photometry magnitude RMAG_ERR - formal uncertainty in r-band PSF photometry magnitude GMAG_0 - foreground extinction corrected g-band PSF photometry magnitude GMAG_ERR - formal uncertainty in g-band PSF photometry magnitude SIG_AA_B - measured 2nd moment in AA direction (XX or YY) for passband B (G, R or I), in arcseconds PSF_AA_B - PSF's 2nd moment in AA direction (XX or YY) for passband B (G, R or I), in arcseconds STAR_NN_FLAG - Nearest neighbor star-galaxy classification flag; True=classified as a star M83_GHOSTS_mask_and_completeness.fits - Catalog of DOLPHOT-detected objects from HST observations in F606W and F814W; ACS and WFC3 RA - RA (J2000.0) DEC - Declination (J2000.0) F606W - foreground extinction corrected PSF photometry magnitude in F606W F814W - foreground extinction corrected PSF photometry magnitude in F606W FIELD - Field number (from GHOSTS; see paper for details) PASSED_MASKING - False for masked out owing to proximity to bright object, artifact or edges/gaps COMPLETENESS_WEIGHT - 1/artificial star determined completeness

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2025-12-11
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