Statistics – Computation
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320...26m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 320, Sept. 1, 1987, p. 26-31. NSERC-supported research.
Statistics
Computation
18
Astronomical Photometry, Cepheid Variables, Magellanic Clouds, Near Infrared Radiation, Optical Data Storage Materials, Spiral Galaxies, Computational Astrophysics, Infrared Astronomy, Stellar Luminosity
Scientific paper
Near-infrared H-band observations of two long-period Cepheids in the southern spiral galaxy NGC 300 are presented. A formal near-infrared H-band distance modulus of 26.35±0.25 mag is derived (for a true LMC distance modulus of 18.55 mag), corresponding to a distance of 1.9 Mpc. An appraisal of the previously available optical data on the NGC 300 Cepheids is given, and various uncertainties in the fitting procedure to obtain distances are discussed. The present uncertainty in the true modulus of NGC 300 is probably as high as ± 0.35 mag. Finally, astrometric positions are given for all the known Cepheids in NGC 300.
Madore Barry F.
McAlary Christopher Walter
McLaren Robert A.
Welch Douglas L.
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