Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008javso..36..265s&link_type=abstract
The Journal of the American Association of Variable Star Observers, vol. 36, no. 2, p. 265
Physics
Scientific paper
In the paper "Photometry, Spectroscopy, and Classification of Nova V475 Scuti" by D. Starkey (JAAVSO, 2005, 34, 36-42), there is an error in Equation (2), the descriptions of Equations (2) and (3) should be amended, and a fourth equation and its description should be added. Equation (2) should read:
"Mv = -7.92 ± 0.81 arctan {(1.32 - log(t2))/0.23} (2)"
The description of Equation (2) should read: "where Mv equals the absolute V-band magnitude of the nova, t2 is the time in days for the nova to drop exactly two magnitudes in brightness in the V-band, and the value of the arctangent is in radians." The description for Equation (3) should read: "where mv equals the apparent or observed magnitude of V475 Sct at maximum, D equals the distance to the nova in pc, and Av is the total galactic absorption of the light path to the nova in V-band magnitudes." A fourth equation, and descriptive text should be added as follows: "The total galactic absorption can be determined by:
Av = av ? D (4)
where av is the galactic absorption factor of 1.9 V mags/kpc."
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