Photoelectric photometry of asteroid 69 Hesperia

Details Photoelectric photometry of asteroid 69 Hesperia Photoelectric photometry of asteroid 69 Hesperia

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...61..291p&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 61, Aug. 1985, p. 291-297.

Astronomy and Astrophysics

Astronomy

6

Asteroids, Astronomical Photometry, Light Curve, Albedo, Electrophotometry, Ephemerides, Phase Shift, Reference Stars, Ubv Spectra, Asteroids, Astronomy, Photoelectric Methods, Photometry, Observations, Hesperia, Ultraviolet, Wavelengths, Lightcurves, Shape, M Asteroids, Albedo, Surface, Optical Properties, Rotation, Period, Color

Scientific paper

UBV photometric observations of the M asteroid 69 Hesperia, obtained using single-channel photometers on the 31-in. and 42-in. reflectors at Lowell Observatory and on the 24-in. reflector at Mauna Kea Observatory during the apparition of August-November 1977, are reported. The data are presented in tables and graphs and analyzed. Findings presented include minimal temporal or phase-angle-dependent light-curve fluctuations, evidence for large-scale albedo variegation of a few percent, synodic rotation period 5.65537 + or - 0.00064 h, zero-phase color indices B-V = 0.68 mag and U-B = 0.24 mag, B-V phase reddening 0.003 mag/deg, and absolute zero-phase primary maximum magnitude V = 7.04.

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