720 Bohlinia
Encyclopedia
720 Bohlinia is a minor planet
Minor planet
An asteroid group or minor-planet group is a population of minor planets that have a share broadly similar orbits. Members are generally unrelated to each other, unlike in an asteroid family, which often results from the break-up of a single asteroid...

 orbiting the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

.

720 Bohlinia was discovered by Franz Kaiser
Franz Kaiser
Franz Kaiser was a German astronomer.He worked at the Heidelberg-Königstuhl Observatory from 1911 to 1914 while working on his Ph.D. there, which he obtained in 1915. During this time Heidelberg was a center of asteroid discovery, and Kaiser discovered a number of asteroids during his time...

, a German astronomer in 1911. It is named for Karl Petrus Theodor Bohlin, Swedish astronomer to mark his 65th birthday.http://ssd.jpl.nasa.gov/sbdb.cgi#top

It is one of the Koronis family
Koronis family
]The Koronis family is a family of asteroids in the main belt between Mars and Jupiter. They are thought to have been formed at least two billion years ago in a catastrophic collision between two larger bodies. The largest known is about in diameter. The Koronis family travels in a cluster along...

 of asteroids. A group of astronomers, including Lucy d’Escoffier Crespo da Silva and Richard P. Binzel
Richard P. Binzel
Richard "Rick" P. Binzel is a Professor of Planetary Sciences at the Massachusetts Institute of Technology. He is the inventor of the Torino Scale, a method for categorizing the impact hazard associated with near-Earth objects such as asteroids and comets.Binzel was awarded the H. C. Urey Prize...

, used observations made between 1998 through 2000 to determine the spin-vector alignment of these asteroids. The collaborative work resulted in the creation of 61 new individual rotation lightcurves to augment previous published observations.

Binzel and Schelte Bus
Schelte J. Bus
Schelte John "Bobby" Bus is an Associate Astronomer at the University of Hawaii Institute for Astronomy and Support Astronomer at NASA's Infrared Telescope Facility IRTF. He received his B.S. from Caltech in 1979, and was awarded his Ph.D from the Massachusetts Institute of Technology in 1999.Bus...

further added to the knowledge about this asteroid in a lightwave survey published in 2003. This project was known as Small Main-belt Asteroid Spectroscopic Survey, Phase II or SMASSII, which built on a previous survey of the main-belt asteroids. The visible-wavelength (0.435-0.925 micrometre) spectra data was gathered between August 1993 and March 1999.

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