A SHORT SCALE LENGTH FOR THE {alpha}-ENHANCED THICK DISK OF THE MILKY WAY: EVIDENCE FROM LOW-LATITUDE SEGUE DATA

Journal Article · Sun Jun 10 04:00:00 EDT 2012 · Astrophysical Journal

DOI:https://doi.org/10.1088/0004-637X/752/1/51· OSTI ID:22037086

Cheng, Judy Y ^[1]; Rockosi, Constance M; Schlesinger, Katharine J ^[2]; Morrison, Heather L; Harding, Paul ^[3]; Lee, Young Sun; Beers, Timothy C ^[4]; Bizyaev, Dmitry; Malanushenko, Elena; Malanushenko, Viktor; Oravetz, Daniel; Pan, Kaike; Simmons, Audrey ^[5]; Schneider, Donald P ^[6]

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1. Department of Astronomy and Astrophysics, University of California Santa Cruz, Santa Cruz, CA 95064 (United States)
2. Department of Astronomy and Astrophysics, UCO/Lick Observatory, University of California, Santa Cruz, CA 95064 (United States)
3. Department of Astronomy, Case Western Reserve University, Cleveland, OH 44106 (United States)
4. Department of Physics and Astronomy and JINA (Joint Institute for Nuclear Astrophysics), Michigan State University, E. Lansing, MI 48824 (United States)
5. Apache Point Observatory, Sunspot, NM 88349 (United States)
6. Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA 16802 (United States)

We examine the {alpha}-element abundance ratio, [{alpha}/Fe], of 5620 stars, observed by the Sloan Extension for Galactic Understanding and Exploration survey in the region 6 kpc

• OSTI ID: 22037086
• Journal Information: Astrophysical Journal, Journal Name: Astrophysical Journal Journal Issue: 1 Vol. 752; ISSN ASJOAB; ISSN 0004-637X
• Country of Publication: United States
• Language: English

Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
ASTRONOMY
ASTROPHYSICS
DISTANCE
ELEMENT ABUNDANCE
GALACTIC EVOLUTION
HEATING
LENGTH
MILKY WAY
ROTATION
SCALE HEIGHT
STARS
TRANSIENTS
VELOCITY