Photometric quality of Dome C for the winter 2008 from ASTEP South
ASTEP South is an Antarctic Search for Transiting Exo- Planets in the South pole field, from the Concordia station, Dome C, Antarctica. The instrument consists of a thermalized 10 cm refractor observing a fixed 3.88\degree x 3.88\degree field of view to perform photometry of several thousand stars a...
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| creator | Crouzet, Nicolas Guillot, Tristan Agabi, Karim Yan Fanteï-Caujolle Fressin, Francois Rivet, Jean-Pierre Bondoux, Erick Challita, Zalpha Lyu Abe Blazit, Alain Bonhomme, Serge Daban, Jean-Baptiste Gouvret, Carole Mékarnia, Djamel François-Xavier Schmider Valbousquet, Franck |
| description | ASTEP South is an Antarctic Search for Transiting Exo- Planets in the South pole field, from the Concordia station, Dome C, Antarctica. The instrument consists of a thermalized 10 cm refractor observing a fixed 3.88\degree x 3.88\degree field of view to perform photometry of several thousand stars at visible wavelengths (700-900 nm). The first winter campaign in 2008 led to the retrieval of nearly 1600 hours of data. We derive the fraction of photometric nights by measuring the number of detectable stars in the field. The method is sensitive to the presence of small cirrus clouds which are invisible to the naked eye. The fraction of night-time for which at least 50% of the stars are detected is 74% from June to September 2008. Most of the lost time (18.5% out of 26%) is due to periods of bad weather conditions lasting for a few days ("white outs"). Extended periods of clear weather exist. For example, between July 10 and August 10, 2008, the total fraction of time (day+night) for which photometric observations were possible was 60%. This confirms the very high quality of Dome C for nearly continuous photometric observations during the Antarctic winter. |
| doi_str_mv | 10.48550/arxiv.1002.2898 |
| format | Article |
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The instrument consists of a thermalized 10 cm refractor observing a fixed 3.88\degree x 3.88\degree field of view to perform photometry of several thousand stars at visible wavelengths (700-900 nm). The first winter campaign in 2008 led to the retrieval of nearly 1600 hours of data. We derive the fraction of photometric nights by measuring the number of detectable stars in the field. The method is sensitive to the presence of small cirrus clouds which are invisible to the naked eye. The fraction of night-time for which at least 50% of the stars are detected is 74% from June to September 2008. Most of the lost time (18.5% out of 26%) is due to periods of bad weather conditions lasting for a few days ("white outs"). Extended periods of clear weather exist. For example, between July 10 and August 10, 2008, the total fraction of time (day+night) for which photometric observations were possible was 60%. This confirms the very high quality of Dome C for nearly continuous photometric observations during the Antarctic winter.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1002.2898</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Binoculars ; Cirrus clouds ; Domes ; Field of view ; Ice ; Night ; Photometry ; Physics - Instrumentation and Methods for Astrophysics ; Planet detection ; South Pole ; Stars ; Weather</subject><ispartof>arXiv.org, 2010-02</ispartof><rights>2010. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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This confirms the very high quality of Dome C for nearly continuous photometric observations during the Antarctic winter.</description><subject>Binoculars</subject><subject>Cirrus clouds</subject><subject>Domes</subject><subject>Field of view</subject><subject>Ice</subject><subject>Night</subject><subject>Photometry</subject><subject>Physics - Instrumentation and Methods for Astrophysics</subject><subject>Planet detection</subject><subject>South Pole</subject><subject>Stars</subject><subject>Weather</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>GOX</sourceid><recordid>eNotj8FLwzAYxYMgOObuniTgufXLl6ZNj7POKQwcrPeSLgntWJctTdX993bO04P3Ho_3I-SBQZxIIeBZ-Z_2K2YAGKPM5Q2ZIOcskgniHZn1_Q7GKM1QCD4hL-vGBdeZ4NstPQ1q34YzdZa-jh4tqHWehsbQ7_YQjKcIIKn1rqPzTblY040bQnNPbq3a92b2r1NSvi3K4j1afS4_ivkqUoJhxHQOlrPaWqVtBhKM5mmmE6FqMAJFWjOdsUToOt1mjOVG1gITnat8ZOIo-JQ8Xmf_-Kqjbzvlz9WFs7pwjoWna-Ho3Wkwfah2bvCH8VKFIJHJVKbIfwGt21LP</recordid><startdate>20100215</startdate><enddate>20100215</enddate><creator>Crouzet, Nicolas</creator><creator>Guillot, Tristan</creator><creator>Agabi, Karim</creator><creator>Yan Fanteï-Caujolle</creator><creator>Fressin, Francois</creator><creator>Rivet, Jean-Pierre</creator><creator>Bondoux, Erick</creator><creator>Challita, Zalpha</creator><creator>Lyu Abe</creator><creator>Blazit, Alain</creator><creator>Bonhomme, Serge</creator><creator>Daban, Jean-Baptiste</creator><creator>Gouvret, Carole</creator><creator>Mékarnia, Djamel</creator><creator>François-Xavier Schmider</creator><creator>Valbousquet, Franck</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20100215</creationdate><title>Photometric quality of Dome C for the winter 2008 from ASTEP South</title><author>Crouzet, Nicolas ; Guillot, Tristan ; Agabi, Karim ; Yan Fanteï-Caujolle ; Fressin, Francois ; Rivet, Jean-Pierre ; Bondoux, Erick ; Challita, Zalpha ; Lyu Abe ; Blazit, Alain ; Bonhomme, Serge ; Daban, Jean-Baptiste ; Gouvret, Carole ; Mékarnia, Djamel ; François-Xavier Schmider ; Valbousquet, Franck</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a512-1d90f31bffadf7080ed367d45ab0e5256b1d7145db6c7119e8b524d9a95503253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Binoculars</topic><topic>Cirrus clouds</topic><topic>Domes</topic><topic>Field of view</topic><topic>Ice</topic><topic>Night</topic><topic>Photometry</topic><topic>Physics - Instrumentation and Methods for Astrophysics</topic><topic>Planet detection</topic><topic>South Pole</topic><topic>Stars</topic><topic>Weather</topic><toplevel>online_resources</toplevel><creatorcontrib>Crouzet, Nicolas</creatorcontrib><creatorcontrib>Guillot, Tristan</creatorcontrib><creatorcontrib>Agabi, Karim</creatorcontrib><creatorcontrib>Yan Fanteï-Caujolle</creatorcontrib><creatorcontrib>Fressin, Francois</creatorcontrib><creatorcontrib>Rivet, Jean-Pierre</creatorcontrib><creatorcontrib>Bondoux, Erick</creatorcontrib><creatorcontrib>Challita, Zalpha</creatorcontrib><creatorcontrib>Lyu Abe</creatorcontrib><creatorcontrib>Blazit, Alain</creatorcontrib><creatorcontrib>Bonhomme, Serge</creatorcontrib><creatorcontrib>Daban, Jean-Baptiste</creatorcontrib><creatorcontrib>Gouvret, Carole</creatorcontrib><creatorcontrib>Mékarnia, Djamel</creatorcontrib><creatorcontrib>François-Xavier Schmider</creatorcontrib><creatorcontrib>Valbousquet, Franck</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Crouzet, Nicolas</au><au>Guillot, Tristan</au><au>Agabi, Karim</au><au>Yan Fanteï-Caujolle</au><au>Fressin, Francois</au><au>Rivet, Jean-Pierre</au><au>Bondoux, Erick</au><au>Challita, Zalpha</au><au>Lyu Abe</au><au>Blazit, Alain</au><au>Bonhomme, Serge</au><au>Daban, Jean-Baptiste</au><au>Gouvret, Carole</au><au>Mékarnia, Djamel</au><au>François-Xavier Schmider</au><au>Valbousquet, Franck</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Photometric quality of Dome C for the winter 2008 from ASTEP South</atitle><jtitle>arXiv.org</jtitle><date>2010-02-15</date><risdate>2010</risdate><eissn>2331-8422</eissn><abstract>ASTEP South is an Antarctic Search for Transiting Exo- Planets in the South pole field, from the Concordia station, Dome C, Antarctica. The instrument consists of a thermalized 10 cm refractor observing a fixed 3.88\degree x 3.88\degree field of view to perform photometry of several thousand stars at visible wavelengths (700-900 nm). The first winter campaign in 2008 led to the retrieval of nearly 1600 hours of data. We derive the fraction of photometric nights by measuring the number of detectable stars in the field. The method is sensitive to the presence of small cirrus clouds which are invisible to the naked eye. The fraction of night-time for which at least 50% of the stars are detected is 74% from June to September 2008. Most of the lost time (18.5% out of 26%) is due to periods of bad weather conditions lasting for a few days ("white outs"). Extended periods of clear weather exist. For example, between July 10 and August 10, 2008, the total fraction of time (day+night) for which photometric observations were possible was 60%. 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| subjects | Binoculars Cirrus clouds Domes Field of view Ice Night Photometry Physics - Instrumentation and Methods for Astrophysics Planet detection South Pole Stars Weather |
| title | Photometric quality of Dome C for the winter 2008 from ASTEP South |
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