J/AJ/142/2 Burrell-Optical-Kepler-Survey (BOKS). I. (Feldmeier+, 2011)
The Burrell-Optical-Kepler-Survey (BOKS).
I. Survey description and initial results.
Feldmeier J.J., Howell S.B., Sherry W., von Braun K., Everett M.E.,
Ciardi D.R., Harding P., Mihos J.C., Rudick C.S., Lee T.-H., Kutsko R.M.,
van Belle G.T.
<Astron. J., 142, 2 (2011)>
=2011AJ....142....2F 2011AJ....142....2F
ADC_Keywords: Surveys ; Binaries, eclipsing ; Photometry, SDSS
Keywords: binaries: eclipsing - planetary systems - techniques: photometric
Abstract:
We present the initial results of a 40 night contiguous ground-based
campaign of time series photometric observations of a 1.39deg2 field
located within the NASA Kepler Mission field of view. The goal of this
pre-launch survey was to search for transiting extrasolar planets and
to provide independent variability information of stellar sources. We
have gathered a data set containing light curves of 54,687 stars from
which we have created a statistical sub-sample of 13,786 stars between
14<r<18.5 and have statistically examined each light curve to test
for variability. We present a summary of our preliminary photometric
findings including the overall level and content of stellar
variability in this portion of the Kepler field and give some examples
of unusual variable stars found within. We present a preliminary
catalog of 2,457 candidate variable stars, of which 776 show signs of
periodicity. We also present three potential exoplanet candidates, all
of which should be observable by the Kepler mission.
Description:
Our photometric survey began on 2006 September 1 and ended on 2006
October 10, consisting of 40 nights in all. We observed with the Case
Western Reserve University 0.61m Burrell Schmidt telescope, located at
Kitt Peak National Observatory.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 56 1681 Nonperiodic variable candidates
table3.dat 84 776 Periodic variable candidates
table4.dat 85 3 BOKS exoplanet candidates
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See also:
V/133 : Kepler Input Catalog (Kepler Mission Team, 2009)
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- BOKS Burrell-Optical-Kepler-Survey ID
7- 13 I7 --- KIC Kepler Input Catalog ID
15- 16 I2 h RAh Hour of Right Ascension (J2000)
18- 19 I2 min RAm Minute of Right Ascension (J2000)
21- 26 F6.3 s RAs Second of Right Ascension (J2000)
27 A1 --- DE- Sign of Declination (J2000)
28- 29 I2 deg DEd Degree of Declination (J2000)
31- 32 I2 arcmin DEm Arcminute of Declination (J2000)
34- 38 F5.2 arcsec DEs Arcsecond of Declination (J2000)
40- 45 F6.3 mag rmag ? The r band magnitude
46- 51 F6.3 mag g-r ? The (g-r) color index
53- 56 F4.2 mag std Standard deviation of the light curve
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- BOKS Burrell-Optical-Kepler-Survey ID
7- 13 I7 --- KIC Kepler Input Catalog ID
15- 16 I2 h RAh Hour of Right Ascension (J2000)
18- 19 I2 min RAm Minute of Right Ascension (J2000)
21- 26 F6.3 s RAs Second of Right Ascension (J2000)
27 A1 --- DE- Sign of Declination (J2000)
28- 29 I2 deg DEd Degree of Declination (J2000)
31- 32 I2 arcmin DEm Arcminute of Declination (J2000)
34- 38 F5.2 arcsec DEs Arcsecond of Declination (J2000)
40- 44 F5.2 mag rmag The r band magnitude
46- 50 F5.2 mag g-r ? The (g-r) color index
52- 56 F5.2 d Per Period
58- 62 F5.3 mag Amp Amplitude
64- 84 A21 --- Note Object type/comments
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 I5 --- BOKS Burrell-Optical-Kepler-Survey ID
7- 13 I7 --- KIC Kepler Input Catalog ID
15- 16 I2 h RAh Hour of Right Ascension (J2000)
18- 19 I2 min RAm Minute of Right Ascension (J2000)
21- 26 F6.3 s RAs Second of Right Ascension (J2000)
27 A1 --- DE- Sign of Declination (J2000)
28- 29 I2 deg DEd Degree of Declination (J2000)
31- 32 I2 arcmin DEm Arcminute of Declination (J2000)
34- 38 F5.2 arcsec DEs Arcsecond of Declination (J2000)
40- 45 F6.3 mag rmag ? The r band magnitude
46- 51 F6.3 mag g-r ? The (g-r) color index (1)
52- 56 F5.2 d Per Period
58- 61 F4.2 mag Depth Eclipse depth
63- 66 F4.2 mag e_Depth rms uncertainty on Depth
68- 85 A18 --- Note Object type/comments
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Note (1): For reference, the Sun is believed to have a g-r color of 0.44±0.02
(Bilir et al., 2005AN....326..321B 2005AN....326..321B; Rodgers et al. 2006AJ....132..989R 2006AJ....132..989R).
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History:
From electronic version of the journal
(End) Greg Schwarz [AAS], Patricia Vannier [CDS] 21-Sep-2012