J/AcA/72/245 OGLE delta Scuti stars in SMC (Soszynski+, 2022)
The OGLE collection of variable stars.
Over 2600 delta Scuti stars in the Small Magellanic Cloud.
Soszynski I., Udalski A., Skowron J., Pietrukowicz P., Szymanski M.K.,
Poleski R., Skowron D.M., Kozlowski S., Mroz P., Iwanek P., Wrona M.,
Ulaczyk K., Rybicki K., Gromadzki M.
<Acta Astron., 72, 245-256 (2022)>
=2022AcA....72..245S 2022AcA....72..245S (SIMBAD/NED BibCode)
ADC_Keywords: Magellanic Clouds ; Stars, variable ; Photometry ; Optical
Keywords: stars: variables: delta Scuti - stars: oscillations -
Magellanic Clouds - Catalogs
Abstract:
We present the first-ever collection of d Scuti stars found over the
entire area of the Small Magellanic Cloud (SMC). The sample consists
of 2810 variables of which over 2600 objects belong to the SMC while
the remaining stars are most likely members of the Milky Way's halo.
The sample has been divided into 2733 single mode and 77 multimode
pulsators. We provide observational parameters (pulsation periods,
mean magnitudes, amplitudes, Fourier coefficients) of all d Sct stars
and the long-term I- and V-band time-series photometric measurements
collected during the fourth phase of the Optical Gravitational Lensing
Experiment (OGLE-IV).
Description:
We presented the first-ever catalog of delta Sct stars found in the
entire area of the SMC. The number of known delta Sct variables in
this galaxy has increased from about 60 to over 2600.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
ident.dat 135 2810 Identification of stars
(10 Jan 2023 version)
dsct.dat 237 2810 Parameters of delta Scuti stars
remarks.dat 28 16 Remarks on selected objects
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See also:
J/AcA/71/189 : OGLE Galactic bulge and disk delta Scuti (Soszynski+, 2021)
ftp.astrouw.edu.pl/ogle/ogle4/OCVS/ : OGLE 4 Variable Home Page
Byte-by-byte Description of file: ident.dat
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Bytes Format Units Label Explanations
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1- 18 A18 --- Star Star's ID, OGLE-SMC-DSCT-NNNN
21- 30 A10 --- Type Type (singlemode, multimode)
33- 34 I2 h RAh Right ascension (J2000.0)
36- 37 I2 min RAm Right ascension (J2000.0)
39- 43 F5.2 s RAs Right ascension (J2000.0)
45 A1 --- DE- Declination sign (J2000)
46- 47 I2 deg DEd Declination (J2000)
49- 50 I2 arcmin DEm Declination (J2000)
52- 55 F4.1 arcsec DEs Declination (J2000)
58- 73 A16 --- OGLE-IV OGLE-IV ID
75- 89 A15 --- OGLE-III OGLE-III ID
91-106 A16 --- OGLE-II OGLE-II ID
108-135 A28 --- OName Other designation
(GCVS, OGLE-I, MACHO, ASAS-SN)
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Byte-by-byte Description of file: dsct.dat
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Bytes Format Units Label Explanations
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1- 18 A18 --- Star Star's ID, OGLE-SMC-DSCT-NNNN
21- 26 F6.3 mag <Imag> Intensity mean I-band magnitude
28- 33 F6.3 mag <Vmag> ?=- Intensity mean V-band magnitude
36- 45 F10.8 d P1 Primary period
47- 56 F10.8 d e_P1 Uncertainty of primary period
59- 68 F10.5 d T0.1 Time of maximum brightness (HJD-2450000)
71- 75 F5.3 mag Iamp.1 I-band amplitude (maximum-minimum)
78- 82 F5.3 --- R21.1 Fourier coefficient R_21
84- 88 F5.3 --- phi21.1 ?=-Fourier coefficient phi_21
91- 95 F5.3 --- R31.1 Fourier coefficient R_31
97-101 F5.3 --- phi31.1 ?=- Fourier coefficient phi_31
104-113 F10.8 d P2 ?=- Secondary period (if available)
115-124 F10.8 d e_P2 ?=- Uncertainty of secondary period
127-136 F10.5 d T0.2 ?=- Time of maximum brightness (HJD-2450000)
139-143 F5.3 mag Iamp.2 ?=- I-band amplitude (maximum-minimum)
146-150 F5.3 --- R21.2 ?=- Fourier coefficient R21
152-156 F5.3 --- phi21.2 ?=- Fourier coefficient phi21
159-163 F5.3 --- R31.2 ?=- Fourier coefficient R31
165-169 F5.3 --- phi31.2 ?=- Fourier coefficient phi31
172-181 F10.8 d P3 ?=- Tertiary period (if available)
183-192 F10.8 d e_P3 ?=- Uncertainty of tertiary period
195-204 F10.5 d T0.3 ?=- Time of maximum brightness (HJD-2450000)
207-211 F5.3 mag Iamp.3 ?=- I-band amplitude (maximum-minimum)
214-218 F5.3 --- R21.3 ?=- Fourier coefficient R21
220-224 F5.3 --- phi21.3 ?=- Fourier coefficient phi21
227-231 F5.3 --- R31.3 ?=- Fourier coefficient R31
233-237 F5.3 --- phi31.3 ?=- Fourier coefficient phi31
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Byte-by-byte Description of file: remarks.dat
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Bytes Format Units Label Explanations
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1- 18 A18 --- Star Star's ID, OGLE-SMC-DSCT-NNNN
20- 28 A9 --- Rem Remark
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History:
Copied at https://www.astrouw.edu.pl/ogle/ogle4/OCVS/smc/dsct/
(End) Patricia Vannier [CDS] 25-May-2023