J/MNRAS/385/1749 UNSW catalog of Variable Stars (Christiansen+, 2008)
The University of New South Wales Extrasolar Planet Search:
a catalogue of variable stars from fields observed between 2004 and 2007.
Christiansen J.L., Derekas A., Kiss L.L., Ashley M.C.B., Curran S.J.,
Hamacher D.W., Hidas M.G., Thompson M.R., Webb J.K., Young T.B.
<Mon. Not. R. Astron. Soc., 385, 1749-1763 (2008)>
=2008MNRAS.385.1749C 2008MNRAS.385.1749C (SIMBAD/NED BibCode)
ADC_Keywords: Stars, variable ; Binaries, eclipsing ; Photometry, infrared
Keywords: stars: AGB and post-AGB - binaries: eclipsing - stars: oscillations -
stars: pre-main-sequence - delta Scuti
Abstract:
We present a new catalogue of variable stars compiled from the data
taken for the University of New South Wales Extrasolar Planet Search.
From 2004 October to 2007 May, 25 target fields were each observed for
one to four months, resulting in ∼87000 high-precision light curves
with 16004400 data points. We have extracted a total of 850 variable
light curves, 659 of which do not have a counterpart in the General
Catalogue of Variable Stars, the New Suspected Variables catalogue or
the All Sky Automated Survey southern variable star catalogue. The
catalogue is detailed here, and includes 142 Algol-type eclipsing
binaries, 23 beta Lyrae-type eclipsing binaries, 218 contact eclipsing
binaries, 53 RR Lyrae stars, 26 Cepheid stars, 13 rotationally
variable active stars, 153 uncategorized pulsating stars with
periods <10d, including delta Scuti stars, and 222 long period
variables with variability on time-scales of >10d.
Description:
The data were obtained using the dedicated 0.5-m Automated Patrol
Telescope (APT) at Siding Spring Observatory, Australia. Observations
were obtained for 32 months from 2004 October to 2007 May on 25 target
fields.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 50 25 Details of the target fields observed with the
Automated Patrol Telescope
table2.dat 147 850 UNSW catalog
vartype.txt 84 957 Description of variability types (from GCVS)
table3.dat 49 35 Eclipsing binary systems potentially composed of
low-mass components
table4.dat 50 10 Candidate PMS detached binaries
table5.dat 57 11 RR Lyrae stars with detected Blazhko effect and
double-mode pulsation
tablea1.dat 104 191 *UNSW variable stars coincident with
GCVS and ASAS sources
tablea2.dat 101 22 UNSW variable stars coincident with
ROSAT X-ray sources
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Note on tablea1.dat : The positions of the stars in this catalogue were
correlated with the General Catalogue of Variable Stars (GCVS, Cat.
II/250) and All Sky Automated Survey (ASAS, Cat. II/264) variable star
catalogues, using the Vizier online database (Ochsenbein et al.,
2000A&AS..143...23O 2000A&AS..143...23O). The photometry aperture used in our data
reduction pipeline has a radius of 28.2 arcsec, and so a simple cone
search with a radius of 30 arcsec was performed. 191 of the 850 stars
presented in this catalogue are positionally coincident with
previously published variable stars.
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See also:
II/250 : Combined General Catalogue of Variable Stars (Samus+ 2004)
II/264 : ASAS Variable Stars in Southern hemisphere (Pojmanski+, 2002-2005)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 7 A7 --- Field Field name
9- 10 I2 h RAh Field center right ascension (J2000)
12- 13 I2 min RAm Field center right ascension (J2000)
15- 16 I2 s RAs Field center right ascension (J2000)
18 A1 --- DE- Field center declination sign (J2000)
19- 20 I2 deg DEd Field center declination (J2000)
22- 23 I2 arcmin DEm Field center declination (J2000)
25- 26 I2 arcsec DEs Field center declination (J2000)
28- 32 F5.1 deg GLAT Galactic latitude of the centre of the field
34- 37 I4 --- NObs Total observations obtained
39- 42 I4 --- NStars Number of stars in each field brighter
than I=14th magnitude
44- 47 F4.1 h-1 IRate Number of images obtained per hour
48 A1 --- --- [-]
49- 50 I2 h-1 IRate2 ? Second number of images obtained per hour
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- --- [UNSW-V]
7- 10 I4 --- UNSW Star name (UNSW-V NNN in Simbad)
12- 13 I2 h RAh Right ascension (J2000)
15- 16 I2 min RAm Right ascension (J2000)
18- 21 F4.1 s RAs Right ascension (J2000)
23 A1 --- DE- Declination sign (J2000)
24- 25 I2 deg DEd Declination (J2000)
27- 28 I2 arcmin DEm Declination (J2000)
30- 33 F4.1 arcsec DEs Declination (J2000)
35- 42 F8.4 deg GLON Galactic longitude
44- 51 F8.4 deg GLAT Galactic latitude
53- 58 F6.3 mag Jmag ?=99.990 2MASS J magnitude
60- 65 F6.3 mag Hmag ?=99.990 2MASS H magnitude
67- 72 F6.3 mag Kmag ?=99.990 2MASS K magnitude
74- 78 F5.2 mag Imag Mean I magnitude
80- 84 F5.3 mag Iamp I-band amplitude
86- 94 F9.5 d Per ?=- Period
95 A1 --- n_Per [*] For UNSW-V 350, the original value of
99.999 was changed into "-"
96-104 F9.4 d Epoch ?=- Epoch of minimum light (HJD-2450000.0)
106-133 A28 --- AName Alternate ID(s)
134-148 A15 --- Type Classification in this catalogue
(see file "vartype.txt")
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Byte-by-byte Description of file: table[345].dat
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Bytes Format Units Label Explanations
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1 A1 --- Type [CD] (C)ontact or (D)etached eclipsing binary
(for stars in table3)
2 A1 --- Mode [BD] (B)lazhko effect or (D)ouble mode
(for stars in table5)
4- 9 A6 --- --- [UNSW-V]
10- 13 I4 --- UNSW Star name, as in table2
15- 16 I2 h RAh Right ascension (J2000.0)
18- 19 I2 min RAm Right ascension (J2000.0)
21- 24 F4.1 s RAs Right ascension (J2000.0)
26 A1 --- DE- Declination sign (J2000.0)
27- 28 I2 deg DEd Declination (J2000.0)
30- 31 I2 arcmin DEm Declination (J2000.0)
33- 36 F4.1 arcsec DEs Declination (J2000.0)
38- 42 F5.2 mag Imag Mean I magnitude
44- 50 F7.5 d Per Period
52- 58 F7.5 d Per2 ? Second period for double mode
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Byte-by-byte Description of file: tablea?.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- --- [UNSW-V]
7- 10 I4 --- UNSW Star name, as in table2
12- 13 I2 h RAh Right ascension (J2000.0)
15- 16 I2 min RAm Right ascension (J2000.0)
18- 21 F4.1 s RAs Right ascension (J2000.0)
23 A1 --- DE- Declination sign (J2000.0)
24- 25 I2 deg DEd Declination (J2000.0)
27- 28 I2 arcmin DEm Declination (J2000.0)
30- 33 F4.1 arcsec DEs Declination (J2000.0)
35- 39 F5.2 mag Imag Mean I-band magnitude
41- 45 F5.3 mag Iamp Amplitude of variation in I band
48- 56 F9.5 d Per ? Period
58- 66 F9.4 d Epoch ? Epoch of minimum light (HJD-2450000.0)
68- 96 A29 --- AName Alternate ID (1)
98-104 A7 --- Type Classification
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Note (1): Identifier from either the GCVS, NSV or ASAS catalogues and our
classification, which was found to be in good agreement with the
published classification in more than 90 per cent of the cases with a
few exceptions, like V717 Ara (EB), which is listed as an RR Lyr in
the GCVS or V500 Ara (EW), also RR Lyr in the GCVS. However, these are
the classes with highly sinusoidal, i.e. indistinguishable light-curve
shapes, and it is therefore not surprising that single-filtered light
curves are not enough in doubtful cases.
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History:
* 10-Nov-2008: From electronic version of the journal
* 03-Feb-2009: In table3, Imag of objects 77, 219 and 659 were permuted in
the original files, and are now correct, as in table2.
(End) Patricia Vannier [CDS] 16-Sep-2008