J/AJ/152/207 Spectroscopic Indicators in SeisMic Archive (SISMA) (Rainer+, 2016)
The SpaceInn-SISMA database: characterization of a large sample of variable and
active stars by means of HARPS spectra.
Rainer M., Poretti E., Misto A., Panzera M.R., Molinaro M., Cepparo F.,
Roth M., Michel E., Monteiro M.J.P.F.G.
<Astron. J., 152, 207-207 (2016)>
=2016AJ....152..207R 2016AJ....152..207R (SIMBAD/NED BibCode)
ADC_Keywords: Stars, variable ; Binaries, spectroscopic ; Spectroscopy ;
Effective temperatures ; Abundances, [Fe/H]
Keywords: asteroseismology - astronomical databases: miscellaneous -
line: profiles - stars: fundamental parameters -
stars: variables: general
Abstract:
We created a large database of physical parameters and variability
indicators by fully reducing and analyzing the large number of spectra
taken to complement the asteroseismic observations of the COnvection,
ROtation and planetary Transits (CoRoT) satellite. 7103 spectra of 261
stars obtained with the ESO echelle spectrograph HARPS have been
stored in the VO-compliant database Spectroscopic Indicators in a
SeisMic Archive (SISMA), along with the CoRoT photometric data of the
72 CoRoT asteroseismic targets. The remaining stars belong to the same
variable classes of the CoRoT targets and were observed to better
characterize the properties of such classes. Several useful
variability indicators (mean line profiles, indices of differential
rotation, activity and emission lines) together with vsini and
radial-velocity measurements have been extracted from the spectra. The
atmospheric parameters Teff,logg, and [Fe/H] have been computed
following a homogeneous procedure. As a result, we fully characterize
a sample of new and known variable stars by computing several
spectroscopic indicators, also providing some cases of simultaneous
photometry and spectroscopy.
Description:
We created a large database of physical parameters and variability
indicators by fully reducing and analyzing the large number of spectra
taken to complement the asteroseismic observations of the COnvection,
ROtation and planetary Transits (CoRoT) satellite. CoRoT was launched
on 2006 December 27 and it was retired on 2013 June 24. 7103 spectra
of 261 stars obtained with the ESO echelle spectrograph High Accuracy
Radial velocity Planet Searcher (HARPS) have been stored in the
VO-compliant database Spectroscopic Indicators in a SeisMic Archive
(SISMA; http://sisma.brera.inaf.it/), along with the CoRoT photometric
data of the 72 CoRoT asteroseismic targets. The ground-based
activities started with the Large Programme 178.D-0361 using the FEROS
spectrograph at the 2.2m telescope of the ESO-La Silla Observatory,
and continued with the Large Programmes LP182.D-0356 and LP185.D-0056
using the HARPS instrument at the 3.6m ESO telescope.
In the framework of the awarded two HARPS Large Programmes, 15 nights
were allocated each semester over nine semesters, from 2008 December
to 2013 January, for a total of 135 nights. The HARPS spectrograph
covers the spectral range from 3780 to 6910Å, distributed over
echelle orders 89-161. We usually used it in the high-efficiency mode
EGGS, with resolving power R=80000 to obtain high signal-to-noise
ratio (S/N) spectroscopic time series.
All of the data (reduced spectra, indicators, and photometric series)
are stored as either FITS or PDF files in the SISMA archive and can be
accessed at http://sisma.brera.inaf.it/. The data can also be accessed
through the Seismic Plus portal
(http://voparis-spaceinn.obspm.fr/seismic-plus/), developed in the
framework of the SpaceInn project in order to gather and help
coordinated access to several different solar and stellar seismic data
sources.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 63 261 Spectroscopic information on the observed targets
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See also:
B/vsx : AAVSO International Variable Star Index VSX (Watson+, 2006-2014)
B/gcvs : General Catalogue of Variable Stars (Samus+ 2007-2013)
http://sisma.brera.inaf.it/ : SISMA archive
http://voparis-spaceinn.obspm.fr/seismic-plus/ : Seismic Plus portal
Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 14 A14 --- Name Target name
16- 19 I4 --- Nsp [1/1160] Number of spectra
21- 25 I5 K Teff [3428/27875]? Effective temperature
27- 30 F4.2 cm/s2 logg [0.67/5.34]? Surface gravity
32- 36 F5.2 [Sun] [Fe/H] [-2.58/1.52]? Metallicity
38- 40 A3 --- SB Spectroscopic Binary (SB1, SB2, or no)
42- 51 A10 --- Type Variable type (1)
53- 55 A3 --- Ha Hα emission (yes or no)
57- 59 I3 --- S/N0 [9/451]? Lower value of signal-to-noise ratio range
60 A1 --- --- [-]
61- 63 I3 --- S/N1 [64/594]? Upper value of signal-to-noise ratio
range
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Note (1): Type of variables in SISMA is defined as follows:
BAF = late B-A-F star;
Be = Emission line B star;
HgMn = Chemically peculiar HgMn star;
OB = O-early-B star;
RRLyr = RR Lyrae;
SDor = S Doradus;
SPB = Slowly pulsating B-type star;
SPB-bCep = Slowly pulsating B-type star-β Cephei hybrid;
TTau = T Tauri star;
a2CVn = α2 Canum Venaticorum;
aCyg = α Cygni;
bCep = β Cephei;
dSct = δ Scuti;
dSct-gDor = δ Scuti-γ Doradus hybrid;
gDor = γ Doradus;
red-giant = Red giant;
solar-like = Solar-like star.
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History:
From electronic version of the journal
(End) Prepared by [AAS]; Sylvain Guehenneux [CDS] 09-Feb-2017