- ID:
- ivo://CDS.VizieR/J/ApJS/126/331
- Title:
- Spectrophotometry of nearby field galaxies
- Short Name:
- J/ApJS/126/331
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We have obtained integrated and nuclear spectra as well as U, B, R surface photometry for a representative sample of 196 nearby galaxies. These galaxies span the entire Hubble sequence in morphological type, as well as a wide range of luminosities (M_B_=-14 to -22). Here we present the spectrophotometry for these galaxies. The selection of the sample and the U, B, R surface photometry is described in a companion paper (J/ApJS/126/271).
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- ID:
- ivo://CDS.VizieR/J/ApJS/164/81
- Title:
- Spectrophotometry of nearby galaxies
- Short Name:
- J/ApJS/164/81
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present integrated optical spectrophotometry for a sample of 417 nearby galaxies. Our observations consist of spatially integrated, S/N=10-100 spectroscopy between 3600 and 6900{AA} at ~8{AA} FWHM resolution. In addition, we present nuclear (2.5"x2.5") spectroscopy for 153 of these objects. Our sample targets a diverse range of galaxy types, including starbursts, peculiar galaxies, interacting/merging systems, dusty, infrared-luminous galaxies, and a significant number of normal galaxies. We use population synthesis to model and subtract the stellar continuum underlying the nebular emission lines. This technique results in emission-line measurements reliably corrected for stellar absorption. Here we present the integrated and nuclear spectra, the nebular emission-line fluxes and equivalent widths, and a comprehensive compilation of ancillary data available in the literature for our sample.
- ID:
- ivo://CDS.VizieR/J/AZh/76/604
- Title:
- Spectrophotometry of S and carbon stars
- Short Name:
- J/AZh/76/604
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The absolute energy distributions in the visual spectra (3200-7600{AA}) of 13 N carbon stars and three S stars have been investigated. The spectral resolution of the data is 50 A and the relative rms error is 2-5%. The data supplement and extend the Almaty and other spectrophotometric catalogs that are lacking in these types of objects.
- ID:
- ivo://CDS.VizieR/J/A+A/392/1
- Title:
- Spectrophotometry of simulated Stellar Populations
- Short Name:
- J/A+A/392/1
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- A new set of evolutionary synthesis spectra are presented for Simple Stellar Populations (SSPs) covering ranges in metallicity from 0.02<=Z/Z_{sun}_<=2.5 and ages from 4*10^6^yr<=t<=16Gyr. They are based on the most recent isochrones from the Padova group that extend earlier models by the inclusion of the thermal pulsing AGB phase for stars in the mass range 2M_{sun}_<=m<=7M_{sun}_ in accordance with the fuel consumption theorem. We show that with respect to earlier models, inclusion of the TP-AGB phase leads to significant changes in the (V-I) and (V-K) colors of SSPs in the age range from 10^8^ to >~10^9^yr. Using model atmosphere spectra from Lejeune et al. (1997, Cat. <J/A+AS/125/229>, 1998, Cat. <J/A+AS/130/65>), we calculate the spectral evolution of single burst populations of various metallicities covering the wavelength range from 90{AA} through 160{mu}m. Isochrone spectra are convolved with filter response functions to describe the time evolution of luminosities and colors in Johnson, Thuan & Gunn, Koo, HST, Washington and Stroemgren filters. The models and their results are not only intended for use in the interpretation of star clusters but also for combination with any kind of dynamical galaxy formation and/or evolution model that contains a star formation criterion. Moreover, the evolution of these single burst single metallicity stellar populations is readily folded with any kind of star formation -- and eventually chemical enrichment -- history to describe the evolutionary spectral synthesis of composite stellar populations like galaxies of any type with continuous or discontinuous star formation. For these latter purposes we also present the time evolution of ejection rates for gas and metals for two different Initial Mass Functions (IMFs) as well as cosmological and evolutionary corrections for all the filters as a function of redshift for 0<=z<=5 and two different cosmologies.
- ID:
- ivo://CDS.VizieR/J/A+A/327/191
- Title:
- Spectrophotometry of southern symbiotic stars
- Short Name:
- J/A+A/327/191
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We have analyzed the optical spectra of 67 symbiotic stars and objects suspected of being symbiotic, and found 18 new symbiotic systems. This is the largest homogeneous set of optical spectrophotometric data for symbiotic binaries ever studied. We have derived the reddenings and distances for all systems, estimated the IR classes (S and D) for the new systems, and determined the location of the hot components in the Hertzsprung-Russell diagram.
- ID:
- ivo://CDS.VizieR/III/124
- Title:
- Spectrophotometry of 60 stars
- Short Name:
- III/124
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- Spectral energy distributions were photoelectrically measured from 320 to 860 nm with a resolution of 1 nm in equidistant steps of 1 nm for 60 bright southern and equatorial stars of intermediate and late spectral types for all luminosity classes. Flux curves for individual stars are plotted with a resolution of 1 nm and tabulated in steps of 5 nm. Typical internal mean errors of fluxes measured in different nights are less than 0.02mag in the spectral range from 400 nm to 860 nm, and rise to a maximum of about 0.05mag for wavelengths below 400 nm.
- ID:
- ivo://CDS.VizieR/III/126
- Title:
- Spectrophotometry of 1588 stars
- Short Name:
- III/126
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- The present catalogue contains 2238 energy distribution data for 1588 objects in the spectral region 320-817nm by steps of 2.5nm. It is based on the following spectrophotometric catalogues: Kharitonov et al. (1), Alekseev et al. (the "Chilean Catalogue") (2), Willstrop (3), Glushneva et al. (the "Moscow Catalogue") (4,5,6), Burnashev's observations of stars obtained at the Crimean Astrophysical Observatory. Comparison of these catalogues and their reductions to the uniform spectrophotometric system has been carried out by Burnashev (7). The catalogue is divided in three parts: 1) Part 1 contains the data published in the catalogues by Kharitonov (1), Glushneva (4,5,6) and Willstrop(3). 2) Part 2 contains the data (and their r.m.s) of the "Chilean Catalogue" (Alekseev et al.(2)) and Burnashev's observations of some stars, obtained at the Crimean Astrophysical Observatory during 1974-1982. The observations of some variables, obtained in Chile, Are also presented. This part contains also tables of the Hydrogen continuum radiation for several temperatures (5000; 10000;15000;20000;40000;80000 K) according to Boyarchuk et al.(9), which may be useful for the analysis of the spectra of some variables. 3) Part 3 contains data of Parts 1 and 2 reduced to the uniform spectrophotometric system of the "Chilean Catalogue" in the range 320-735nm. The absolute calibration based on energy distribution of the primary standard Alpha Lyrae, according to Kharitonov (10), being the mean of the absolute calibrations of Kharitonov et al.(11), Hayes and Latham (12), Tug et al.(13).
- ID:
- ivo://CDS.VizieR/J/AN/320/105
- Title:
- Spectrophotometry of 26 supergiants in the LMC
- Short Name:
- J/AN/320/105
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- New spectrophotometric data for 3 galactic and 23 LMC F to G supergiants are presented. The wavelength range of the spectra is 3400 to 6400{AA}, the resolution about 10{AA}. The mean transformational error of the fluxes is 0.03mag. The S/N ratio is about 100 and 30 for galactic and LMC stars, respectively. Details about the reduction one may found in Oestreicher & Schmidt-Kaler (1998MNRAS.299..625O) and Malyuto et al. (1997MNRAS.286..500M). The fluxes are given in magnitudes according to the system of Hayes & Latham (1975ApJ...197..593H). For each star an ASCII file is given with the name of the first identifier. In the first column the wavelength, in the second column the flux is given.
- ID:
- ivo://CDS.VizieR/J/MNRAS/362/301
- Title:
- Spectrophotometry of the HII region S311
- Short Name:
- J/MNRAS/362/301
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We present echelle spectrophotometry of the Galactic H II region S311. The data have been taken with the Very Large Telescope Ultraviolet-Visual Echelle Spectrograph in the 3100-10400{AA} range. We have measured the intensities of 263 emission lines; 178 are permitted lines of H^0^, D^0^ (deuterium), He^0^, C^0^, C^+^, N^0^, N^+^, O^0^, O^+^, S^+^, Si^0^, Si^+^, Ar^0^ and Fe^0^; some of them are produced by recombination and others mainly by fluorescence.
- ID:
- ivo://CDS.VizieR/J/ApJ/691/1145
- Title:
- Spectrophotometry of TrES-3 and TrES-4
- Short Name:
- J/ApJ/691/1145
- Date:
- 21 Oct 2021
- Publisher:
- CDS
- Description:
- We report new spectroscopic and photometric observations of the parent stars of the recently discovered transiting planets TrES-3 and TrES-4. A detailed abundance analysis based on high-resolution spectra yields [Fe/H]=-0.19+/-0.08, Teff=5650+/-75K, and logg=4.4+/-0.1 for TrES-3, and [Fe/H]=+0.14+/-0.09, Teff=6200+/-75K, and logg=4.0+/-0.1 for TrES-4. The accuracy of the effective temperatures is supported by a number of independent consistency checks. The spectroscopic orbital solution for TrES-3 is improved with our new radial velocity measurements of that system, as are the light-curve parameters for both systems based on newly acquired photometry for TrES-3 and a reanalysis of existing photometry for TrES-4. With these revised stellar parameters, we obtain improved values for the planetary masses and radii. We find M_p_=1.910^+0.075^_-0.080_M_Jup_, R_p_=1.336^+0.031^_-0.036_R_Jup_ for TrES-3, and M_p_=0.925+/-0.082M_Jup_, R_p_=1.783^+0.093^_-0.086_R_Jup_ for TrES-4. We confirm TrES-4 as the planet with the largest radius among the currently known transiting hot Jupiters.