Search

Start Over Content Level Research Facility IUE
11. IUE spectra of lambda Boo stars
ID:
ivo://CDS.VizieR/J/A+A/331/633
Title:
IUE spectra of lambda Boo stars
Short Name:
J/A+A/331/633
Date:
21 Oct 2021
Publisher:
CDS
Description:
An analysis of the stars included in the catalogue of {lambda} Bootis stars by Paunzen et al. (1997, Cat. <J/A+AS/123/93>) and which also have IUE observations is presented here. Population I A-F type stars as well as field horizontal branch stars were also included in the analysis. Using line-ratios of carbon to heavier elements (Al and Ni) allows us to establish unambiguous membership criteria for the {lambda} Bootis group.
12. IUE spectra of WR stars
ID:
ivo://CDS.VizieR/J/A+AS/108/669
Title:
IUE spectra of WR stars
Short Name:
J/A+AS/108/669
Date:
21 Oct 2021
Publisher:
CDS
Description:
(no description available)
13. IUE survey of H I Ly{alpha} absorption. I.
ID:
ivo://CDS.VizieR/J/ApJS/93/211
Title:
IUE survey of H I Ly{alpha} absorption. I.
Short Name:
J/ApJS/93/211
Date:
21 Oct 2021
Publisher:
CDS
Description:
We measure Galactic interstellar neutral hydrogen column densities by analyzing archival interstellar Ly{alpha} absorption line data toward 554 B2 and hotter stars observed at high resolution with the IUE satellite. This study more than doubles the number of lines of sight with measures of N(H I) based on Ly{alpha}. We have included the scattered light background correction algorithm of Bianchi and Bohlin (1984A&A...134...31B) in our data reduction. We use the correlation between the Balmer discontinuity [c_1_] index and the stellar Ly{alpha} absorption in order to assess the effects of stellar Ly alpha contamination. Approximately 40% of the B stars with measured [c_1_] index, exhibit serious stellar Ly{alpha} contamination. Table 1 contains the derived values of the interstellar N(H I) for 393 stars with at most small amounts of stellar contamination. Table 2 lists the observed values of total N(H I) for 161 stars with suspected stellar Ly alpha contamination and/or uncertain stellar parameters.
14. MAST ConeSearch
ID:
ivo://archive.stsci.edu/catalogs/mastcs
Title:
MAST ConeSearch
Short Name:
MAST CS
Date:
23 Jul 2020 19:55:10
Publisher:
Space Telescope Science Institute Archive
Description:
All MAST catalog holdings are available via a ConeSearch endpoint. This service provides access to all, with an optional non-standard parameter for an individual catalog to query. The available missions are listed at http://archive.stsci.edu/vo/mast_services.html, and include Hubble (HST) data, Kepler, K2, IUE, HUT, EUVE, FUSE, UIT, WUPPE, BEFS, TUES, IMAPS, High Level Science Products (HLSP), Copernicus, HPOL, VLA First, XMM-OM, and SWIFT.
15. OB stars observed with high dispersion by IUE
ID:
ivo://CDS.VizieR/J/A+AS/105/305
Title:
OB stars observed with high dispersion by IUE
Short Name:
J/A+AS/105/305
Date:
21 Oct 2021
Publisher:
CDS
Description:
An atlas on microfiche is described containing nearly 7000 high-dispersion spectra of OB stars obtained during the first 10 years with the IUE satellite. The data set is nearly complete for the selected time interval. The plotted wavelength range is from 1160 to 1890 A at the original IUE sampling intervals. The atlas is available by request.
16. RR Tel UV emission
ID:
ivo://CDS.VizieR/J/A+AS/124/425
Title:
RR Tel UV emission
Short Name:
J/A+AS/124/425
Date:
21 Oct 2021
Publisher:
CDS
Description:
(no description available)
17. TY Pyx IUE FES observations
ID:
ivo://CDS.VizieR/J/A+A/310/173
Title:
TY Pyx IUE FES observations
Short Name:
J/A+A/310/173
Date:
21 Oct 2021
Publisher:
CDS
Description:
This is a 3-part table presenting a log of the IUE Fine-Error Sensor Observations of TY Pyxidis in November 1990. In order to determine accurate magnitudes from FES measurements, a focus and a reference-point offset corrections must be applied. The data presented in the paper (Figure 1) have these corrections applied and are averages of two or more measures taken close in time.
18. UV and optical line variations in {epsilon} Persei
ID:
ivo://CDS.VizieR/J/ApJ/525/420
Title:
UV and optical line variations in {epsilon} Persei
Short Name:
J/ApJ/525/420
Date:
21 Oct 2021
Publisher:
CDS
Description:
The rapid variable star, {epsilon} Per (B0.5 IV-III), displays the largest amplitude profile fluctuations known among the growing number of massive, spectrum-variable stars. Here we present an analysis of a continuous 5 day run of IUE UV spectroscopy, and we show for the first time that the systematic, blue-to-red moving patterns observed in high-quality optical spectra are also present in the UV photospheric lines. We present cross-correlation functions of the individual spectra with that of a narrow-lined standard that produce a high signal-to-noise ratio representation of the blue-to-red moving bump patterns found in individual lines. We then use time series analysis methods to determine the periodic components of the profile variations (after reregistering the spectra to correct for binary motion). There are at least six periods present (ranging from 8.46 to 2.27 hr), and most of these signals are also found in optical line variations observed in 1986 (although the relative amplitudes have changed significantly). Furthermore, analysis of a shorter time series of IUE spectra from 1984 shows that similar periods were present then. We also present H{alpha} and He I 6678 profiles obtained with the Georgia State University Multi-Telescope Telescope, which were made simultaneously with IUE, and we show that the profile variations are essentially identical in the UV and optical ranges.