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14831. Stellar radial velocities bibliographic catalog
ID:
ivo://CDS.VizieR/III/204
Title:
Stellar radial velocities bibliographic catalog
Short Name:
III/204
Date:
21 Oct 2021
Publisher:
CDS
Description:
We present a bibliographic catalogue of stellar radial velocities with 13359 entries for stars in the Galaxy and the Magellanic Clouds, obtained from the issues of several journals published in the period 1991-1994. We have tried to follow the structure of previous compilations although we have relied on data retrieved from the SIMBAD database.
14832. Stellar Radial Velocities 0-20 hrs
ID:
ivo://CDS.VizieR/III/47B
Title:
Stellar Radial Velocities 0-20 hrs
Short Name:
III/47B
Date:
21 Oct 2021
Publisher:
CDS
Description:
The Interim Supplement to the General Catalogue of Stellar Radial Velocities (Evans 1979, ISGCRV) contains radial velocities for stars with right ascensions from O through 20 hours. The ISGCRV is intended as a continuation of the General Catalogue of Stellar Radial Velocities (Wilson 1953, GCRV). The ISGCRV resulted from a literature search and data reduction by D. S. Evans covering approximately the years 1951-1977. It contains adopted velocities on the Mount Wilson system. Unfortunately, the individual mea- surements and the literature references could not be included in this version. Both for this reason, and because the ISGCRV covers only O through 20 hours of right ascension (equinox 1900), the ISGCRV should be used with the Bibliography of Stellar Radial Velocities (Abt and Biggs 1972), or the Bibliographical Star Index Retrieval System (Hill et al. 1984).
14833. Stellar radial velocities in NGC 188
ID:
ivo://CDS.VizieR/J/AJ/135/2264
Title:
Stellar radial velocities in NGC 188
Short Name:
J/AJ/135/2264
Date:
21 Oct 2021
Publisher:
CDS
Description:
We present the results of our ongoing radial-velocity (RV) survey of the old (7Gyr) open cluster NGC 188. Our WIYN 3.5m data set spans a time baseline of 11 years, a magnitude range of 12<=V<=16.5 (1.18-0.94M_{sun}_), and a 1{deg} diameter region on the sky. With the addition of a Domain Astrophysical Observatory data set we extend our bright limit to V=10.8 and, for some stars, extend our time baseline to 35 years. Our magnitude limits include solar-mass main-sequence stars, subgiants, giants, and blue stragglers (BSs), and our spatial coverage extends radially to 17pc (~13 core radii). For the WIYN data we present a detailed description of our data reduction process and a thorough analysis of our measurement precision of 0.4km/s for narrow-lined stars. We have measured radial velocities for 1046 stars in the direction of NGC 188, and have calculated RV membership probabilities for stars with >=3 measurements, finding 473 to be likely cluster members.
14834. Stellar Rotational Velocities
ID:
ivo://CDS.VizieR/III/30A
Title:
Stellar Rotational Velocities
Short Name:
III/30A
Date:
21 Oct 2021
Publisher:
CDS
Description:
The catalog contains 1005 main-sequence single stars; 360 spectroscopic and eclipsing binaries; 189 Be and shell stars; 243 peculiar B- and A-type stars, and 1277 supergiants, giants, and subgiants, for which v sin i has been determined from 1949 to 1970. Rotational data are essentially in the Slettebak-Kraft system. The catalog provides visual magnitudes, color indices, galactic coordinates, spectral classifications, absolute visual magnitudes, adopted rotational velocities, descriptive information, binary types, luminosity classes, orbital periods, right ascension and declination (B1900.0), and cross identifications to the numbering systems of The Henry Draper Catalogue (HD), the Durchmusterung catalogs, and Aitken Double Stars Catalogue (ADS).
14835. Stellar rotation for 71 NGC 6811 members
ID:
ivo://CDS.VizieR/J/ApJ/733/L9
Title:
Stellar rotation for 71 NGC 6811 members
Short Name:
J/ApJ/733/L9
Date:
21 Oct 2021
Publisher:
CDS
Description:
We present rotation periods for 71 single dwarf members of the open cluster NGC 6811 determined using photometry from NASA's Kepler mission. The results are the first from The Kepler Cluster Study, which combines Kepler's photometry with ground-based spectroscopy for cluster membership and binarity. The rotation periods delineate a tight sequence in the NGC 6811 color-period diagram from ~1 day at mid-F to ~11 days at early-K spectral type. This result extends to 1Gyr similar prior results in the ~600Myr Hyades and Praesepe clusters, suggesting that rotation periods for cool dwarf stars delineate a well-defined surface in the three-dimensional space of color (mass), rotation, and age. It implies that reliable ages can be derived for field dwarf stars with measured colors and rotation periods, and it promises to enable further understanding of various aspects of stellar rotation and activity for cool stars.
14836. Stellar rotation in h Per
ID:
ivo://CDS.VizieR/J/A+A/560/A13
Title:
Stellar rotation in h Per
Short Name:
J/A+A/560/A13
Date:
21 Oct 2021
Publisher:
CDS
Description:
We aim at constraining the angular momentum evolution of low mass stars by measuring their rotation rates when they begin to evolve freely towards the ZAMS, i.e. after the disk accretion phase has stopped. We conducted a multi-site photometric monitoring of the young open cluster h Persei that has an age of ~13Myr. The observations were done in the I-band using 4 different telescopes and the variability study is sensitive to periods from less than 0.2 day to 20-days. Rotation periods are derived for 586 candidate cluster members over the mass range 0.4<=M/M_{sun}_<=1.4. The rotation period distribution indicates a slightly higher fraction of fast rotators for the lower mass objects, although the lower and upper envelopes of the rotation period distribution, located respectively at ~0.2-0.3d and ~10d, are remarkably flat over the whole mass range. We combine this period distribution with previous results obtained in younger and older clusters to model the angular momentum evolution of low mass stars during the PMS. The h Per cluster provides the first statistically robust estimate of the rotational period distribution of solar-type and lower mass stars at the end of the PMS accretion phase (>=10Myr). The results are consistent with models that assume significant core-envelope decoupling during the angular momentum evolution to the ZAMS.
14837. Stellar rotation in Hyades and Praesepe
ID:
ivo://CDS.VizieR/J/MNRAS/413/2218
Title:
Stellar rotation in Hyades and Praesepe
Short Name:
J/MNRAS/413/2218
Date:
21 Oct 2021
Publisher:
CDS
Description:
We present the results of photometric surveys for stellar rotation in the Hyades and in Praesepe, using data obtained as part of the SuperWASP exoplanetary transit-search programme. We determined accurate rotation periods for more than 120 sources whose cluster membership was confirmed by common proper motion and colour-magnitude fits to the clusters' isochrones. This allowed us to determine the effect of magnetic braking on a wide range of spectral types for expected ages of ~600Myr for the Hyades and Praesepe. Both clusters show a tight and nearly linear relation between J-Ks colour and rotation period in the F, G and K spectral range. This confirms that loss of angular momentum was significant enough that stars with strongly different initial rotation rates have converged to the same rotation period for a given mass, by the ages of Hyades and Praesepe.
14838. Stellar rotation in M35
ID:
ivo://CDS.VizieR/J/ApJ/695/679
Title:
Stellar rotation in M35
Short Name:
J/ApJ/695/679
Date:
21 Oct 2021
Publisher:
CDS
Description:
We present the results of a five month photometric time-series survey for stellar rotation over a 40'x40' field centered on the 150Myr open cluster M35 (=NGC 2168). We report rotation periods for 441 stars within this field and determine their cluster membership and binarity based on a decade-long radial velocity survey, proper-motion measurements, and multiband photometric observations. We find that 310 of the stars with measured rotation periods are late-type members of M35. The distribution of rotation periods for cluster members span more than 2 orders of magnitude from ~0.1 to 15 days, not constrained by the sampling frequency and the timespan of the survey. With an age between the zero-age main sequence and the Hyades, and with ~6 times more rotation periods than measured in the Pleiades, M35 permit detailed studies of early rotational evolution of late-type stars. Nearly 80% of the 310 rotators lie on two distinct sequences in the color-period plane, and define clear relations between stellar rotation period and color (mass). The M35 color-period diagram enables us to determine timescales for the transition between the two rotational states, of ~60Myr and ~140Myr for G and K dwarfs, respectively.
14839. Stellar Rotation in SB0 galaxies
ID:
ivo://CDS.VizieR/J/A+AS/124/61
Title:
Stellar Rotation in SB0 galaxies
Short Name:
J/A+AS/124/61
Date:
21 Oct 2021
Publisher:
CDS
Description:
We present stellar velocity- and velocity dispersion- data for 13 SB0 galaxies and one SBa, based on 61 spectra collected during a long-term project developed at ESO. Our primary goal is to provide a database widest as possible for the study of the stellar velocity and velocity dispersion fields and for future modeling. New data are presented for six galaxies, while for the remaining SB0s particular kinematical aspects were already discussed in previous papers. We found the following results: a) emission lines were detected in our spectra only for 4 out of 14 galaxies considered. When present, they reveal a very peculiar kinematics, including counter-rotation, warps or radial flows. b) A new case of gas counter-rotation has been found: NGC 7079. c) The velocity dispersion along the bar has a smoother trend than in the rest of the galaxy. However there is, in general, a similarity between the velocity dispersion trend (decreasing or flat) measured along the bar and that outside it. d) The existence of a waving pattern in the stellar rotation curves of bars is confirmed for the galaxies of our sample seen inclined between 30 and 50{deg}. In addition to this effect, the percentage of non-circular stellar motions present in the barred galaxies studied may reach the 20%.
14840. Stellar Rotation in the Orion Nebula Cluster
ID:
ivo://CDS.VizieR/J/A+A/396/513
Title:
Stellar Rotation in the Orion Nebula Cluster
Short Name:
J/A+A/396/513
Date:
21 Oct 2021
Publisher:
CDS
Description:
Table 1 lists the 1562 stars in the Orion Nebula Cluster brighter than I=20mag on which we did photometry. It contains information on the position, brightness and variability of these stars, as well as their closest companions. Table 2 lists the stars detected as periodic in this study and gives their brightness, period and a comparison with results of previous studies. Table 3 is a summary of observational data for all stars in the Orion Nebula Cluster with rotation periods reported here or in earlier studies.

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