Chemical gradients in the Milky Way from the RAVE data: II. Giant stars

Boeche, C.; Siebert, A.; Piffl, T.; Just, A.; Steinmetz, M.; Grebel, E. K.; Sharma, S.; Kordopatis, G.; Gilmore, G.; Chiappini, C.; Freeman, K.; Gibson, B. K.; Munari, U.; Siviero, A.; Bienaymé, O.; Navarro, J. F.; Parker, Q. A.; Reid, W.; Seabroke, G. M.; Watson, F. G.; Wyse, R. F. G.; Zwitter, T.

doi:10.1051/0004-6361/201423974

The imprint of satellite accretion on the chemical and dynamical properties of disc galaxies (2016)
Journal Article
Ruiz-Lara, T., Few, C. G., Gibson, B. K., Pérez, I., Florido, E., Minchev, I., & Sánchez-Blázquez, P. (2016). The imprint of satellite accretion on the chemical and dynamical properties of disc galaxies. Astronomy and Astrophysics, 586, A112. https://doi.org/10.1051/0004-6361/201526470

Aims. We study the effects of the cosmological assembly history on the chemical and dynamical properties of the discs of spiral galaxies as a function of radius. Methods. We made use of the simulated Milky Way mass, fully-cosmological discs from Rams... Read More about The imprint of satellite accretion on the chemical and dynamical properties of disc galaxies.

Weighing the galactic disc using the Jeans equation: lessons from simulations (2016)
Journal Article
Candlish, G. N., Smith, R., Moni Bidin, C., & Gibson, B. K. (2016). Weighing the galactic disc using the Jeans equation: lessons from simulations. Monthly notices of the Royal Astronomical Society, 456(4), 3456-3474. https://doi.org/10.1093/mnras/stv2792

Using three-dimensional stellar kinematic data from simulated galaxies, we examine the efficacy of a Jeans equation analysis in reconstructing the total disk surface density, including the dark matter, at the ‘Solar’ radius. Our simulation data set i... Read More about Weighing the galactic disc using the Jeans equation: lessons from simulations.

The history of stellar metallicity in a simulated disc galaxy (2016)
Journal Article
Snaith, O. N., Bailin, J., Gibson, B. K., Bell, E. F., Stinson, G., Valluri, M., …Couchman, H. (2016). The history of stellar metallicity in a simulated disc galaxy. Monthly notices of the Royal Astronomical Society, 456(3), 3119-3141. https://doi.org/10.1093/mnras/stv2788

We explore the chemical distribution of stars in a simulated galaxy. Using simulations of the same initial conditions but with two different feedback schemes (McMaster Unbiased Galaxy Simulations – MUGS – and Making Galaxies in a Cosmological Context... Read More about The history of stellar metallicity in a simulated disc galaxy.

The sensitivity of harassment to orbit: Mass loss from early-type dwarfs in galaxy clusters (2015)
Journal Article
Smith, R., Sánchez-Janssen, R., Beasley, M. A., Candlish, G. N., Gibson, B. K., Puzia, T. H., …Yi, S. K. (2015). The sensitivity of harassment to orbit: Mass loss from early-type dwarfs in galaxy clusters. Monthly notices of the Royal Astronomical Society, 454(3), 2502-2516. https://doi.org/10.1093/mnras/stv2082

We conduct a comprehensive numerical study of the orbital dependence of harassment on early-type dwarfs consisting of 168 different orbits within a realistic, Virgo-like cluster, varying in eccentricity and pericentre distance. We find harassment is... Read More about The sensitivity of harassment to orbit: Mass loss from early-type dwarfs in galaxy clusters.

Carbon-rich presolar grains from massive stars : subsolar ¹²C/¹³C and ¹⁴N/¹⁵N ratios and the mystery of ¹⁵N (2015)
Journal Article
Pignatari, M., Zinner, E., Hoppe, P., J. Jordan, C., K. Gibson, B., Trappitsch, R., …X. Timmes, F. (2015). Carbon-rich presolar grains from massive stars : subsolar ¹²C/¹³C and ¹⁴N/¹⁵N ratios and the mystery of ¹⁵N. Astrophysical journal. Letters, 808(2), L43. https://doi.org/10.1088/2041-8205/808/2/L43

Carbon-rich grains with isotopic anomalies compared to the Sun are found in primitive meteorites. They were made by stars, and carry the original stellar nucleosynthesis signature. Silicon carbide grains of Type X and C and low-density (LD) graphites... Read More about Carbon-rich presolar grains from massive stars : subsolar ¹²C/¹³C and ¹⁴N/¹⁵N ratios and the mystery of ¹⁵N.

Galactic chemical evolution: Stellar yields and the initial mass function (2015)
Journal Article
Mollá, M., Cavichia, O., Gavilán, M., & Gibson, B. K. (2015). Galactic chemical evolution: Stellar yields and the initial mass function. Monthly notices of the Royal Astronomical Society, 451(4), 3693-3708. https://doi.org/10.1093/mnras/stv1102

We present a set of 144 Galactic chemical evolution models applied to a Milky Way analogue, computed using four sets of low+intermediate star nucleosynthetic yields, six massive star yield compilations, and six functional forms for the initial mass f... Read More about Galactic chemical evolution: Stellar yields and the initial mass function.

Tracking Cluster Debris (TraCD) – I. Dissolution of clusters and searching for the solar cradle (2015)
Journal Article
Moyano Loyola, G. R., Flynn, C., Hurley, J. R., & Gibson, B. K. (2015). Tracking Cluster Debris (TraCD) – I. Dissolution of clusters and searching for the solar cradle. Monthly notices of the Royal Astronomical Society, 449(4), 4443-4457. https://doi.org/10.1093/mnras/stv550

The capability to reconstruct dissolved stellar systems in dynamical and chemical space is a key factor in improving our understanding of the evolution of the Milky Way. Here we concentrate on the dynamical aspect and given that a significant portion... Read More about Tracking Cluster Debris (TraCD) – I. Dissolution of clusters and searching for the solar cradle.

Simple and accurate modelling of the gravitational potential produced by thick and thin exponential discs (2015)
Journal Article
Smith, R., Flynn, C., Candlish, G. N., Fellhauer, M., & Gibson, B. K. (2015). Simple and accurate modelling of the gravitational potential produced by thick and thin exponential discs. Monthly notices of the Royal Astronomical Society, 448(3), 2934-2940. https://doi.org/10.1093/mnras/stv228

We present accurate models of the gravitational potential produced by a radially exponential disc mass distribution. The models are produced by combining three separate Miyamoto–Nagai discs. Such models have been used previously to model the disc of... Read More about Simple and accurate modelling of the gravitational potential produced by thick and thin exponential discs.

The imprints of the Galactic Bar on the Thick Disk with RAVE (2015)
Journal Article
Antoja, T., Monari, G., Helmi, A., Bienaymé, O., Bland-Hawthorn, J., Famaey, B., …Zwitter, T. (2015). The imprints of the Galactic Bar on the Thick Disk with RAVE. Astrophysical journal. Letters, 800(2), L32. https://doi.org/10.1088/2041-8205/800/2/l32

We study the kinematics of a local sample of stars, located within a cylinder of 500 pc radius centered on the Sun, in the RAVE data set. We find clear asymmetries in the v R v∞ velocity distributions of thin and thick disk stars: there are more sta... Read More about The imprints of the Galactic Bar on the Thick Disk with RAVE.

The rich are different: evidence from the RAVE survey for stellar radial migration (2015)
Journal Article
Kordopatis, G., Binney, J., Gilmore, G., Wyse, R. F. G., Belokurov, V., McMillan, P. J., …Zwitter, T. (2015). The rich are different: evidence from the RAVE survey for stellar radial migration. Monthly notices of the Royal Astronomical Society, 447(4), 3526-3535. https://doi.org/10.1093/mnras/stu2726

Using the RAdial Velocity Experiment fourth data release (RAVE DR4), and a new metallicity calibration that will be also taken into account in the future RAVE DR5, we investigate the existence and the properties of super-solar metallicity stars ([M/H... Read More about The rich are different: evidence from the RAVE survey for stellar radial migration.

Characterizing the high-velocity stars of RAVE: the discovery of a metal-rich halo star born in the Galactic disc (2015)
Journal Article
Hawkins, K., Kordopatis, G., Gilmore, G., Masseron, T., Wyse, R. F. G., Ruchti, G., …Zwitter, T. (2015). Characterizing the high-velocity stars of RAVE: the discovery of a metal-rich halo star born in the Galactic disc. Monthly notices of the Royal Astronomical Society, 447(2), 2046-2058. https://doi.org/10.1093/mnras/stu2574

© 2015 The Authors. We aim to characterize high-velocity (HiVel) stars in the solar vicinity both chemically and kinematically using the fourth data release of the RAdial Velocity Experiment (RAVE). We used a sample of 57HiVel starswith Galactic rest... Read More about Characterizing the high-velocity stars of RAVE: the discovery of a metal-rich halo star born in the Galactic disc.

Identification of globular cluster stars in RAVE data - I. Application to stellar parameter calibration (2015)
Journal Article
Anguiano, B., Zucker, D. B., Scholz, R. D., Grebel, E. K., Seabroke, G., Kunder, A., …Watson, F. (2015). Identification of globular cluster stars in RAVE data - I. Application to stellar parameter calibration. Monthly notices of the Royal Astronomical Society, 451(2), 1229-1246. https://doi.org/10.1093/mnras/stv800

We present the identification of potential members of nearby Galactic globular clusters using radial velocities from the RAdial Velocity Experiment Data Release 4 (RAVE-DR4) survey data base. Our identifications are based on three globular clusters –... Read More about Identification of globular cluster stars in RAVE data - I. Application to stellar parameter calibration.

Decoding the message from meteoritic stardust silicon carbide grains (2014)
Journal Article
Lewis, K. M., Lugaro, M., Gibson, B. K., & Pilkington, K. (2014). Decoding the message from meteoritic stardust silicon carbide grains. AIP conference proceedings, 1594, 301-306. https://doi.org/10.1063/1.4874086

SiC mainstream grains are presolar grains believed to form in the envelopes of carbon rich asymptotic giant branch (AGB) stars with masses between 1.5 and 3 solar masses. These grains represent a conundrum as the 29Si and 30Si abundances indicate tha... Read More about Decoding the message from meteoritic stardust silicon carbide grains.

Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE (2014)
Journal Article
Kunder, A., Bono, G., Piffl, T., Steinmetz, M., Grebel, E. K., Anguiano, B., …Helmi, A. (2014). Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE. Astronomy and Astrophysics, 572, A30. https://doi.org/10.1051/0004-6361/201424113

© ESO, 2014. Context. Stellar population studies of globular clusters have suggested that the brightest clusters in the Galaxy might actually be the remnant nuclei of dwarf spheroidal galaxies. If the present Galactic globular clusters formed within... Read More about Spectroscopic signatures of extratidal stars around the globular clusters NGC 6656 (M 22), NGC 3201, and NGC 1851 from RAVE.

Weighing the local dark matter with RAVE red clump stars (2014)
Journal Article
Bienaymé, O., Famaey, B., Siebert, A., Freeman, K. C., Gibson, B. K., Gilmore, G., …Zwitter, T. (2014). Weighing the local dark matter with RAVE red clump stars. Astronomy and Astrophysics, 571, A92. https://doi.org/10.1051/0004-6361/201424478

We determine the Galactic potential in the solar neigbourhood from RAVE observations. We select red clump stars for which accurate distances, radial velocities, and metallicities have been measured. Combined with data from the 2MASS and UCAC catalogu... Read More about Weighing the local dark matter with RAVE red clump stars.

Constraining the Galaxy's dark halo with RAVE stars (2014)
Journal Article
Piffl, T., Binney, J., McMillan, P. J., Steinmetz, M., Helmi, A., Wyse, R. F. G., …Zwitter, T. (2014). Constraining the Galaxy's dark halo with RAVE stars. Monthly notices of the Royal Astronomical Society, 445(3), 3133-3151. https://doi.org/10.1093/mnras/stu1948

© 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. We use the kinematics of ~200 000 giant stars that lie within ~1.5 kpc of the plane to measure the vertical profile of mass density near the Sun. We... Read More about Constraining the Galaxy's dark halo with RAVE stars.

APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings (2014)
Journal Article
Munari, U., Henden, A., Frigo, A., Zwitter, T., Bienaymé, O., Bland-Hawthorn, J., …Williams, M. (2014). APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings. Astronomical Journal, 148(5), 81. https://doi.org/10.1088/0004-6256/148/5/81

© 2014. The American Astronomical Society. All rights reserved. We provide AAVSO Photometric All-Sky Survey (APASS) photometry in the Landolt BV and Sloan g′r′i′ bands for all 425,743 stars included in the fourth RAVE Data Release. The internal accur... Read More about APASS Landolt-Sloan BVgri photometry of RAVE stars. I. Data, effective temperatures, and reddenings.

Chemodynamics of a simulated disc galaxy: Initial mass functions and Type Ia supernova progenitors (2014)
Journal Article
Few, C. G., Courty, S., Gibson, B. K., Michel-Dansac, L., & Calura, F. (2014). Chemodynamics of a simulated disc galaxy: Initial mass functions and Type Ia supernova progenitors. Monthly notices of the Royal Astronomical Society, 444(4), 3845-3862. https://doi.org/10.1093/mnras/stu1709

We trace the formation and advection of several elements within a cosmological adaptive mesh refinement simulation of an L⋆ galaxy. We use nine realizations of the same initial conditions with different stellar initial mass functions (IMFs), mass lim... Read More about Chemodynamics of a simulated disc galaxy: Initial mass functions and Type Ia supernova progenitors.

Kinematic modeling of the milky way using the rave and GCS stellar surveys (2014)
Journal Article
Sharma, S., Bland-Hawthorn, J., Binney, J., Freeman, K. C., Steinmetz, M., Boeche, C., …Zwitter, T. (2014). Kinematic modeling of the milky way using the rave and GCS stellar surveys. The Astrophysical journal, 793(1), 51. https://doi.org/10.1088/0004-637x/793/1/51

© 2014. The American Astronomical Society. All rights reserved.. We investigate the kinematic parameters of the Milky Way disk using the Radial Velocity Experiment (RAVE) and Geneva-Copenhagen Survey (GCS) stellar surveys. We do this by fitting a kin... Read More about Kinematic modeling of the milky way using the rave and GCS stellar surveys.

Chemical gradients in the Milky Way from the RAVE data: II. Giant stars (2014)
Journal Article
Boeche, C., Siebert, A., Piffl, T., Just, A., Steinmetz, M., Grebel, E. K., …Zwitter, T. (2014). Chemical gradients in the Milky Way from the RAVE data: II. Giant stars. Astronomy and Astrophysics, 568, Article A71. https://doi.org/10.1051/0004-6361/201423974

Aims. We provide new constraints on the chemo-dynamical models of the Milky Way by measuring the radial and vertical chemical gradients for the elements Mg, Al, Si, Ti, and Fe in the Galactic disc and the gradient variations as a function of the dist... Read More about Chemical gradients in the Milky Way from the RAVE data: II. Giant stars.

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