Devika Kotachery

Dr

  • 188 Citations
  • 9 h-Index
20142022
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Research Outputs 2014 2019

  • 188 Citations
  • 9 h-Index
  • 19 Article
  • 1 Conference proceeding contribution
2019

AGB dust and gas ejecta in extremely metal-poor environments

Dell'Agli, F., Valiante, R., Kamath, D., Ventura, P. & García-Hernández, D. A., 1 Jul 2019, In : Monthly Notices of the Royal Astronomical Society. 486, 4, p. 4738-4752 15 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
ejecta
dust
metal
gases
gas

A spatio-kinematic model for jets in post-AGB stars

Bollen, D., Kamath, D., Van Winckel, H. & De Marco, O., 1 Nov 2019, In : Astronomy and Astrophysics. 631, p. 1-14 14 p., A53.

Research output: Contribution to journalArticleResearchpeer-review

asymptotic giant branch stars
kinematics
Infrared Astronomy Satellite
configurations
launching

Resolved imaging of the AR Puppis circumbinary disk

Ertel, S., Kamath, D., Hillen, M., Van Winckel, H., Okumura, J., Manick, R., Boffin, H. M. J., Milli, J., Bertrang, G. H-M., Guzman-Ramirez, L., Horner, J., Marshall, J. P., Scicluna, P., Vaz, A., Villaver, E., Wesson, R. & Xu, S., 12 Feb 2019, In : Astronomical Journal. 157, 3, p. 1-13 13 p., 110.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
timescale
structural component
planet
extinction
scattering

Understanding jets in post-AGB close binaries

Bollen, D., Kamath, D., Van Winckel, H. & De Marco, O., 30 Dec 2019, Why galaxies care about AGB stars : a continuing challenge through cosmic time: Proceedings of the 343rd Symposium of the International Astronomical Union held In Vienna, Austria 20–23 August, 2018. Kerschbaum, F., Groenewegen, M. & Olofsson, H. (eds.). Cambridge: Cambridge University Press, p. 355-356 2 p. (Proceedings of the International Astronomical Union; vol. 14, no. S343).

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionResearchpeer-review

Galaxies
Tomography
Light
launching
merger
2018

Heavy-element yields and abundances of asymptotic giant branch models with a Small Magellanic Cloud metallicity

Karakas, A. I., Lugaro, M., Carlos, M., Cseh, B., Kamath, D. & García-Hernández, D. A., 11 Jun 2018, In : Monthly Notices of the Royal Astronomical Society. 477, 1, p. 421-437 17 p.

Research output: Contribution to journalArticleResearchpeer-review

Magellanic clouds
heavy elements
metallicity
asymptotic giant branch stars
nuclear fusion

Orbital properties of binary post-AGB stars

Oomen, G. M., Van Winckel, H., Pols, O., Nelemans, G., Escorza, A., Manick, R., Kamath, D. & Waelkens, C., 4 Dec 2018, In : Astronomy and Astrophysics. 620, p. 1-21 21 p., A85.

Research output: Contribution to journalArticleResearchpeer-review

asymptotic giant branch stars
orbital elements
radial velocity
orbits
orbitals

SALT HRS discovery of a long-period double-degenerate binary in the planetary nebula NGC 1360

Miszalski, B., Manick, R., Mikolajewska, J., Iłkiewicz, K., Kamath, D. & Van Winckel, H., 1 Jan 2018, In : Monthly Notices of the Royal Astronomical Society. 473, 2, p. 2275-2287 13 p.

Research output: Contribution to journalArticleResearchpeer-review

planetary nebulae
spectrographs
telescopes
nebulae
high resolution

The evolutionary nature of RV Tauri stars in the SMC and LMC

Manick, R., Van Winckel, H., Kamath, D., Sekaran, S. & Kolenberg, K., 8 Oct 2018, In : Astronomy and Astrophysics. 618, p. 1-31 31 p., 21.

Research output: Contribution to journalArticleResearchpeer-review

spectral energy distribution
stars
luminosity
energy
dust
2017

Abundance analyses of the new R Coronae Borealis stars ASAS-RCB-8 and ASAS-RCB-10

Hema, B. P., Pandey, G., Kamath, D., Rao, N. K., Lambert, D. & Woolf, V. M., 1 Oct 2017, In : Publications of the Astronomical Society of the Pacific. 129, 980, p. 1-8 8 p., 104202.

Research output: Contribution to journalArticleResearchpeer-review

R Coronae Borealis stars
Advanced Solid-State Array Spectroradiometer
coronas
corona
optical spectrum

A mid-IR interferometric survey with MIDI/VLTI: resolving the second-generation protoplanetary disks around post-AGB binaries

Hillen, M., Van Winckel, H., Menu, J., Manick, R., Debosscher, J., Min, M., De Wit, W. J., Verhoelst, T., Kamath, D. & Waters, L. B. F. M., 1 Mar 2017, In : Astronomy and Astrophysics. 599, p. 1-29 29 p., A41.

Research output: Contribution to journalArticleResearchpeer-review

protoplanetary disks
hydrostatics
brightness temperature
visibility
temperature gradient

Discovery of a metal-poor, luminous post-AGB Star that failed the third dredge-up

Kamath, D., Winckel, H. V., Wood, P. R., Asplund, M., Karakas, A. I. & Lattanzio, J. C., 10 Feb 2017, In : Astrophysical Journal. 836, 1, p. 1-15 15 p., 15.

Research output: Contribution to journalArticleResearchpeer-review

asymptotic giant branch stars
dredger
stars
metal
metals

Establishing binarity amongst Galactic RV Tauri stars with a disc

Manick, R., Van Winckel, H., Kamath, D., Hillen, M. & Escorza, A., 1 Jan 2017, In : Astronomy and Astrophysics. 597, 18 p., A129.

Research output: Contribution to journalArticleResearchpeer-review

time series
eccentricity
stars
orbitals
Infrared Astronomy Satellite

Jet creation in post-AGB binaries: the circum-companion accretion disk around BD+46°442

Bollen, D., Van Winckel, H. & Kamath, D., 1 Nov 2017, In : Astronomy and Astrophysics. 607, p. 1-17 17 p., A60.

Research output: Contribution to journalArticleResearchpeer-review

accretion disks
accretion
outflow
orbitals
launching sites

Lithium abundance and rotation of seismic solar analogues: solar and stellar connection from Kepler and HERMES observations

Beck, P. G., do Nascimento, J. D., Duarte, T., Salabert, D., Tkachenko, A., Mathis, S., Mathur, S., García, R. A., Castro, M., Pallé, P. L., Egeland, R., Montes, D., Creevey, O., Andersen, M. F., Kamath, D. & Van Winckel, H., 1 Jun 2017, In : Astronomy and Astrophysics. 602, p. 1-11 11 p., A63.

Research output: Contribution to journalArticleResearchpeer-review

lithium
analogs
stars
sun
chemical properties
2016

A chemically peculiar post-AGB star in the Small Magellanic Cloud

Kamath, D., Van Winckel, H., De Smedt, K. & Wood, P. R., 8 Aug 2016, In : Journal of Physics: Conference Series. 728, 3, p. 1-4 4 p., 032016.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
asymptotic giant branch stars
Magellanic clouds
stars
signatures
bears

A newly discovered stellar type: dusty post-red giant branch stars in the Magellanic Clouds

Kamath, D., Wood, P. R., Van Winckel, H. & Nie, J. D., 1 Feb 2016, In : Astronomy and Astrophysics. 586, 5 p., L5.

Research output: Contribution to journalArticleResearch

Magellanic clouds
merger
dust
stars
luminosity

Detailed homogeneous abundance studies of 14 Galactic s-process enriched post-AGB stars: In search of lead (Pb)

De Smedt, K., Van Winckel, H., Kamath, D., Siess, L., Goriely, S., Karakas, A. I. & Manick, R., 1 Mar 2016, In : Astronomy and Astrophysics. 587, 25 p., A6.

Research output: Contribution to journalArticleResearchpeer-review

asymptotic giant branch stars
Infrared Astronomy Satellite
metallicity
stars
nuclear fusion

Imaging the dust sublimation front of a circumbinary disk

Hillen, M., Kluska, J., Le Bouquin, J. B., Van Winckel, H., Berger, J. P., Kamath, D. & Bujarrabal, V., 1 Apr 2016, In : Astronomy and Astrophysics. 588, p. 1-6 6 p., L1.

Research output: Contribution to journalArticleResearchpeer-review

sublimation
dust
Infrared Astronomy Satellite
dissection
protoplanetary disks

New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates

Ivanov, V. D., Cioni, M. R. L., Bekki, K., De Grijs, R., Emerson, J., Gibson, B. K., Kamath, D., Van Loon, J. T., Piatti, A. E. & For, B. Q., 1 Apr 2016, In : Astronomy and Astrophysics. 588, 12 p., A93.

Research output: Contribution to journalArticleResearchpeer-review

Magellanic clouds
quasars
near infrared
reference systems
census
2014

Spitzer Space Telescope spectra of post-AGB stars in the large magellanic Cloud-polycyclic aromatic hydrocarbons at low metallicities

Matsuura, M., Bernard-Salas, J., Evans, T. L., Volk, K. M., Hrivnak, B. J., Sloan, G. C., Chu, Y. H., Gruendl, R., Kraemer, K. E., Peeters, E., Szczerba, R., Wood, P. R., Zijlstra, A. A., Hony, S., Ita, Y., Kamath, D., Lagadec, E., Parker, Q. A., Reid, W. A., Shimonishi, T. & 9 othersWinckel, H. V., Woods, P. M., Kemper, F., Meixner, M., Otsuka, M., Sahai, R., Sargent, B. A., Hora, J. L. & McDonald, I., 2014, In : Monthly Notices of the Royal Astronomical Society. 439, 2, p. 1472-1493 22 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Space Infrared Telescope Facility
asymptotic giant branch stars
Magellanic clouds
polycyclic aromatic hydrocarbons
metallicity