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1

THE SEGUE STELLAR PARAMETER PIPELINE. V. ESTIMATION OF ALPHA-ELEMENT ABUNDANCE RATIOS FROM LOW-RESOLUTION SDSS/SEGUE STELLAR SPECTRA

Lee, Young Sun, Beers, Timothy C., Prieto, Carlos Allende, Lai, David K., Rockosi, Constance M., Morrison, Heather L., Johnson, Jennifer A., An, Deokkeun, Sivarani, Thirupathi, Yanny, Brian

Journal:

The Astronomical Journal

Année:

2011

Langue:

english

Fichier:

PDF, 1.80 MB

english, 2011

2

CARBON ABUNDANCES OF THREE CARBON-ENHANCED METAL-POOR STARS FROM HIGH-RESOLUTION GEMINI-S/bHROS SPECTRA OF THE λ8727 [C I] LINE

Schuler, Simon C., Margheim, Steven J., Sivarani, Thirupathi, Asplund, Martin, Smith, Verne V., Cunha, Katia, Beers, Timothy C.

Journal:

The Astronomical Journal

Année:

2008

Langue:

english

Fichier:

PDF, 460 KB

english, 2008

3

SEARCHES FOR METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY USING THE CH G BAND

Placco, Vinicius M., Kennedy, Catherine R., Beers, Timothy C., Christlieb, Norbert, Rossi, Silvia, Sivarani, Thirupathi, Lee, Young Sun, Reimers, Dieter, Wisotzki, Lutz

Journal:

The Astronomical Journal

Année:

2011

Langue:

english

Fichier:

PDF, 5.60 MB

english, 2011

4

HIGH-RESOLUTION SPECTROSCOPY OF EXTREMELY METAL-POOR STARS FROM SDSS/SEGUE. I. ATMOSPHERIC PARAMETERS AND CHEMICAL COMPOSITIONS

Aoki, Wako, Beers, Timothy C., Lee, Young Sun, Honda, Satoshi, Ito, Hiroko, Takada-Hidai, Masahide, Frebel, Anna, Suda, Takuma, Fujimoto, Masayuki Y., Carollo, Daniela, Sivarani, Thirupathi

Journal:

The Astronomical Journal

Année:

2013

Langue:

english

Fichier:

PDF, 116 KB

english, 2013

5

A SEARCH FOR UNRECOGNIZED CARBON-ENHANCED METAL-POOR STARS IN THE GALAXY

Placco, Vinicius M., Kennedy, Catherine R., Rossi, Silvia, Beers, Timothy C., Lee, Young Sun, Christlieb, Norbert, Sivarani, Thirupathi, Reimers, Dieter, Wisotzki, Lutz

Journal:

The Astronomical Journal

Année:

2010

Langue:

english

Fichier:

PDF, 2.08 MB

english, 2010

6

[O/Fe] ESTIMATES FOR CARBON-ENHANCED METAL-POOR STARS FROM NEAR-INFRARED SPECTROSCOPY

Kennedy, Catherine R., Sivarani, Thirupathi, Beers, Timothy C., Lee, Young Sun, Placco, Vinicius M., Rossi, Silvia, Christlieb, Norbert, Herwig, Falk, Plez, Bertrand

Journal:

The Astronomical Journal

Année:

2011

Langue:

english

Fichier:

PDF, 1.17 MB

english, 2011

7

THE SEGUE STELLAR PARAMETER PIPELINE. IV. VALIDATION WITH AN EXTENDED SAMPLE OF GALACTIC GLOBULAR AND OPEN CLUSTERS

Smolinski, Jason P., Lee, Young Sun, Beers, Timothy C., An, Deokkeun, Bickerton, Steven J., Johnson, Jennifer A., Loomis, Craig P., Rockosi, Constance M., Sivarani, Thirupathi, Yanny, Brian

Journal:

The Astronomical Journal

Année:

2011

Langue:

english

Fichier:

PDF, 649 KB

english, 2011

8

AUTOMATED DETERMINATION OF [Fe/H] AND [C/Fe] FROM LOW-RESOLUTION SPECTROSCOPY

Marsteller, Brian, Beers, Timothy C., Thirupathi, Sivarani, Rossi, Silvia, Placco, Vinicius, Knapp, Gillian R., Johnson, Jennifer A., Lucatello, Sara

Journal:

The Astronomical Journal

Année:

2009

Langue:

english

Fichier:

PDF, 429 KB

english, 2009

9

THE SEGUE STELLAR PARAMETER PIPELINE. I. DESCRIPTION AND COMPARISON OF INDIVIDUAL METHODS

Lee, Young Sun, Beers, Timothy C., Sivarani, Thirupathi, Allende Prieto, Carlos, Koesterke, Lars, Wilhelm, Ronald, Fiorentin, Paola Re, Bailer-Jones, Coryn A. L., Norris, John E., Rockosi, Constance M

Journal:

The Astronomical Journal

Année:

2008

Langue:

english

Fichier:

PDF, 5.88 MB

english, 2008

10

Computer aided diagnosis of brain tumor using novel classification techniques

Paul, Jasmine, Sivarani, T. S.

Journal:

Journal of Ambient Intelligence and Humanized Computing

Année:

2020

Fichier:

PDF, 3.33 MB

2020

11

On the genealogy of the Orphan Stream

Laura V. Sales, Amina Helmi, Else Starkenburg, Heather L. Morrison, Ethan Engle, Paul Harding, Mario Mateo, Edward W. Olszewski, Thirupathi Sivarani

Journal:

Monthly Notices of the Royal Astronomical Society

Année:

2008

Langue:

english

Fichier:

PDF, 2.66 MB

english, 2008

12

Gastrointestinal: Massive intraperitoneal haemorrhage in a young woman with Hereditary Hemorrhagic Telangiectasia

S Sivarani, YK Chan, CK Liam, G Kumar, BJ Abdullah, S Mahadeva

Journal:

Journal of Gastroenterology and Hepatology

Année:

2010

Langue:

english

Fichier:

PDF, 218 KB

english, 2010

13

Two stellar components in the halo of the Milky Way

Carollo, Daniela, Beers, Timothy C., Lee, Young Sun, Chiba, Masashi, Norris, John E., Wilhelm, Ronald, Sivarani, Thirupathi, Marsteller, Brian, Munn, Jeffrey A., Bailer-Jones, Coryn A. L.

Journal:

Année:

2007

Langue:

english

Fichier:

PDF, 593 KB

english, 2007

14

Two stellar components in the halo of the Milky Way

Carollo, Daniela, Beers, Timothy C., Lee, Young Sun, Chiba, Masashi, Norris, John E., Wilhelm, Ronald, Sivarani, Thirupathi, Marsteller, Brian, Munn, Jeffrey A., Bailer-Jones, Coryn A. L.

Journal:

Année:

2008

Langue:

english

Fichier:

PDF, 69 KB

english, 2008

15

[IEEE 2012 International Conference on Computing, Electronics and Electrical Technologies (ICCEET) - Nagercoil, Tamil Nadu, India (2012.03.21-2012.03.22)] 2012 International Conference on Computing, Electronics and Electrical Technologies (ICCEET) - Novel intelligent hybrid techniques for speed control of electric drives fed by matrix converter

Sivarani, T.S, Joseph Jawhar, S., Agees Kumar, C.

Année:

2012

Langue:

english

Fichier:

PDF, 1.50 MB

english, 2012

16

Patent foramen ovale and migraine: What is the relationship between the two?

Sathasivam, Sivarani, Sathasivam, Sivakumar

Journal:

Journal of Cardiology

Année:

2013

Langue:

english

Fichier:

PDF, 195 KB

english, 2013

17

Stellar Relics from the Early Galaxy

Journal:

Journal of Astrophysics and Astronomy

Année:

2013

Langue:

english

Fichier:

PDF, 623 KB

english, 2013

18

Modelling high resolution Echelle spectrographs for calibrations: Hanle Echelle spectrograph, a case study

Chanumolu, Anantha, Jones, Damien, Thirupathi, Sivarani

Journal:

Experimental Astronomy

Année:

2015

Langue:

english

Fichier:

PDF, 2.11 MB

english, 2015

19

CARBON-ENHANCED METAL-POOR STARS IN SDSS/SEGUE. I. CARBON ABUNDANCE ESTIMATION AND FREQUENCY OF CEMP STARS

Lee, Young Sun, Beers, Timothy C., Masseron, Thomas, Plez, Bertrand, Rockosi, Constance M., Sobeck, Jennifer, Yanny, Brian, Lucatello, Sara, Sivarani, Thirupathi, Placco, Vinicius M., Carollo, Daniela

Journal:

The Astronomical Journal

Année:

2013

Langue:

english

Fichier:

PDF, 3.12 MB

english, 2013

20

AIP Conference Proceedings [American Institute of Physics FIRST STARS III: First Stars II Conference - Santa Fe (New Mexico) (15–20 July 2007)] - The Metal‐Poor End of the Lithium Plateau

Sbordone, L., Bonifacio, P., Hernández, J. I. González, Cayrel, R., Behara, N., Molaro, P., Plez, B., Francois, P., Christlieb, N., Ludwig, H.‐G., Sivarani, T., Beers, T. C., Van't Veer, C.

Année:

2008

Langue:

english

Fichier:

PDF, 496 KB

english, 2008

21

AIP Conference Proceedings [American Institute of Physics FIRST STARS III: First Stars II Conference - Santa Fe (New Mexico) (15–20 July 2007)] - Refined Estimates of Carbon Abundances for Carbon‐Enhanced Metal‐Poor Stars

Rossi, S., Placco, V. M., Beers, T. C., Marsteller, B., Kennedy, C. R., Sivarani, T., Masseron, T., Plez, B.

Année:

2008

Langue:

english

Fichier:

PDF, 560 KB

english, 2008

22

AIP Conference Proceedings [American Institute of Physics FIRST STARS III: First Stars II Conference - Santa Fe (New Mexico) (15–20 July 2007)] - Revised Parameter Estimates For The Most Metal‐Poor Candidates In SDSS‐I And SEGUE

Krugler, Julie A., Beers, T. C., Lee, Y. S., Sivarani, T., Marsteller, B., Wilhelm, R., Prieto, C. Allende, Frebel, A., Norris, J. E., Johnson, J., Ivans, I., Yanny, B., Rockosi, C., Morrison, H., New

Année:

2008

Langue:

english

Fichier:

PDF, 240 KB

english, 2008

23

AIP Conference Proceedings [American Institute of Physics FIRST STARS III: First Stars II Conference - Santa Fe (New Mexico) (15–20 July 2007)] - Fluorine in the Carbon‐Enhanced Metal‐Poor Star HE 1305+0132

Schuler, Simon C., Cunha, Katia, Smith, Verne V., Sivarani, Thirupathi, Beers, Timothy C., Lee, Young Sun

Année:

2008

Langue:

english

Fichier:

PDF, 257 KB

english, 2008

24

AIP Conference Proceedings [American Institute of Physics FIRST STARS III: First Stars II Conference - Santa Fe (New Mexico) (15–20 July 2007)] - CS 22876–032: The Most Metal‐Poor Dwarfs. Abundances and 3D Effects

Hernández, J. I. González, Bonifacio, P., Ludwig, H.‐G., Caffau, E., Spite, M., Spite, F., Cayrel, R., Molaro, P., Hill, V., François, P., Plez, B., Beers, T. C., Sivarani, T., Andersen, J., Barbuy, B

Année:

2008

Langue:

english

Fichier:

PDF, 270 KB

english, 2008

25

TARGET SELECTION FOR THE SDSS-III MARVELS SURVEY

Paegert, Martin, Stassun, Keivan G., Lee, Nathan De, Pepper, Joshua, Fleming, Scott W., Sivarani, Thirupathi, Mahadevan, Suvrath, III, Claude E. Mack, Dhital, Saurav, Hebb, Leslie, Ge, Jian

Journal:

The Astronomical Journal

Année:

2015

Langue:

english

Fichier:

PDF, 2.71 MB

english, 2015

26

Intensive random carrier pulse width modulation for induction motor drives based on hopping between discrete carrier frequencies

C., Agees Kumar, T.S., Sivarani, S., Joseph Jawhar

Journal:

IET Power Electronics

Année:

2016

Langue:

english

Fichier:

PDF, 1.31 MB

english, 2016

27

Investigating AGN black hole masses and the M BH –σ e relation for low surface brightness galaxies

Subramanian, S., Ramya, S., Das, M., George, K., Sivarani, T., Prabhu, T. P.

Journal:

Monthly Notices of the Royal Astronomical Society

Année:

2016

Langue:

english

Fichier:

PDF, 2.57 MB

english, 2016

28

Abundance analysis of SDSS J134338.67+484426.6; an extremely metal-poor star from the MARVELS pre-survey

Rani, A. Susmitha, Sivarani, T., Beers, T.C., Fleming, S., Mahadevan, S., Ge, J.

Journal:

Monthly Notices of the Royal Astronomical Society

Année:

2016

Langue:

english

Fichier:

PDF, 339 KB

english, 2016

29

SPIE Proceedings [SPIE International Conference on Optics & Photonics 2015 - Kolkata, India (Friday 20 February 2015)] International Conference on Optics and Photonics 2015 - Analytical modelling of Thirty Meter Telescope optics polarization

Bhattacharya, Kallol, Anche, Ramya M., Anupama, G. C., Reddy, Krishna, Sen, Asoke, Sankarasubramanian, K., Ramaprakash, A. N., Sengupta, Sujan, Skidmore, Warren, Atwood, Jenny, Tirupathi, Sivarani, Pa

Année:

2015

Langue:

english

Fichier:

PDF, 782 KB

english, 2015

30

Near-IR Spectroscopy of CEMP Stars with SOAR/OSIRIS

Kennedy, Catherine R., Sivarani, Thirupathi, Beers, Timothy C., Rossi, Silvia, Placco, Vinicius M., Johnson, J., Masseron, T.

Journal:

Proceedings of the International Astronomical Union

Année:

2009

Langue:

english

Fichier:

PDF, 78 KB

english, 2009

31

Carbon-enhanced stars in SDSS DR-3

Sivarani, T., Marsteller, B., Beers, T.C.

Journal:

Proceedings of the International Astronomical Union

Année:

2005

Langue:

english

Fichier:

PDF, 370 KB

english, 2005

32

Lithium abundances in extremely metal-poor unevolved stars

Bonifacio, P., Molaro, P., Sivarani, T., Cayrel, R., Spite, M., Spite, F., Plez, B., Andersen, J., Barbuy, B., Beers, T. C., Depagne, E., Hill, V., François, P., Nordström, B., Primas, F.

Journal:

Proceedings of the International Astronomical Union

Année:

2005

Langue:

english

Fichier:

PDF, 164 KB

english, 2005

33

The Frequency of Carbon-Enhanced Metal-Poor Stars Based on SDSS Spectroscopy

Marsteller, B., Beers, T.C., Sivarani, T., Rossi, S., Knapp, J., Plez, B., Johnson, J.

Journal:

Proceedings of the International Astronomical Union

Année:

2006

Langue:

english

Fichier:

PDF, 86 KB

english, 2006

34

The metal–poor end of the Spite plateau

Sbordone, L., Bonifacio, P., Caffau, E., Ludwig, H.-G., Behara, N., Gonzalez-Hernandez, J. I., Steffen, M., Cayrel, R., Freytag, B., Van't Veer, C., Molaro, P., Plez, B., Sivarani, T., Spite, M., Spit

Journal:

Proceedings of the International Astronomical Union

Année:

2009

Langue:

english

Fichier:

PDF, 108 KB

english, 2009

35

A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars

Placco, Vinicius M., Kennedy, Catherine R., Rossi, Silvia, Beers, Timothy C., Christlieb, Norbert, Sivarani, Thirupathi

Journal:

Proceedings of the International Astronomical Union

Année:

2009

Langue:

english

Fichier:

PDF, 78 KB

english, 2009

36

The metal–poor end of the Spite plateau: gravity sensitivity of the Hα wings fitting.

Sbordone, L., Bonifacio, P., Caffau, E., Ludwig, H.-G., Behara, N., Gonzalez-Hernandez, J. I., Steffen, M., Cayrel, R., Freytag, B., Van't Veer, C., Molaro, P., Plez, B., Sivarani, T., Spite, M., Spit

Journal:

Proceedings of the International Astronomical Union

Année:

2009

Langue:

english

Fichier:

PDF, 167 KB

english, 2009

37

Investigating the AGN activity and black hole masses in low surface brightness galaxies

Subramanian, Smitha, Sethuram, Ramya, Das, Mousumi, George, Koshy, Thirupathi, Sivarani, Prabhu, Tushar P.

Journal:

Proceedings of the International Astronomical Union

Année:

2014

Langue:

english

Fichier:

PDF, 112 KB

english, 2014

38

The Frequency of Carbon-enhanced Metal-poor Stars in the Galaxy from the HERES Sample

Lucatello, Sara, Beers, Timothy C., Christlieb, Norbert, Barklem, Paul S., Rossi, Silvia, Marsteller, Brian, Sivarani, Thirupathi, Lee, Young Sun

Journal:

The Astrophysical Journal

Année:

2006

Langue:

english

Fichier:

PDF, 76 KB

english, 2006

39

Carbon‐Enhanced Metal‐Poor Stars. III. Main‐Sequence Turnoff Stars from the SDSS SEGUE Sample1

Aoki, Wako, Beers, Timothy C., Sivarani, Thirupathi, Marsteller, Brian, Lee, Young Sun, Honda, Satoshi, Norris, John E., Ryan, Sean G., Carollo, Daniela

Journal:

The Astrophysical Journal

Année:

2008

Langue:

english

Fichier:

PDF, 553 KB

english, 2008

40

Fluorine in a Carbon-enhanced Metal-poor Star

Schuler, Simon C., Cunha, Katia, Smith, Verne V., Sivarani, Thirupathi, Beers, Timothy C., Lee, Young Sun

Journal:

The Astrophysical Journal

Année:

2007

Langue:

english

Fichier:

PDF, 82 KB

english, 2007

41

THE SEGUE STELLAR PARAMETER PIPELINE. III. COMPARISON WITH HIGH-RESOLUTION SPECTROSCOPY OF SDSS/SEGUE FIELD STARS

Allende Prieto, Carlos, Sivarani, Thirupathi, Beers, Timothy C., Lee, Young Sun, Koesterke, Lars, Shetrone, Matthew, Sneden, Christopher, Lambert, David L., Wilhelm, Ronald, Rockosi, Constance M., Lai

Journal:

The Astronomical Journal

Année:

2008

Langue:

english

Fichier:

PDF, 479 KB

english, 2008

42

A New Milky Way Dwarf Satellite in Canes Venatici

Zucker, D. B., Belokurov, V., Evans, N. W., Wilkinson, M. I., Irwin, M. J., Sivarani, T., Hodgkin, S., Bramich, D. M., Irwin, J. M., Gilmore, G., Willman, B., Vidrih, S., Fellhauer, M., Hewett, P. C.,

Journal:

The Astrophysical Journal

Année:

2006

Langue:

english

Fichier:

PDF, 697 KB

english, 2006

43

Near-Infrared Spectroscopy of Carbon-Enhanced Metal-Poor Stars. I. A SOAR/OSIRIS Pilot Study

Beers, Timothy C., Sivarani, Thirupathi, Marsteller, Brian, Lee, YoungSun, Rossi, S., Plez, B.

Journal:

The Astronomical Journal

Année:

2007

Langue:

english

Fichier:

PDF, 2.06 MB

english, 2007

44

THE SEGUE STELLAR PARAMETER PIPELINE. II. VALIDATION WITH GALACTIC GLOBULAR AND OPEN CLUSTERS

Lee, Young Sun, Beers, Timothy C., Sivarani, Thirupathi, Johnson, Jennifer A., An, Deokkeun, Wilhelm, Ronald, Allende Prieto, Carlos, Koesterke, Lars, Fiorentin, Paola Re, Bailer-Jones, Coryn A. L., N

Journal:

The Astronomical Journal

Année:

2008

Langue:

english

Fichier:

PDF, 11.96 MB

english, 2008

45

A Road Map for the Generation of a Near-Infrared Guide Star Catalog for Thirty Meter Telescope Observations

Subramanian, Smitha, Subramaniam, Annapurni, Sivarani, T., Simard, Luc, Anupama, G. C., Gillies, Kim, Ramaprakash, A. N., Reddy, B. Eswar

Journal:

Journal of Astrophysics and Astronomy

Année:

2016

Langue:

english

Fichier:

PDF, 3.28 MB

english, 2016

46

Novel bacterial foraging-based ANFIS for speed control of matrix converter-fed industrial BLDC motors operated under low speed and high torque

Sivarani, T. S., Joseph Jawhar, S., Agees Kumar, C., Prem kumar, K.

Journal:

Neural Computing and Applications

Année:

2016

Langue:

english

Fichier:

PDF, 3.56 MB

english, 2016

47

The Hamburg/ESO R-process Enhanced Star survey (HERES)

Cui, W. Y., Sivarani, T., Christlieb, N.

Journal:

Astronomy and Astrophysics

Année:

2013

Langue:

english

Fichier:

PDF, 284 KB

english, 2013

48

CARBON-ENHANCED METAL-POOR STARS IN THE INNER AND OUTER HALO COMPONENTS OF THE MILKY WAY

Carollo, Daniela, Beers, Timothy C., Bovy, Jo, Sivarani, Thirupathi, Norris, John E., Freeman, Ken C., Aoki, Wako, Lee, Young Sun, Kennedy, Catherine R.

Journal:

The Astrophysical Journal

Année:

2012

Langue:

english

Fichier:

PDF, 31.22 MB

english, 2012

49

The metal-poor end of the Spite plateau

Sbordone, L., Bonifacio, P., Caffau, E., Ludwig, H.-G., Behara, N. T., González Hernández, J. I., Steffen, M., Cayrel, R., Freytag, B., Van’t Veer, C., Molaro, P., Plez, B., Sivarani, T., Spite, M., S

Journal:

Astronomy and Astrophysics

Année:

2010

Langue:

english

Fichier:

PDF, 1.43 MB

english, 2010

50

DISCOVERY OF A LOW-MASS COMPANION TO A METAL-RICH F STAR WITH THE MARVELS PILOT PROJECT

Fleming, Scott W., Ge, Jian, Mahadevan, Suvrath, Lee, Brian, Eastman, Jason D., Siverd, Robert J., Scott Gaudi, B., Niedzielski, Andrzej, Sivarani, Thirupathi, Stassun, Keivan G., Wolszczan, Alex, Bar

Journal:

The Astrophysical Journal

Année:

2010

Langue:

english

Fichier:

PDF, 2.08 MB

english, 2010