Search Results - "Ramírez, Solange V"

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    Massive Young Stellar Objects in the Galactic Center. II. Seeing Through the Ice-rich Envelopes by Jang, Dajeong, An, Deokkeun, Sellgren, Kris, Ramírez, Solange V., Boogert, A. C. Adwin, Schultheis, Mathias

    Published in The Astrophysical journal (01-05-2022)
    “…To study the demographics of interstellar ices in the Central Molecular Zone (CMZ) of the Milky Way, we obtain near-infrared spectra of 109 red point sources…”
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    Journal Article
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    Chemical Abundances of Luminous Cool Stars in the Galactic Center from High-Resolution Infrared Spectroscopy by Cunha, Katia, Sellgren, Kris, Smith, Verne V, Ramirez, Solange V, Blum, Robert D, Terndrup, Donald M

    Published in The Astrophysical journal (10-11-2007)
    “…We present chemical abundances in a sample of luminous cool stars located within 30 pc of the Galactic center. Abundances of carbon, nitrogen, oxygen, calcium,…”
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    Journal Article
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    MASSIVE YOUNG STELLAR OBJECTS IN THE GALACTIC CENTER. I. SPECTROSCOPIC IDENTIFICATION FROM SPITZER INFRARED SPECTROGRAPH OBSERVATIONS by AN, Deokkeun, RAMIREZ, Solange V, SELLGREN, Kris, ARENDT, Richard G, ADWIN BOOGERT, A. C, ROBITAILLE, Thomas P, SCHULTHEIS, Mathias, COTERA, Angela S, SMITH, Howard A, STOLOVY, Susan R

    Published in The Astrophysical journal (01-08-2011)
    “…We present results from our spectroscopic study, using the Infrared Spectrograph (IRS) on board the Spitzer Space Telescope, designed to identify massive young…”
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    Journal Article
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    Chandra Observation of the Trifid Nebula: X-Ray Emission from the O Star Complex and Actively Forming Pre-Main-Sequence Stars by Rho, Jeonghee, Ramírez, Solange V, Corcoran, Michael F, Hamaguchi, Kenji, Lefloch, Bertrand

    Published in The Astrophysical journal (01-06-2004)
    “…The Trifid Nebula, a young star-forming H II region, was observed for 16 hr by the ACIS-I detector on board the Chandra X-Ray Observatory. We detected 304…”
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    Journal Article
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    Evidence of deep mixing in IRS 7, a cool massive supergiant member of the Galactic nuclear star cluster by Guerço, Rafael, Smith, Verne V, Cunha, Katia, Ekström, Sylvia, Abia, Carlos, Plez, Bertrand, Meynet, Georges, Ramirez, Solange V, Prantzos, Nikos, Sellgren, Kris, Hayes, Cristian R, Majewski, Steven R

    “…ABSTRACT The centre of the Milky Way contains stellar populations spanning a range in age and metallicity, with a recent star formation burst producing young…”
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    Journal Article
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    Improved Orbital Parameters and Transit Monitoring for HD 156846b by Kane, Stephen R, Howard, Andrew W, Pilyavsky, Genady, Mahadevan, Suvrath, Henry, Gregory W, von Braun, Kaspar, Ciardi, David R, Dragomir, Diana, Fischer, Debra A, Jensen, Eric, Laughlin, Gregory, Ramirez, Solange V, Wright, Jason T

    Published in The Astrophysical journal (20-05-2011)
    “…HD 156846b is a Jovian planet in a highly eccentric orbit (e = 0.85) with a period of 359.55 days. The pericenter passage at a distance of 0.16 AU is nearly…”
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    Really Cool Stars and the Star Formation History at the Galactic Center by Blum, Robert D., Ramírez, Solange V., Sellgren, Kristen, Olsen, Knut

    Published in Astronomische Nachrichten (01-09-2003)
    “…We present λ/Δλ = 550 to 1200 near infrared H and K spectra for a magnitude limited sample of 79 asymptotic giant branch and cool supergiant stars in the…”
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    Journal Article
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    Hunting for Planetary Nebulae toward the Galactic Center by Hong, Jihye, Simpson, Janet P, An, Deokkeun, Cotera, Angela S, Ramírez, Solange V

    Published 10-07-2021
    “…We present near-infrared (IR) spectra of two planetary nebula (PN) candidates in close lines of sight toward the Galactic center (GC) using the Gemini…”
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    Massive Young Stellar Objects in the Galactic Center. II. Seeing Through the Ice-rich Envelopes by Jang, Dajeong, An, Deokkeun, Sellgren, Kris, Ramírez, Solange V, Boogert, A. C. Adwin, Schultheis, Mathias

    Published 31-03-2022
    “…To study the demographics of interstellar ices in the Central Molecular Zone (CMZ) of the Milky Way, we obtain near-infrared spectra of $109$ red point sources…”
    Get full text
    Journal Article
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    The Galactic Center: Not an Active Galactic Nucleus by An, Deokkeun, Ramírez, Solange V, Sellgren, Kris

    Published 01-05-2013
    “…We present 10um-35um Spitzer spectra of the interstellar medium in the Central Molecular Zone (CMZ), the central 210 pc x 60 pc of the Galactic center (GC). We…”
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    Journal Article
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    Abundant Methanol Ice toward a Massive Young Stellar Object in the Central Molecular Zone by An, Deokkeun, Sellgren, Kris, Boogert, A. C. Adwin, Ramírez, Solange V, Pyo, Tae-Soo

    Published 11-07-2017
    “…Previous radio observations revealed widespread gas-phase methanol (CH$_3$OH) in the Central Molecular Zone (CMZ) at the Galactic center (GC), but its origin…”
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    Journal Article