Whitney, B. A., Sewilo, M., Indebetouw, R., Robitaille, T. P., Meixner, M., Gordon, K., ...
We present ~1000 new candidate Young Stellar Objects (YSOs) in the Large Magellanic Cloud selected from Spitzer Space Telescope data, as part of the Surveying the Agents of a Galaxy's Evolution...
Barbosa, C. L., Blum, R. D., Conti, P. S., Damineli, A., Figueredo, E.
We present $K$-band spectra of the near infrared counterparts to IRS2E and IRS2W which is associated with the ultracompact HII region W51d, both of them embedded sources in the Galactic compact HII...
The Stellar Content of Obscured Galactic Giant HII Regions. VI: W51A (2008)
Figueredo, E., Blum, R. D., Damineli, A., Conti, P. S., Barbosa, C. L.
We present K-band spectra of newly born OB stars in the obscured Galactic giant H II region W51A and ~ 0.8'' angular resolution images in the J, H and K_S-bands. Four objects have been...
Spitzer SAGE observations of Large Magellanic Cloud planetary nebulae (2008)
Hora, J. L., Cohen, M., Ellis, R. G., Meixner, M., Blum, R. D., Latter, W. B., ...
We present IRAC and MIPS images and photometry of a sample of previously known planetary nebulae (PNe) from the Surveying the Agents of a Galaxy's Evolution (SAGE) survey of the Large Magellanic...
SPITZER SAGE Observations of Large Magellanic Cloud Planetary Nebulae (2007)
Hora, J. L., Cohen, M., Ellis, R. G., Meixner, M., Blum, R. D., Latter, W. B., ...
We present IRAC and MIPS images and photometry of a sample of previously known planetary nebulae (PNe) from the SAGE survey of the Large Magellanic Cloud (LMC) performed with the Spitzer Space...
Blum, R. D., Mould, J. R., Olsen, K. A., Frogel, J. A., Werner, M., Meixner, M., ...
Color-magnitude diagrams (CMDs) are presented for the Spitzer SAGE (Surveying the Agents of a Galaxy's Evolution) survey of the Large Magellanic Cloud (LMC). IRAC and MIPS 24 um epoch one data are...
Massive Stars in the SGR 1806-20 Cluster (2005)
Figer, Donald F., Najarro, Francisco, Geballe, T. R., Blum, R. D., Kudritzki, Rolf P.
We report the discovery of additional hot and massive stars in the cluster surrounding the soft gamma repeater SGR 1806-20, based upon UKIRT and Keck near-infrared spectroscopy. Of the newly...
The Stellar Content of Obscured Galactic Giant HII Regions V: G333.1--0.4 (2004)
Figueredo, E., Blum, R. D., Damineli, A., Conti, P. S.
We present high angular resolution near--infrared images of the obscured Galactic Giant HII (GHII) region G333.1--0.4 in which we detect an OB star cluster. For G333.1--0.4, we find OB stars and...
Accretion Signatures from Massive Young Stellar Objects (2004)
Blum, R. D., Barbosa, C. L., Damineli, A., Conti, P. S., Ridgway, S.
High resolution (lambda / Delta-lambda = 50,000) K-band spectra of massive, embedded, young stellar objects are presented. The present sample consists of four massive young stars located in nascent...
Gemini Mid-Infrared Imaging of Massive Young Stellar Objects in NGC 3576 (2003)
Barbosa, C. L., Damineli, A., Blum, R. D., Conti, P. S.
We present a mid-infrared study of NGC 3576. The high-resolution images were taken at the Gemini South Observatory through narrow and broad band filters centered between 7.9 micron and 18 micron. The...
Really Cool Stars and the Star Formation History at the Galactic Center (2003)
Blum, R. D., Ramirez, Solange V., Sellgren, K., Olsen, K.
We present R=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 central ~ 5 pc (diameter) of the Galaxy. We use a...
Homeier, N., Blum, R. D., Pasquali, A., Conti, P. S., Damineli, A.
We present follow-up spectroscopy of emission line candidates detected on near-infrared narrow band images in the inner Galaxy (Homeier et al. 2003). The filters are optimized for the detection of...
N. L. Homeier, R. D. Blum, A. Pasquali, P. S. Conti, A. Damineli
Abstract. We present follow-up spectroscopy of emission line candidates detected on near-infrared narrow band images in the inner Galaxy (Homeier et al. 2003). The filters are optimized for the...
A near-infrared survey for Galactic Wolf-Rayet stars (2002)
Homeier, N. L., Blum, R. D., Conti, P. S., Damineli, A.
Initial results, techniques, and rationale for a near-infrared survey of evolved emission-line stars toward the Galactic Center are presented. We use images taken through narrow-band emission-line...
The Stellar Content of Obscured Galactic Giant H II Regions IV.: NGC3576 (2002)
Figueredo, E., Blum, R. D., Damineli, A., Conti, P. S.
We present deep, high angular resolution near-infrared images of the obscured Galactic Giant H II region NGC3576. Our images reach objects to ~3M_sun. We collected high signal-to-noise K-band spectra...
Optical and Infrared Spectroscopy of SN 1999ee and SN 1999ex (2002)
Hamuy, Mario, Maza, Jose, Pinto, Philip A., Phillips, M. M., Suntzeff, Nicholas B., Blum, R. D., ...
We report optical and infrared spectroscopic observations of the Type Ia SN 1999ee and the Type Ib/c SN 1999ex, both of which were hosted by the galaxy IC 5179. For SN 1999ee we obtained a continuous...
Optical and infrared spectroscopy of SN 1999ee and SN 1999ex (2002)
Hamuy, M., Maza, J., Pinto, P. A., Phillips, M. M., Suntzeff, N. B., Blum, R. D., ...
Optical and Infrared Spectroscopy of SN 1999ee and SN 1999ex. (2002)
Hamuy, M., Maza, J., Pinto, P.A., Phillips, M.M., Suntzeff, N.B., Blum, R.D., ...
2 um Narrow-band Adaptive Optics Imaging in the Arches Cluster (2001)
Blum, R. D., Schaerer, D., Pasquali, A., Heydari-Malayeri, M., Conti, P. S., Schmutz, W.
Canada-France-Hawaii-Telescope adaptive optics bonnette images through narrow-band filters in the $K-$band are presented for the Arches cluster. Continuum fluxes, line fluxes, and equivalent widths...
The Stellar Content of Obscured Galactic Giant H II Regions III.: W31 (2001)
Blum, R. D., Damineli, A., Conti, P. S.
We present near infrared (J, H, and K) photometry and moderate resolution (lambda/Deltalambda = 3000) K-band spectroscopy of the embedded stellar cluster in the giant H II region W31. Four of the...
The Stellar Content of Obscured Galactic Giant H II Regions: II. W42 (2000)
Blum, R. D., Conti, P. S., Damineli, A.
We present near infrared J, H, and K images and K-band spectroscopy in the giant HII region W42. A massive star cluster is revealed; the color-color plot and K-band spectroscopic morphology of two of...
The Stellar Content of Obscured Galactic Giant H II Regions (1998)
Blum, R. D., Damineli, A., Conti, P. S.
Near infrared images of the Galactic giant HII region W43 reveal a dense stellar cluster at its center. Broad band JHK photometry of the young cluster and K-band spectra of three of its bright stars...
2 um Narrow-Band Imaging of the Sagittarius D H II region (1998)
We present 2 um narrow-band images of the core H II region in the Galactic star forming region Sagittarius D. The emission-line images are centered on 2.17 um (Brgamma) and 2.06 um (He I). The H II...
H-Band Spectroscopic Classification of OB Stars (1997)
Blum, R. D., Ramond, T. M., Conti, P. S., Figer, D. F., Sellgren, K.
We present a new spectroscopic classification for OB stars based on H-band (1.5 micron to 1.8 micron) observations of a sample of stars with optical spectral types. Our initial sample of nine stars...
Really Cool Stars at the Galactic Center (1996)
Blum, R. D., Sellgren, K., DePoy, D. L.
New and existing K-band spectra for 19 Galactic center late-type stars have been analyzed along with representative spectra of disk and bulge M giants and supergiants. Absorption strengths for strong...
JHKL Photometry and the K-band Luminosity Function at the Galactic Center (1996)
Blum, R. D., Sellgren, K., DePoy, D. L.
J, H, K, and L photometry for the stars in the central 2' (5 pc) of the Galaxy are presented. Using the observed J-H, H-K, and K-L colors and assumed intrinsic colors, we determine the interstellar...