NICMOS Temperature Monitoring (2009)
A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, T. Wiklind, T. Wheeler
Abstract. The NICMOS detectors are sensitive to the operating temperature. During the Cycle 7 era, NICMOS was cooled through cryogenic solid nitrogen. This resulted in an operating temperature...
A. M. Koekemoer, P. Goudfrooij, L. L. Dressel, K. Sembach, M. Sirianni, S. Arribas, ...
Abstract. The Hubble Space Telescope is now operating with an attitude control system that relies upon inputs from two mechanical gas bearing gyroscopes and the Fine Guidance Sensors to provide fine...
A Survey for Redshifted Molecular and Atomic Absorption Lines II (2008)
Curran, S. J., Whiting, M. T., Wiklind, T., Webb, J. K., Murphy, M. T., Purcell, C. R.
We present the results of a z>2.9 survey for HI 21-cm and molecular absorption in the hosts of radio quasars using the GMRT and the Tidbinbilla 70-m telescope. Previously published searches, which...
Liske, J., Pasquini, L., Bonifacio, P., Bouchy, F., Carswell, R. F., Cristiani, S., ...
CODEX and ESPRESSO are concepts for ultra-stable, high-resolution spectrographs at the E-ELT and VLT, respectively. Both instruments are well motivated by distinct sets of science drivers. However,...
Cosmic dynamics in the era of Extremely Large Telescopes (2008)
Liske, J., Grazian, A., Vanzella, E., Dessauges, M., Viel, M., Pasquini, L., ...
The redshifts of all cosmologically distant sources are expected to experience a small, systematic drift as a function of time due to the evolution of the Universe's expansion rate. A measurement of...
Instrument Science Report NICMOS 2008-004 Summary of NICMOS SMOV4 Plans (2008)
T. Wiklind, E. Barker, E. Bergeron, T. Dahlen, R. De Jong, A. Koekemoer, ...
This ISR outlines the NICMOS plan for Servicing Mission Observatory Verification 4 (SMOV4). It presents the NICMOS requirements, the planned activities to fulfill these requirements and a brief plan...
A Search for Molecular Absorption in the Tori of Active Galactic Nuclei (2007)
Drinkwater Combes Wiklind, M. J. Drinkwater, F. Combes, T. Wiklind
. We describe a search for molecular absorption at millimetre wavelengths associated with dusty molecular tori in active galactic nuclei (AGN). The sample observed consists of 11 flat-spectrum radio...
S. Huttemeister, C. Henkel, R. Mauersberger, N. Brouillet, T. Wiklind, T. J. Millar
A&A manuscript no. (will be inserted by hand later) Your thesaurus codes are:
A Population of Massive and Evolved Galaxies at z$\ga$5 (2007)
Wiklind, T., Dickinson, M., Ferguson, H. C., Giavalisco, M., Mobasher, B., Grogin, N. A., ...
We report results from a search for massive and evolved galaxies at z>5 in the GOODS southern field. Combining HST ACS, VLT ISAAC and Spitzer IRAC photometric data, we develop a color selection...
Dense gas in luminous infrared galaxies (2007)
Baan, W. A., Henkel, C., Loenen, A. F., Baudry, A., Wiklind, T.
Molecules that trace the high-density regions of the interstellar medium have been observed in (ultra-)luminous (far-)infrared galaxies, in order to initiate multiple-molecule multiple-transition...
Distribution of the molecular absorption in front of the quasar B0218+357 (2007)
Muller, S., Guelin, M., Combes, F., Wiklind, T.
The line of sight to the quasar B0218+357, one of the most studied lensed systems, intercepts a z=0.68 spiral galaxy, which splits its image into two main components A and B, separated by ca. 0.3'',...
Upper limits to the water abundance in starburst galaxies (2007)
Wilson, C. D., Booth, R. S., Oloffson, A. O. H., Olberg, M., Persson, C. M., Sandqvist, Aa., ...
We have searched for emission from the 557 GHz ortho-water line in the interstellar medium of six nearby starburst galaxies. We used the Odin satellite to observe the 1_10-1_01 transition of o-H2O in...
Highly-excited CO emission in APM08279+5255 at z=3.9 (2007)
Weiss, A., Downes, D., Neri, R., Walter, F., Henkel, C., Wilner, D. J., ...
We report the detection of the CO 4-3, 6-5, 9-8, 10-9, and 11-10 lines in the Broad Absorption Line quasar APM08279+5255 at z=3.9 using the IRAM 30m telescope. We also present IRAM PdBI high spatial...
Molecular oxygen in the rho Ophiuchi cloud (2007)
Larsson, B., Liseau, R., Pagani, L., Bergman, P., Bernath, P., Biver, N., ...
Molecular oxygen, O2 has been expected historically to be an abundant component of the chemical species in molecular clouds and, as such, an important coolant of the dense interstellar medium....
Highly-excited CO emission in APM 08279+5255 at z = 3.9 (2007)
Weiß, A., Downes, D., Neri, R., Walter, F., Henkel, C., Wilner, D. J., ...
We report the detection of the CO 4-3, 6-5, 9-8, 10-9, and 11-10 lines in the Broad Absorption Line quasar APM 08279+5255 at z=3.9 using the IRAM 30 m telescope. We also present IRAM PdBI high...
Atomic Carbon in APM 08279+5255 at z=3.91 (2006)
Wagg, J., Wilner, D. J., Neri, R., Downes, D., Wiklind, T.
We present a detection of [CI] line emission in the lensed quasar APM 08279+5255 at z=3.91 using the IRAM Plateau de Bure interferometer. The [CI] line velocity and width are similar to the values of...
Kanekar, N., Carilli, C. L., Langston, G. I., Rocha, G., Combes, F., Subrahmanyan, R., ...
We have detected the four 18cm OH lines from the $z \sim 0.765$ gravitational lens toward PMN J0134-0931. The 1612 and 1720 MHz lines are in conjugate absorption and emission, providing a laboratory...
HCN J=5-4 Emission in APM08279+5255 at z=3.91 (2005)
Wagg, J., Wilner, D. J., Neri, R., Downes, D., Wiklind, T.
We detect HCN J=5-4 emission from the ultraluminous quasar APM08279+5255 at z=3.911 using the IRAM Plateau de Bure interferometer. This object is strongly gravitationally lensed, yet still thought to...
Evidence for a Massive Post-Starburst Galaxy at z ~ 6.5 (2005)
Mobasher, B., Dickinson, M., Ferguson, H. C., Giavalisco, M., Wiklind, T., Stark, D., ...
We present results from a search for high-redshift J--band ``dropout'' galaxies in the portion of the GOODS southern field that is covered by extremely deep imaging from the Hubble Ultradeep Field...
Direct evidence for an early reionization of the Universe? (2005)
Panagia, N., Fall, S. M., Mobasher, B., Dickinson, M., Ferguson, H. C., Giavalisco, M., ...
We examine the possible reionization of the intergalactic medium (IGM) by the source UDF033238.7-274839.8 (hereafter HUDF-JD2), which was discovered in deep {\it HST}/VLT/{\it Spitzer} images...
Resmi, L, Chandra, Ishwara CH, Tirado, Castro AJ, Bhattacharya, D, Rao, AP, Bremer, M, ...
We present radio, millimeter and optical observations of the afterglow of GRB 030329. $UBVR_CI_C$ photometry is presented for a period of 3 h to 34 days after the burst. Radio monitoring at 1280 MHz...
Resmi, L, Chandra, Ishwara CH, Tirado, Castro AJ, Bhattacharya, D, Rao, AP, Bremer, M, ...
We present radio, millimeter and optical observations of the afterglow of GRB 030329. $UBVR_CI_C$ photometry is presented for a period of 3 h to 34 days after the burst. Radio monitoring at 1280 MHz...
Molecular gas in the galaxy M83. II - Kinematics of the molecular gas (2004)
Lundgren, A. A., Olofsson, H., Wiklind, T., Rydbeck, G.
We present the kinematics of the molecular gas in the barred spiral galaxy M83 (NGC5236). The study is based on ^{12}CO(J=1--0 and 2--1) observations with the Swedish-ESO Submillimetre Telescope...
Molecular gas in the galaxy M83. I - The molecular gas distribution (2003)
Lundgren, A. A., Wiklind, T., Olofsson, H., Rydbeck, G.
We present CO(1-0) and CO(2-1) Swedish-ESO Submillimetre Telescope (SEST) observations of the barred spiral galaxy M83 (NGC5236). The maps cover the entire optical disk. The CO emission is strongly...
The Nature of Submm-Detected Galaxies (2002)
De Mello, Duilia, Wiklind, T., Leitherer, C., Pontoppidan, K.
We present high resolution VLT spectra of 2 submm-detected galaxies. Diagnostic stellar absorption lines (Starburst99) are used to analyse their stellar population. SMM J14011+0252 (z=2.565) shows...
Gamma-ray bursts: the most powerful cosmic explosions (2002)
Kaper, L., Castro-Tirado, A.J., Fruchter, A., Greiner, J., Hjorth, J., Pian, E., ...
Contents: The GRACE consortium. GRBs and their afterglows. Evidence for collimation. The origin of GRBs: possible progenitors. The supernova connection. GRB host galaxies.
Murphy, M. T., Webb, J. K., Flambaum, V. V., Drinkwater, M. J., Combes, F., Wiklind, T.
Quasar (QSO) absorption spectra provide an extremely useful probe of possible cosmological variation in various physical constants. Comparison of H i 21-cm absorption with corresponding molecular...
Molecular gas and dust in NGC4550: A galaxy with two counterrotating stellar disks (2001)
We report the detection of 1 10^7 M_sun of molecular gas in the central region of the S0/E7 galaxy NGC4550, inferred from observations of CO(1-0) emission. Dust is detected in HST WFPC2 images and...
Cold gas in elliptical galaxies (2001)
Georgakakis, A., Hopkins, A. M., Caulton, A., Wiklind, T., Terlevich, A. I., Forbes, D. A.
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find...
Murphy, M. T., Webb, J. K., Flambaum, V. V., Drinkwater, M. J., Combes, F., Wiklind, T.
QSO absorption spectra provide an extremely useful probe of possible cosmological variation in various physical constants. Comparison of H I 21cm absorption with corresponding molecular (rotational)...
Cold gas in elliptical galaxies (2001)
Caulton, A., Forbes, Duncan A., Georgakakis, Antonis, Hopkins, A. M., Wiklind, T.
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find...
Cold gas in elliptical galaxies (2001)
Georgakakis, Antonis, Hopkins, A. M., Caulton, A., Wiklind, T., Terlevich, A. I., Forbes, Duncan A.
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find...
Murphy, M. T., Webb, J. K., Flambaum, V. V., Drinkwater, M. J., Combes, F., Wiklind, T.
Quasar (QSO) absorption spectra provide an extremely useful probe of possible cosmological variation in various physical constants. Comparison of H i 21-cm absorption with corresponding molecular...
Cold gas in elliptical galaxies (2001)
Caulton, A., Forbes, Duncan A., Georgakakis, Antonis, Hopkins, A. M., Wiklind, T.
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find...
Cold gas in elliptical galaxies (2001)
Caulton, A., Forbes, Duncan A., Georgakakis, Antonis, Hopkins, A. M., Wiklind, T.
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find...
Murphy, M. T., Webb, J. K., Flambaum, V. V., Drinkwater, M. J., Combes, F., Wiklind, T.
Quasar (QSO) absorption spectra provide an extremely useful probe of possible cosmological variation in various physical constants. Comparison of H i 21-cm absorption with corresponding molecular...
Cold gas in elliptical galaxies (2001)
Georgakakis, Antonis, Hopkins, A. M., Caulton, A., Wiklind, T., Terlevich, A. I., Forbes, Duncan A.
We explore the evolution of the cold gas (molecular and neutral hydrogen) of elliptical galaxies and merger remnants ordered into a time sequence on the basis of spectroscopic age estimates. We find...
IRAM observations of JVAS/CLASS gravitational lenses (2000)
Xanthopoulos, E., Combes, F., Wiklind, T.
We have searched for molecular absorption lines at millimeter wavelengths in eleven gravitational lens systems discovered in the JVAS/CLASS surveys of flat spectrum radio sources. Spectra of only one...
Distortion of the SED of High-z Luminous Infrared Galaxies by Strong Lensing (1999)
Pontoppidan, K. M., Wiklind, T.
We present a model to estimate the effect of differential magnification on the SED of high-z ULIRGs. It is found that the ratio of the high temperature component to the low temperature component can...
Time Delay of PKS1830-211 Using Molecular Absorption Lines (1999)
The use of molecular absorption lines in deriving the timde delay in PKS1830-211 is described, as well as results from a three year monitoring campaign. The time delay and the implied value for the...
Downes, D., Neri, R., Wiklind, T., Wilner, D. J., Shaver, P.
We detected with the IRAM interferometer the lines of CO(4-3) and CO(9-8) from the recently-discovered broad absorption line quasar APM 08279+5255. The molecular lines are at a redshift of 3.911,...
Search for LiH in the ISM towards B0218+357 (1998)
We report a tentative detection with the IRAM 30m telescope of the LiH molecule in absorption in front of the lensed quasar B0218+357. We have searched for the J = 0 -- 1 rotational line of lithium...
Molecular lines in absorption: recent results (1997)
Some recent results are presented about high redshift molecular absorption lines, namely about chemical abundances of elements, and in particular of water and molecular oxygen. Excitation...
New upper limits on the interstellar O2 abundance (1997)
Combes, F., Wiklind, T., Nakai, N., Observatory, Paris, Observatory, Onsala, Observatory, Nobeyama
We report new observations of molecular oxygen in absorption at z=0.685 in front of the radio source B0218+357. The lines at 56.3 and 118.7 GHz have been observed, redshifted to 33.4 and 70.5 GHz...
Detection of water at z = 0.685 towards B0218+357 (1997)
We report the detection of the H_2O molecule in absorption at a redshift z = 0.68466 in front of the gravitationally lensed quasar B0218+357. We detect the fundamental transition of ortho-water at...
Search for molecular absorption in the tori of active galactic nuclei (1996)
Drinkwater, M., Combes, F., Wiklind, T.
We describe a search for molecular absorption at millimetre wavelengths associated with dusty molecular tori in active galactic nuclei (AGN). The sample observed consists of 11 flat-spectrum radio...