GRB081028 and its late-time afterglow re-brightening (2009)
Margutti, R., Genet, F., Granot, J., Duran, R. Barniol, Guidorzi, C., Chincarini, G., ...
Swift captured for the first time a smoothly rising X-ray re-brightening of clear non-flaring origin after the steep decay in a long gamma-ray burst (GRB): GRB081028. A rising phase is likely present...
A Submillimetre Search for Cold Extended Debris Disks in the Beta Pictoris Moving Group (2009)
Nilsson, R., Liseau, R., Brandeker, A., Olofsson, G., Risacher, C., Fridlund, M., ...
The Beta Pictoris Moving Group is a nearby stellar association of young (12Myr) co-moving stars including the classical debris disk star beta Pictoris. Due to their proximity and youth they are...
Odin observations of water in molecular outflows and shocks (2009)
Bjerkeli, P., Liseau, R., Olberg, M., Falgarone, E., Frisk, U., Hjalmarson, A., ...
Aims. We investigate the ortho-water abundance in outflows and shocks in order to improve our knowledge of shock chemistry and of the physics behind molecular outflows. Methods. We have used the Odin...
A detailed study of the L1641N star formation region (2008)
We search for young stellar objects (YSOs) in the L1641N cluster and characterize the star formation activity through determination of the age distribution, mass function, spatial distribution, and...
The complex light-curve of the afterglow of GRB071010A (2008)
Covino, S., D'Avanzo, P., Klotz, A., Perley, D. A., Amati, L., Campana, S., ...
We present and discuss the results of an extensive observational campaign devoted to GRB071010A, a long-duration gamma-ray burst detected by the Swift satellite. This event was followed for almost a...
q1 Eri: a solar-type star with a planet and a dust belt (2008)
Liseau, R., Risacher, C., Brandeker, A., Eiroa, C., Fridlund, M., Nilsson, R., ...
Only very few solar-type stars exhibiting an infrared excess and harbouring planets are known to date. Indeed, merely a single case of a star-planet-disk system has previously been detected at...
The complex light curve of the afterglow of GRB 071010A (2008)
Covino, S., D'Avanzo, P., Klotz, A., Perley, D. A., Amati, L., Campana, S., ...
Design and development of MIRI, the mid-IR instrument for JWST (2008)
Wright, G. S., Reike, G., Barella, P., Boeker, T., Colina, L., Van Dishoeck, E., ...
MIRI is the mid-IR instrument for the James Webb Space Telescope and provides imaging, coronography and integral field spectroscopy over the 5-28mum wavelength range. MIRI is the only instrument...
Amiaux, J., Alouadi, F., Augueres, J. L., Bouchet, P., Bouzat, M., Cavarroc, C., ...
The present paper describes the different steps leading to the Flight Model integration of the Mid-Infra Red IMager Optical Bench MIRIM-OB which is part of the scientific payload of the JWST. In...
First observations of the water vapour line at 557 GHz from the interstellar medium (2007)
Tauber Olofsson Pilbratt, J. Tauber, G. Olofsson, G. Pilbratt, L. Nordh
. We report the first results of PIROG 7, a balloon-borne platform equipped with a 60 cm telescope and a heterodyne receiver designed for observations of the 557 GHz (1 10 ! 1 01 ) line of ortho-H 2...
ISOCAM Observations of Young Low-mass Stars (2007)
G. Olofsson, A. A. Kaas, L. Nordh, S. Bontemps, M. Huldtgren, A. Abergel, ...
Abstract. One of the nearby sites of star formation, the Chamaeleon I region, is mapped in an ISOCAM survey program and we derive a preliminary luminosity function. There is a clear indication that...
A. A. Kaas, G. Olofsson, S. Bontemps, L. Nordh, M. Huldtgren, A. Abergel, ...
We present the first results of a mid-IR survey of the
G. Olofsson, A. A Kaas, S. Bontemps, L. Nordh, M. Huldtgren, A. Abergel, ...
, T. Montmerle
Herbig-Haro flows in B335 (2007)
We have observed optical (Halpha and [SII]) and near-IR (S(1) line of H2) deep fields and taken optical spectra using the 2.56m NOT, as well as a near-UV deep field (U band) using the 3.58m NTT. In...
Djupvik, A. A., Andre, Ph., Bontemps, S., Motte, F., Olofsson, G., Gaalfalk, M., ...
Aims. The aim of this paper is to characterise the star formation activity in the poorly studied embedded cluster Serpens/G3-G6, located ~ 45' (3 pc) to the south of the Serpens Cloud Core, and to...
Herbig-Haro flows in L1641N (2007)
We have used the 2.56m Nordic Optical Telescope (NOT) to observe two deep fields in L1641N, selected on the basis of previous shock studies, using the 2.12 micron transition of H2 (and a Ks filter to...
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....
Djupvik, A. A., Andre, Ph., Bontemps, S., Motte, F., Olofsson, G., Gaalfalk, M., ...
Aims. The aim of this paper is to characterise the star formation activity in the poorly studied embedded cluster Serpens/G3-G6, located ~ 45' (3 pc) to the south of the Serpens Cloud Core, and to...
Near-infrared observations of water-ice in OH/IR stars (2006)
Justtanont, K., Olofsson, G., Dijkstra, C., Meyer, A. W.
A search for the near-infrared water-ice absorption band was made in a number of very red OH/IR stars which are known to exhibit the 10um silicate absorption. As a by-product, accurate positions of...
ISOCAM observations of the L1551 star formation region (2005)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2005)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
Selective catalytic oxidation of ammonia to nitrogen at low temperature on Pt/CuO/Al2O3 (2005)
Olofsson, G, Wallenberg, LR, Andersson, A
Pt/CuO/Al2O3 catalysts with 20 wt% CuO and 0.5-4 wt% Pt were prepared and used for the selective catalytic oxidation of ammonia in wet and dry gases and in synthetic biogas with CO, hydrogen, and...
Thermal transitions of DODAB vesicular dispersions (2005)
Cocquyt, J., Olsson, U., Olofsson, G.
Two endothermic transitions, at 36 degrees C and 44 degrees C, were observed with differential scanning calorimetry (DSC) upon heating dioctadecyldimethylammonium bromide vesicle dispersions that...
ISOCAM observations of the L1551 star formation region (2004)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2004)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
Olofsson, G, Hinz, A, Andersson, A
The reaction mechanism for the selective catalytic oxidation of ammonia to give nitrogen on CuO/Al2O3, Pt/Al2O3 and Pt/CuO/Al2O3 was investigated using transient experiments. Temperature-programmed...
Da Silva, R. C., Loh, W., Olofsson, G.
The interaction of four poly(ethylene oxides), with molar masses of 1500, 3350, 10 000 and 100 000 g mol(-1) with sodium dodecylsulfate, at 15, 25, 35 and 65 degreesC was investigated by isothermal...
Cocquyt, J., Olsson, U., Olofsson, G.
Dilute dispersions of the synthetic bilayer forming double-chained cationic lipid dioctadecyldimethylammonium bromide (DODAB) were investigated. In dispersions sonicated above the chain melting...
The hydration of a DNA-amphiphile complex (2004)
Leal, C., Wadsö, L., Olofsson, G., Miguel, M. G., Wennerström, H.
We present measurements of isothermal DNA-hexadecyltrimethylammonium (DNACTA) complex and pure DNA hydration at 25 degreesC using a sorption microcalorimeter. This calorimeter provides simultaneous...
Jansson, J., Schillén, K., Olofsson, G., Da Silva, R. C., Loh, W.
Properties of nonionic triblock copolymers of poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) (EOnPOmEOn) in aqueous solution and their interaction with the ionic surfactants sodium...
ISOCAM observations of the L1551 star formation region (2004)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2004)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
ISOCAM observations of the L1551 star formation region (2004)
Gålfalk, M., Olofsson, G., Kaas, A. A., Olofsson, S., Bontemps, S., Nordh, L., ...
The results of a deep mid-IR ISOCAM survey of the L1551 dark molecular cloud are presented. The aim of this survey is a search for new YSO (Young Stellar Object) candidates, using two broad-band...
The young stellar population in the Serpens Cloud Core: An ISOCAM survey (2004)
Kaas, A. A., Olofsson, G., Bontemps, S., Andre, P., Nordh, L., Huldtgren, M., ...
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of 392 sources were...
Liseau, R., Larsson, B., Brandeker, A., Bergman, P., Bernath, P., Black, J. H., ...
Odin has successfully observed the molecular core rho Oph A in the 572.5 GHz rotational ground state line of ammonia, NH3 (J,K = 1,0 - 0,0). The interpretation of this result makes use of...
Submillimeter Emission from Water in the W3 Region (2003)
Wilson, C., Mason, A., Gregersen, E., Olofsson, A., Bergman, P., Booth, R., ...
We have mapped the submillimeter emission from the 1(10)-1(01) transition of ortho-water in the W3 star-forming region. A 5'x5' map of the W3 IRS4 and W3 IRS5 region reveals strong water lines at...
First NH3 detection of the Orion Bar (2003)
Larsson, B., Liseau, R., Bergman, P., Bernath, P., Black, J. H., Booth, R. S., ...
Odin has successfully observed three regions in the Orion A cloud, i.e. Ori KL, Ori S and the Orion Bar, in the 572.5 GHz rotational ground state line of ammonia, ortho-NH3 (J,K) = (1,0) -> (0,0),...
M. Olberg, U. Frisk, A. Lecacheux, P. Baron, P. Bergman, ...
II. Radiometer data processing and calibration
Evolution of very small particles in the southern part of Orion B observed by ISOCAM (2002)
Abergel, A., Bernard, J. P., Boulanger, F., Cesarsky, D., Falgarone, E., Jones, A., ...
We present ISOCAM observations (5-18 mum) of the southern part of Orion B, including the reflection nebula NGC 2023 and the Horsehead nebula illuminated by the B star HD 37903 and the O star sigma...
Bontemps, S, André, P, Kaas, AA, Nordh, L, Olofsson, G, Huldtgren, M, ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main rho Ophiuchi...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
Bontemps, S., Andre, P., Kaas, A. A., Nordh, L., Olofsson, G., Huldtgren, M., ...
We present the results of the first extensive mid-infrared (IR) imaging survey of the rho Ophiuchi embedded cluster, performed with the ISOCAM camera on board the ISO satellite. The main molecular...
The ISO-LWS map of the Serpens cloud core: I. The SEDs of the IR/SMM sources (2000)
Larsson, B., Liseau, R., Men'shchikov, A. B., Olofsson, G., Caux, E., Ceccarelli, C., ...
ISO-LWS mapping observations of the Serpens molecular cloud core are presented. The spectral range is 50 - 200 micron and the map size is 8' X 8'. These observations suffer from severe source...
Liseau, R, White, G J, Larsson, B, Sidher, S, Olofsson, G, Kaas, A, ...
ISOCAM observations of low-luminosity young stellar objects in the Chamaeleon dark clouds (1996)
Nordh, L, Olofsson, G, Abergel, A, Andre, P, Blommaert, Joris; U0037630, Bontemps, S, ...
We report the first results from an ISOCAM survey for low-luminosity, young stellar objects (YSOs) in nearby star formation regions. The present Letter concerns three regions within the Chamaeleon...
Monitoring of the Einstein Cross with the Nordic Optical Telscope (1995)
Oestensen, R., Refsdal, S., Stabell, R., Teuber, J., Emanuelsen, P. I., Festin, L., ...
We report results from five years of monitoring of the Einstein Cross (Q 2237+0305) with the Nordic Optical Telescope. The photometry, mainly in the R and I bands, has been performed by a PSF fitting...