Young Brown Dwarfs in the Core of the W3 Main Star-Forming Region (2008)
Ojha, D. K., Tamura, M., Nakajima, Y., Saito, H., Pandey, A. K., Ghosh, S. K., ...
We present the results of deep and high-resolution (FWHM ~ 0".35) JHK NIR observations with the Subaru telescope, to search for very low mass young stellar objects (YSOs) in the W3 Main star-forming...
Anandarao, B. G., Raman, V. Venkata, Ghosh, S. K., Ojha, D. K., Kumar, M. S. N.
IRAS 21413+5442 and IRAS 21407+5441 are two massive star forming regions of high luminosity, likely associated with each other. Near-infrared photometry on these two IRAS sources was performed at...
Vig, S., Ghosh, S. K., Ojha, D. K., Verma, R. P.
The physical conditions of the interstellar medium and stellar components in the regions of the southern Galactic star forming complexes associated with IRAS 10049-5657 and IRAS 10031-5632 have been...
Singh, Surendra, Basu, Saibal, Ghosh, S. K.
We present a detailed study of the interface morphology of an electro-deposited (ED) Ni/Cu bilayer film by using off-specular (diffuse) neutron reflectivity technique and Atomic Force Microscopy...
Stellar contents and star formation in the young open cluster Stock 8 (2008)
Jose, J, Pandey, A. K, Ojha, D. K, Ogura, K, Chen, W. P, Bhatt, B. C, ...
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Stellar contents and star formation in the young star cluster Be 59 (2008)
Pandey, A. K, Sharma, S, Ogura, K, Ojha, D. K, Chen, W. P, Bhatt, B. C, ...
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Stellar contents and star formation in the young open cluster Stock 8 (2007)
Jose, Jessy, Pandey, A. K., Ojha, D. K., Ogura, K., Chen, W. P., Bhatt, B. C., ...
We present $UBVI_c$ CCD photometry of the young open cluster Stock 8 with the aim to study the basic properties and star formation scenario in this region. The radius of the cluster is found to be...
A Multiwavelength Study of Galactic H II Region Sh 2-294 (2007)
Samal, M. R, Pandey, A. K, Ojha, D. K, Ghosh, S. K, Kulkarni, V. K, Bhatt, B. C
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Stellar contents and star formation in the young star cluster Be 59 (2007)
Pandey, A. K., Sharma, Saurabh, Ogura, K., Ojha, D. K., Chen, W. P., Bhatt, B. C., ...
We present $UBVI_C$ CCD photometry of the young open cluster Be 59 with the aim to study the star formation scenario in the cluster. The radial extent of the cluster is found to be $\sim$ 10 arcmin...
Star formation in young star cluster NGC1893 (2007)
Sharma, S, Pandey, A. K, Ojha, D. K, Chen, W. P, Ghosh, S. K, Bhatt, B. C, ...
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A multiwavelength study of Galactic HII region Sh2-294 (2007)
Samal, M. R., Pandey, A. K., Ojha, D. K., Ghosh, S. K., Kulkarni, V. K., Bhatt, B. C.
We present the observational results of Galactic HII region S294, using optical photometry, narrow-band imaging and radio continuum mapping at 1280 MHz, together with archival data from 2MASS, MSX...
Star formation in young star cluster NGC 1893 (2007)
Sharma, Saurabh, Pandey, A. K., Ojha, D. K., Chen, W. P., Ghosh, S. K., Bhatt, B. C., ...
We present a comprehensive multi-wavelength study of the star-forming region NGC 1893 to explore the effects of massive stars on low-mass star formation. Using near-infrared colours, slitless...
A multiwavelength study of the ultracompact HII region associated with IRAS 20178+4046 (2007)
Tej, A., Ghosh, S. K., Kulkarni, V. K., Ojha, D. K., Verma, R. P., Vig, S.
We present a multiwavelength study of the ultra compact HII region associated with IRAS 20178+4046. This enables us to probe the different components associated with this massive star forming region....
Structure of mesh phases in a cationic surfactant system with strongly bound counterions (2007)
Ghosh, S.K., Ganapathy, R., Krishnaswamy, Rema, Bellare, J., Raghunathan, V.A., Sood, A.K.
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Infrared study of the Southern Galactic star forming region associated with IRAS 14416-5937 (2006)
Vig, S., Ghosh, S. K., Ojha, D. K., Verma, R. P.
Aims: We have carried out an infrared study of the southern Galactic massive star forming region associated with IRAS 14416-5937. Methods: This star forming region has been mapped simultaneously in...
High-Mass Star Formation through Far-Infrared Studies (2006)
R. P. Verma, S. K. Ghosh, T. N. Rengarajan
High-Mass Star Formation through Far-Infrared Studies
Working Group Report: Heavy-Ion Physics and Quark-Gluon Plasma (2006)
Mustafa, Munshi G., Raniwala, Sudhir, Awes, T., Rai, B., Bhalerao, R. S., Contreras, J. G., ...
This is the report of Heavy Ion Physics and Quark-Gluon Plasma at WHEPP-09 which was part of Working Group-4. Discussion and work on some aspects of Quark-Gluon Plasma believed to have created in...
A multiwavelength study of the massive star-forming region IRAS 06055+2039 (RAFGL 5179) (2006)
Tej, A, Ojha, D. K, Ghosh, S. K, Kulkarni, V. K, Verma, R. P, Vig, S, ...
Aims.We present a multiwavelength study of the massive star-forming region associated with IRAS 06055+2039. Methods.Narrow-band near-infrared (NIR) observations were carried out with UKIRT-UFTI in...
Post-Outburst Phase of McNeil's Nebula (V1647 Orionis) (2006)
Ojha, D. K., Ghosh, S. K., Tej, A., Verma, R. P., Vig, S., Anupama, G. C., ...
We present a detailed study of the post-outburst phase of McNeil's nebula (V1647 Ori) using optical B,V,R,I and NIR J,H,K photometric and low resolution optical spectroscopic observations. The...
A multiwavelength study of the massive star forming region IRAS 06055+2039 (RAFGL 5179) (2006)
Tej, A., Ojha, D. K., Ghosh, S. K., Kulkarni, V. K., Verma, R. P., Vig, S., ...
We present a multiwavelength study of the massive star forming region associated with IRAS 06055+2039 which reveals an interesting scenario of this complex where regions are at different stages of...
Performance Analysis of Oil Injected Twin Screw Compressor (2006)
Seshaiah, N, Ghosh, S K, Sahoo, R K, Sarangi, S K
Copyright of this paper belongs to IIT-Guwahati, India
Computation Velocity, Pressure, Temperature Profiles in Cryogenic Turboexpander (2006)
Ghosh, S K, Seshaiah, N, Sahoo, R K, Sarangi, S K
Copyright for this article belongs to IIT-Guwahati, India
Mathematical Modeling of the Working Cycle of Oil Injected Rotary Twin Screw Compressor (2006)
Seshaiah, N, Ghosh, S K, Sahoo, R K, Sarangi, S K
Copyright for the published version belongs to Elsevier, This is author version postprint
Post-outburst phase of McNeil's nebula (V1647 Orionis) (2006)
Ojha, D. K, Ghosh, S. K, Tej, A, Verma, R. P, Vig, S, Anupama, G. C, ...
We present a detailed study of the post-outburst phase of McNeil's nebula (V1647 Orionis) using optical B, V, R, I and near-infrared (NIR) J, H, K photometric and low-resolution optical spectroscopic...
Post-outburst radio observation of the region around McNeil's nebula (V1647 Ori) (2005)
Vig, S., Ghosh, S. K., Kulkarni, V. K., Ojha, D. K.
We present post-outburst (~ 100 days after outburst) radio continuum observation of the region (~ 30' x 30') around McNeil's nebula (V1647 Orionis). The observations were carried out using the Giant...
Vig, S., Ghosh, S. K., Kulkarni, V. K., Ojha, D. K., Verma, R. P.
A multiwavelength study of the star forming regions associated with IRAS 19111+1048 and IRAS 19110+1045 has been carried out. These have been simultaneously mapped in two far infrared bands at...
Star formation studies at TIFR (2005)
Studies of Galactic star forming regions being carried out at TIFR, is summarized. The techniques and typical results from these studies have been described brie y, which include: the balloon borne...
Warp signatures of the Galactic disk as seen in mid infrared from Midcourse Space Experiment (2005)
Vig, S., Ghosh, S. K., Ojha, D. K.
The gross features in the distribution of stars as well as warm (T >~ 100 K) interstellar dust in the Galactic disk have been investigated using the recent mid infrared survey by Midcourse Space...
Mathematical Analysis of Oil injected Twin Screw Compressor (2005)
Seshaiah, N, Ghosh, S K, Sahoo, R K, Sarangi, S K
Mathematical analysis of oil injected twin screw compressor is carried out on the basis of the laws of perfect gas, and standard thermodynamic relations. Performance of an oil injected twin-screw...
Design of Turboexpander for Cryogenic Applications (2005)
Ghosh, S K, Seshaiah, N, Sahoo, R K, Sarangi, S K
Copyright for this article belongs to Indian Cryogenic Council, Kolkatta
Krishnaswamy, Rema, Ghosh, S.K., Lakshmanan, S., Raghunathan, V.A., Sood, A.K.
Restricted Access.
A near-infrared study of the NGC 7538 star forming region (2004)
Ojha, D. K., Tamura, M., Nakajima, Y., Fukagawa, M., Sugitani, K., Nagashima, C., ...
We present sub-arcsecond (FWHM ~ 0".7), NIR JHKs-band images and a high sensitivity radio continuum image at 1280 MHz, using SIRIUS on UH 88-inch telescope and GMRT. The NIR survey covers an area of...
AMO - Advanced Modeling and Optimization, Volume 6, Number 1, (2004)
An inventory model is developed for a deteriorating item having an instantaneous supply, a quadratic time-varying demand and shortages in inventory. A two-parameter Weibull distribution is taken to...
Wide-Area Mapping of 155 Micron Continuum Emission from the Orion Molecular Cloud Complex (2004)
Arimura, S., Shibai, H., Teshima, T., Nakagawa, T., Narita, M., Makiuti, S., ...
We present the results of a wide-area mapping of the far-infrared continuum emission toward the Orion complex by using a Japanese balloon-borne telescope. The 155-um continuum emission was detected...
Ojha, D. K., Ghosh, S. K., Kulkarni, V. K., Testi, L., Verma, R. P., Vig, S.
We present infrared and radio continuum observations of S 201 star forming region. A massive star cluster is observed in this region, which contains different classes of young stellar objects. The...
Mapping of Large Scale 158 micron [CII] Line Emission: Orion A (2003)
Mookerjea, B., Ghosh, S. K., Kaneda, H., Nakagawa, T., Ojha, D. K., Rengarajan, T. N., ...
We present the first results of an observational programme undertaken to map the fine structure line emission of singly ionized carbon ([CII] 157.7409 micron) over extended regions using a Fabry...
R. P. Verma, S. K. Ghosh, T. N. Rengarajan
RCW 106, a high-mass star-forming complex, two compact H II regions and a CO clump have been observed in the far infrared (at 150 and 210 m) using the TIFR 1 m balloon-borne telescope. Maps of...
R. P. Verma, S. K. Ghosh, T. N. Rengarajan
RCW 106, a high-mass star-forming complex, two compact H II regions and a CO clump have been observed in the far infrared (at 150 and 210m) using the TIFR 1 m balloon-borne telescope. Maps of...
Relative Fractal Coding and Its Application in Satellite Image Compression (2002)
S. K. Ghosh, J. Mukhopadhyay, V. M. Chowdary, A. Jeyaram
A new approach of relative fractal coding has been presented in this paper. In this technique given the fractal code of a reference image, one can generate a relative fractal code of any other image...
Far and mid infrared observations of two ultracompact H II regions and one compact CO clump (2002)
Verma, R. P., Ghosh, S. K., Mookerjea, B., Rengarajan, T. N.
Two ultracompact H II regions (IRAS 19181+1349 and 20178+4046) and one compact molecular clump (20286+4105) have been observed at far infrared wavelengths using the TIFR 1 m balloon-borne telescope...
For over 4 decades the antimalarial program in India has been prescribing a 5-day primaquine regimen as an antirelapse therapy to treat Plasmodium vivax malaria. In view of conflicting reports on the...
First light observations with TIFR near-infrared camera (2002)
Ojha, D. K, Ghosh, S. K, Verma, R. P, Chakraborti, A, Anandarao, B. G
The TIFR near-infrared camera (TmCAM) is based on the SBRC InSb focal plane array (58x62 pixels) sensitive between 1-5 pm. TIRCAM had its first engineering run at Gurusikhar 1.2 meter PRL telescope...
Recently the Midcourse Space Experiment (MSX) has surveyed the Galactic plane in mainly four infrared bands between 6 and 25 micron. Two of these bands cover several Unidentified Infrared emission...
Far infrared mapping of three Galactic star forming regions : W3(OH), S 209 & S 187 (2001)
Ghosh, S. K., Mookerjea, B., Rengarajan, T. N., Tandon, S. N., Verma, R. P.
Three Galactic star forming regions associated with W3(OH), S209 and S187 have been simultaneously mapped in two trans-IRAS far infrared (FIR) bands centered at ~ 140 and 200 micron using the TIFR...
Study of star formation in RCW 106 using far infrared observations (2001)
Karnik, A. D., Ghosh, S. K., Rengarajan, T. N., Verma, R. P.
High resolution far-infrared observations of a large area of the star forming complex RCW 106 obtained using the TIFR 1-metre balloon-borne telescope are presented. Intensity maps have been obtained...
Ghosh, S. K., Mookerjea, B., Rengarajan, T. N., Tandon, S. N., Verma, R. P.
The Galactic star forming region in the southern sky, associated with IRAS 09002-4732 has been mapped simultaneously in two far infrared bands (148 & 209 um), with ~ 1' angular resolution. Fifteen...
A new scheme of radiation transfer in H II regions including transient heating of grains (2000)
A new scheme of radiation transfer for understanding infrared spectra of H II regions, has been developed. This scheme considers non-equilibrium processes (e. g. transient heating of the very small...
Distribution of Cold dust in Orion A and B (2000)
Mookerjea, B., Ghosh, S. K., Rengarajan, T. N., Tandon, S. N., Verma, R. P.
Large scale far-infrared (FIR) observations of the Orion complex at 205 and 138 micron are presented with an aim of studying the distribution of cold (< 25 K) dust. The maps in these FIR bands extend...
Far Infrared Study of IRAS 00494+5617 & IRAS 05327-0457 (2000)
Mookerjea, B., Ghosh, S. K., Rengarajan, T. N., Tandon, S. N., Verma, R. P.
High angular resolution far-infrared observations at 143 & 185 \micron, using the TIFR 1-m balloon borne telescope, are presented for two Galactic star forming complexes associated with IRAS...
Mid-and far-infrared studies of galactic compact H II regions (2000)
Several Galactic H II region complexes have been observed in the far infrared (FIR) wavebands using the TIFR 1-m balloon borne telescope, and in the mid infrared (MIR) using the Infrared Space...
Ghosh, S. K, Iyengar, K. V. K, Karnik, A. D, Rengarajan, T. N
Three compact IRAS sources -- IRAS 06056+2131, 06058+2138 and 06061+2151 in the Sh 247 complex and having IRAS colours typical of compact H II regions have been observed in the far-infrared using the...
Naik, M. V., D'Costa, S. L., Ghosh, S. K., Mookerjea, B., Ojha, D. K., Verma, R. P.
The observational and operational efficiency of the TIFR 1 meter balloon borne far infrared telescope has been improved by incorporating a multielement solid state optical photometer (SSOP) at the...
Infrared emission from interstellar dust cloud with two embedded sources: IRAS 19181+1349 (1999)
Mid and far infrared maps of many Galactic star forming regions show multiple peaks in close proximity, implying more than one embedded energy sources. With the aim of understanding such interstellar...
Mookerjea, Bhaswati, Ghosh, S. K.
Embedded Young Stellar Objects (YSO) in dense interstellar clouds is treated self-consistently to understand their spectral energy distributions (SED). Radiative transfer calculations in spherical...
Mookerjea, B., Ghosh, S. K., Karnik, A. D., Rengarajan, T. N., Tandon, S. N., Verma, R. P.
Two Galactic star forming regions, one in a very early phase of evolution and another evolved one, associated with the IRAS sources 00338+6312 and 03595+5110 (RAFGL 5111) respectively have been...
Infrared spectroscopic diagnostics for initial mass function (1999)
The diagnostic values of various atomic/ nebular infrared spectral lines of relatively abundant elements (in different ionization states) in Galactic star forming regions, have been studied...
Infrared emission from IRAS 00338+6312 (1999)
Mookerjea, B, Ghosh, S. K, Karnik, A. D, Rengarajan, T. N, Tandon, S. N, Verma, R. P
The Galactic star forming region associated with IRAS 00338+6312 has been mapped in 2 Far Infrared (FIR) bands centered around 140 & 185 μm, using the TIFR 100 cm balloon-borne telescope with liquid...
Mid-infrared observations of three compact HII regions and PAH emission (1999)
Verma, R. P, Ghosh, S. K, Karnik, A. D, Mookerjea, B, Rengarajan, T. N
Modelling infrared spectra of a few compact HII regions (1999)
The observed near infrared to sub-mm spectra of five compact HII regions, viz., IRAS 18116-1646, 18162-2048, 19422+2427, 22308+5812 and 18434-0242, consisting of the continuum as well as several...
Infrared spectral energy distribution of four star forming regions (1999)
Karnik, A. D, Ghosh, S. K, Rengarajan, T. N, Tandon, S. N, Verma, R. P
Star forming regions associated with IRAS 19181+1349, 20255+3712, 20178+4046 and 10049+5657 have been mapped simultaneously in two far infrared bands (λeff ~ 130 and 210 µm), using TIFR 1m balloon...
Infrared diagnostics for compact HII regions- I (1999)
Compact H II regions have been modelled realistically covering multidimensional parameter space in an effort to develop diagnostic tools. These models consist of embedded exciting ZAMS stars with a...
Infrared diagnostics for compact HII regions- II (1999)
Compact H II regions have been realistically modelled to identify the wavelength regime and type of observables, which are crucial for understanding the physical conditions of the same. Spherically...
Kingsburg,J. A., Pool,D. A., Ghosh,S. K., Malthouse,N. S., Rouillier,G. J.
This Algorithmic Specification establishes the design criteria for four advanced automation software functions to be included in the initial software package of the Advanced Automation System (AAS)....
Diseño de estructuras de concreto conforme al reglamento ACI 318-89 (1995)
Portland Cement Association, Ghosh, S.K. (Satyendra Kumar) (ed.), Rabbat, Basile G. (ed.)
Traducción de: Notes on ACI 318-89 Building Code Requirements for Reinforced Concrete with Design Applications
Diseño de estructuras de concreto conforme al reglamento ACI 318-89 (1995)
Portland Cement Association, Ghosh, S.K. (Satyendra Kumar) (ed.), Rabbat, Basile G. (ed.)
Traducción de: Notes on ACI 318-89 Building Code Requirements for Reinforced Concrete with Design Applications
High resolution IRAS maps of spiral galaxies (1993)
Rengarajan, T. N, Ghosh, S. K, Verma, R. P
High resolution maps of nine spiral galaxies have been generated in the four IRAS bands using the High Resolution (HIRES) routine. These are used in conjunction with maps in H-alpha, CO, HI, radio...
A data acquisition system for the TIFR near-infrared camera (1993)
A near infrared array camera based on a SBRC 58 x 62 InSb detector (TIRCAM-1) is being developed at Tata Institue of Fundamental Research (TIFR) for astronomical imaging applications. The data...
A two band far-infrared photometer with bolometer arrays (1993)
Verma, R. P, Rengarajan, T. N, Ghosh, S. K
A new two band photometer for the Tata Institute of Fundamental Research (TIFR) 1m balloon-borne telescope is described. The detector system consists of two arrays (of six detectors each) of liquid...
An assessment of far-infrared measurements and their processing (1993)
Ghosh, S. K, Das, B, Rengarajan, T. N, Verma, R. P
Three image processing schemes, used for generating far-infrared (FIR) astronomical maps have been compared for their relative merits. Two of these schemes based on the maximum entropy method (MEM)...
Balloon-borne far-infrared mapping of galactic star forming regions (1993)
Das, B, Ghosh, S. K, Rengarajan, T. N, Verma, R. P, Iyengar, K. V. K, Tandon, S. N
Large angular areas (greater than 500 sq arcmin each) covering the three Galactic star forming regions (NGC 2024, OMC-1/OMC-2, and IRAS 06058 + 2138 and its neighborhood) have been mapped in two FIR...