Browsing IIAP Publications by Title

Kodaikanal Observatory, Kodaikanal

Das, A. K (Royal Astronomical Society, 1954)

Kodaikanal Observatory, Kodaikanal

Das, A. K (Royal Astronomical Society, 1957)

Kodaikanal Observatory, Kodaikanal. Report for the year ending 1968 December 31

Bappu, M. K. V (Royal Astronomical Society, 1969-12)

Kodaikanal Observatory, Kodaikanal. Report for the year ending 1969 December 31

Bappu, M. K. V (Royal Astronomical Society, 1970-09)

Kodaikanal Observatory. Report for the year ending 1967 December 31

Bappu, M. K. V (Royal Astronomical Society, 1969-03)

Kodaikanal solar observatory radio spectrograph

Barve, Indrajit V; Kathiravan, C; Gireesh, G. V. S; Anand, M. N; Rajesh, M; Rajalingam, M; Ebenezer, E; Ramesh, R (Springer Nature B.V., 2021-09)

The Indian Institute of Astrophysics (IIA) has commissioned a low frequency (<100 MHz) spectrograph at its Kodaikanal Solar Observatory (KSO) for coordinated observations of transients in the solar atmosphere with other ...

Kolmogorov dissipation scales in weakly ionized plasmas

Krishan, V; Yoshida, Z (Royal Astronomical Society, 2009-06)

In a weakly ionized plasma, the evolution of the magnetic field is described by a `generalized Ohm's law' that includes the Hall effect and the ambipolar diffusion terms. These terms introduce additional spatial and ...

LAMOST J045019.27 + 394758.7, with peculiar abundances of N, Na, V, Zn, is possibly a Sculptor dwarf galaxy escapee

Meenakshi, P; Goswami, A; Shejeelammal, J; Sonamben, Mayani; Pawar, Ganesh; Mkrtichian, David; Doddamani, Vijayakumar H; Joshi, Santosh (Oxford University Press on behalf of Royal Astronomical Society, 2022-07)

We present the results of the high-resolution (R ∼ 60 000) spectroscopic analysis of the star LAMOSTJ045019.27 + 394758.7 (hereafter J045) from the list of carbon stars of LAMOST DR2. From our analysis, we find that J045 ...

Landau’s major contribution to physics a brief overview

Sivaram, C; Arun, K (South Asian Publisher, 2009-06)

Lev Davidovich Landau was arguably one of the greatest and most versatile physicists. His work spans a very wide range and has had a considerable impact on ail areas of physics including condensed matter physics, ...

Landslide susceptibility analysis using Probabilistic Certainty Factor Approach: A case study on Tevankarai stream watershed, India

Sujatha, E. R; Rajamanickam, G. V; Kumaravel, P (Indian Academy of Sciences, 2012-10)

This paper reports the use of a GIS based Probabilistic Certainty Factor method to assess the geo-environmental factors that contribute to landslide susceptibility in Tevankarai Ar sub-watershed, Kodaikkanal. Landslide ...

Landslide susceptibility analysis using probabilistic likelihood ratio model—a geospatial-based study

Sujatha, E. R; Rajamanickam, V; Kumaravel, P; Saranathan, E (Springer, 2013-02)

The crucial and difficult task in landslide susceptibility analysis is estimating the probability of occurrence of future landslides in a study area under a specific set of geomorphic and topographic conditions. This task ...

Landslide Susceptibility Mapping Using Remotely Sensed Data through Conditional Probability Analysis Using Seed Cell and Point Sampling Techniques

Sujatha, E. R; Kumaravel, P; Rajamanickam, V. G (Springer, 2012-12)

Rapid urbanization, intense infra-structure development and increased tourism related activities have resulted in the change of landscape of the Kodaikkanal town and its surrounding, a popular hill town in Tamilnadu, South ...

A Large Decametric Wavelength Antenna Array for IPS Observations of Radio Sources

Sastry, Ch. V (International Astronomical Union, 1980)

Large dust grains in the dark cloud B5

Bhatt, H. C (Royal Astronomical Society, 1986-09)

Polarization measurements of stars in the region of the dark cloud B5 indicate that the average dust grain size in the cloud is much larger than the mean interstellar grain size. Within the cloud, the average grain size ...

Large Magellanic Cloud Bar: Evidence of a Warped Bar

Subramaniam, A (The European Southern Observatory, 2003-11)

The geometry of the LMC bar is studied using the dereddened mean magnitudes of the red clump stars (I0) from the Optical Gravitational Lensing Experiment II catalog. The value of I0 is found to vary in the east-west direction ...

The large Magellanic cloud R CrB Star - HV 12842

Morgan, D. H; Nandy, K; Kameswara Rao, N (D. Reidel Publishing Co, 1986)

This paper describes the behaviour of HV 12842 during the period 1976 - 1985 as it appears on the 38 I plates of LMC(N) taken with the UK 1.2 m Schmidt Telescope.

Large number coincidences and unification of the parameters underlying elementary particles astrophysics and cosmology

Sivaram, C (World Scientific, 1984)

The Ubiquitous occurrence of the Dirac-Eddington large dimensionless numbers when relating the physical parameters such as mass, radius, angular momentum etc. of typical astrophys1cal objects like stars and galax1es to ...

Large optical mirror making technology and facility at Indian Institute of Astrophysics

Saxena, A. K (SPIE-The International Society for Optical Engineering, 1990)

Indian Institute of Astrophysics (IIA) has recently completed building of 2.34 MTelescopeS Optics for the same was fabricated in the Optical shop of the Institute. Thepaper describes the technology used in making 2.34 M ...

A large sample of newly identified carbon-deficient red giants from APOGEE

Maben, Sunayana; Bharat Kumar, Y; Reddy, B. E; Campbell, Simon W; Zhao, Gang (Oxford University Press on behalf of Royal Astronomical Society, 2023-11)

Based on the Apache Point Observatory Galactic Evolution Experiment survey we conducted a search for carbon-deficient red giants (CDGs). We found 103 new CDGs, increasing the number in the literature by more than a factor ...

Large scale extinction maps with UVIT

Ravichandran, S; Preethi, K; Safonova, M; Murthy, J (Springer, 2013-04)

The Ultraviolet Imaging Telescope (UVIT) is scheduled to be launched as a part of the ASTROSAT satellite. As part of the mission planning for the instrument we have studied the efficacy of UVIT observations for interstellar ...

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