Browsing IIAP Publications by Author "Bagare, S. P"

Now showing items 1-20 of 56

Abnormal rotation rates of sunspots and durations of associated flares

Suryanarayana, G. S; Hiremath, K. M; Bagare, S. P; Hegde, M (EDP Sciences, 2015-08)

Context. Short-duration and long-duration flares are important in terms of their association with coronal heating and coronal mass ejections, respectively. Sunspot motions in the photosphere have been known to be associated ...
Aerosol optical properties retrieved using Skyradiometer at Hanle in western Himalayas

Neeharika, V; Bagare, S. P; Shantikumar, N. S; Rajendra, B. S (Elsevier B. V., 2010-01)

A Skyradiometer was installed at Hanle in Ladakh, in October 2007 as a part of the site characterization program for the proposed National Large Solar Telescope project. Aerosol optical depth (AOD), single scattering albedo ...
Aerosol radiative forcing over a high-altitude station Merak, in the trans-Himalayan region during advection of anthropogenic events from the Indo-Gangetic Plain

Shantikumar, N. S; Bagare, S. P; Srivastava, A. K; Sohn, B. J; Song, H.-J; Larson, E (Elsevier B.V, 2014-12)

Advection of anthropogenic aerosols from the Indo-Gangetic Plain (IGP) and dust aerosols from distant deserts towards a high-altitude station Merak, in the trans-Himalayan region are reported during June–July 2011. In order ...
Assessment of aerosol optical and micro-physical features retrieved from direct and diffuse solar irradiance measurements from Skyradiometer at a high altitude station at Merak

Shantikumar, N. S; Srivastava, A. K; Bagare, S. P; Singh, R. B; Kanawade, V. P; Dorjey, N (Springer, 2015-11)

Optical and micro-physical features of aerosol are reported using Skyradiometer (POM-01L, Prede, Japan) observations taken from a high-altitude station Merak, located in north-eastern Ladakh of the western transHimalayas ...
Astrophysical molecule CN: vibronic transition probability parameters

Karthikeyan, B; Balachandra Kumar, K; Rajamanickam, N; Bagare, S. P (Astronomical Society of India, 2006-06)

Astrophysical applications are broadened by the emerging consensus on the vibration-electronic (vibronic) transition probability parameters such as Franck - Condon (FC) factors & r - centroids of some molecular species ...
Astrophysically Useful Parameters for Certain Band Systems of BeH, BeD and BeT Molecules

Shanmugavel, R; Bagare, S. P; Rajamanickam, N (Astronomical Observatory, Serbia, 2006-12)

The vibronic (vibration-electronic) transition probability parameters such as Franck-Condon (FC) factors and r-centroids of diatomic molecular species could be useful in the identification of molecular bands and in the ...
Astrophysically Useful Parameters for Some Vibronic Transitions of AlH and BH

Karthikeyan, B; Raja, V; Rajamanickam, N; Bagare, S. P (Springer, 2006-12)

For molecular identification in astrophysical sources, an astrophysicist needs some spectroscopic parameters such as dissociation energy, vibrational or rotational temperature of the source, band or line wavelengths, ...
An attempt of identification of barium hydride molecular lines in sunspot umbral spectra

Karthikeyan, B; Shanmugapriya, G; Rajamanickam, N; Bagare, S. P (Elsevier B.V, 2020-07)

A high-resolution sunspot umbra spectrum recorded in National Solar Observatory, Kitt Peak in the visible and infrared wave number range 13, 600 – 25, 000cm−1 was taken in the present study for identifying the rotational ...
Brightness, polarization and electron density of the solar corona of 1980 February 16

Sivaraman, K. R; Jayachandran, M; Scaria, K. K; Babu, G. S. D; Bagare, S. P; Jayarajan, A. P (Indian Academy of Sciences, 1984-06)

During the eclipse of 1980 February 16 the authors photographed the solar corona at an effective wavelength of 6300 Å. Using a quadruple camera coronal pictures were obtained in polarized light for four polaroid orientations. ...
Broad Band Photometry of Solar Corona during the Total Solar Eclipse of October 24, 1995

Bagare, S. P; Aleem, P. S. M; Singh, J; Saxena, A. K (Indian Institute of Astrophysics, Bangalore, 1997)

A 30 cm coelostat, a red broad band filter, and a 15 cm objective providing an f/15 beam were used to obtain high resolution picture is recorded with its top around 2Ro, in the near north polar region. The nearest YOHKOH ...
Calibration of a Sky radiometer (Prede) using observations obtained from Hanle and Merak high-altitude stations in Ladakh

Shantikumar, N. S; Bagare, S. P; Rajendra, B. S; Campanelli, M; Khatri, P; Dorjey, N (Elsevier B.V, 2014-06-15)

The present work was carried out to check the performance of a Prede Sky radiometer and the stability of the solar calibration constant (F0s) at two high altitude pristine stations, Hanle and Merak in Ladakh region during ...
Calibration on the Sun for stellar magnetic fields

Sivaraman, K. R; Bagare, S. P; Gupta, S. S; Kariyappa, R (Springer, 1987-07)

The intimate association between the surface magnetic fields and the Ca II K-line emission known to exist on the Sun, holds a promise for using this property to detect the presence of global magnetic fields on Sun-like ...
Characterization of aerosol optical properties over the high-altitude station Hanle, in the trans-Himalayan region

Shantikumar, N. S; Bagare, S. P; Sinha, N; Rajendra, B. S; Srivastava, A. K; Larson, E; Kanawade, V. P (Elsevier B.V, 2014-03-01)

Optical properties of aerosols over Hanle (4500 m amsl) in the western Himalayas were studied using skyradiometer observations during October 2007 to December 2010. Yearly mean value of aerosol optical depth (AOD) at 500 ...
Chromospheric CA II K-line variations in the sun as a star over a solar cycle

Sivaraman, K. R; Singh, J; Bagare, S. P; Gupta, S. S (American Astronomical Society, 1987-02)

The disk-averaged Ca II K profiles obtained at the Kodaikanal solar tower telescope for the period 1969-1984 are used to study the chromospheric variations in the sun as a star. The 1A index shows increases of 18 and 28 ...
A detailed analysis of barium oxide molecular lines in sunspot umbral spectra

Shanmugapriya, G; Karthikeyan, B; Balachandrakumar, K; Rajamanickam, N; Bagare, S. P (Springer, 2015-06)

It is essential to know the composition of atoms or molecules present in the astrophysical objects concerned to determine the physical and chemical nature of a solar or stellar region. With the aim to identify them clearly, ...
Detection of Short-Period Coronal Oscillations during the Total Solar Eclipse of 24 October, 1995

Singh, J; Cowsik, R; Raveendran, A. V; Bagare, S. P; Saxena, A. K; Sundararaman, K; Krishan, V; Naidu, N; Samson, J. P. A; Gabriel, F (Springer, 1997-02)

An experiment to search for short-period oscillations in the solar corona was conducted during the total solar eclipse of 1995 October 24 at Kalpi, India. The intensity in the continuum, centred around 5500 Å and with a ...
Dynamic responses of sunspots to their ambient magnetic configuration

Bagare, S. P (Cambridge University Press, 2011-08)

In our earlier study of a revisit of the classic Wilson Effect, it was found that a large proportion of sunspots do not display the geometric effect which is ascribed to a depression of the umbra. It was shown that the ...
Estimation of aerosol radiative forcing over an aged-background aerosol feature during advection and non-advection events using a ground-based data obtained from a Prede Skyradiometer observation

Shantikumar, N. S; Bagare, S. P; Khatri, P; Sohn, B. J; Song, H.-J (Elsevier B.V, 2015-10-01)

Estimation of aerosol radiative forcing (ARF) was performed using a radiative transfer model (Rstar6b) along with physical and optical parameters of aerosols obtained from sky radiometer observation over Indian Astronomical ...
Estimation of Astrophysically Useful Parameters for SnF and ScF Molecules

Sri Ramachandran, P; Shanmugavel, R; Rajamanickam, N; Bagare, S. P (Editura Academiei Romane, 2008)

The calculation of Franck-Condon factors and r-centroids are of interest to studY the electronic transition between bound molecular states
Evaluation of astrophysically useful parameters for HD molecule

Karthikeyan, B; Rajamanickam, N; Bagare, S. P (Elsevier, 2006-10)

The spectrum of HD molecule is the testing ground of both refined calculations and experimental techniques and its excited states are of considerable relevance to chemistry and astrophysics. In this study, the Franck Condon ...

Browsing IIAP Publications by Author "Bagare, S. P"

Browsing IIAP Publications by Author "Bagare, S. P"

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