Neelam Panwar
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View article: Investigating pulsating variables and eclipsing binaries in NGC 2126 using ground- and space-based photometry, astrometry, spectroscopy, and modelling
Investigating pulsating variables and eclipsing binaries in NGC 2126 using ground- and space-based photometry, astrometry, spectroscopy, and modelling Open
Pulsating variables are prevalent in the classical $\delta$ Scuti instability strip of intermediate-age open star clusters. The cluster membership of these stars facilitates a comparative analysis of their evolution in analogous environmen…
View article: Investigating Pulsating Variables and Eclipsing Binaries in NGC 2126 using Ground and Space-based Photometry, Astrometry, Spectroscopy and Modeling
Investigating Pulsating Variables and Eclipsing Binaries in NGC 2126 using Ground and Space-based Photometry, Astrometry, Spectroscopy and Modeling Open
Pulsating variables are prevalent in the classical δ Scuti instability strip of intermediate-age open star clusters. The cluster membership of these stars facilitates a comparative analysis of their evolution in analogous environments. In …
View article: Research on the interstellar medium and star formation in the Galaxy: An Indian perspective
Research on the interstellar medium and star formation in the Galaxy: An Indian perspective Open
View article: Twins in diversity: understanding circumstellar disc evolution in the twin clusters of W5 complex
Twins in diversity: understanding circumstellar disc evolution in the twin clusters of W5 complex Open
Young star-forming regions in massive environments are ideal test beds to study the influence of surroundings on the evolution of discs around low-mass stars. We explore two distant young clusters, IC 1848-East and West located in the mass…
View article: Twins in Diversity: Understanding circumstellar disk evolution in the twin clusters of W5 complex
Twins in Diversity: Understanding circumstellar disk evolution in the twin clusters of W5 complex Open
Young star-forming regions in massive environments are ideal test beds to study the influence of surroundings on the evolution of disks around low-mass stars. We explore two distant young clusters, IC 1848-East and West located in the mass…
View article: Low-mass Stellar and Substellar Content of the Young Cluster Berkeley 59
Low-mass Stellar and Substellar Content of the Young Cluster Berkeley 59 Open
We present a multiwavelength analysis of the young star cluster Berkeley 59, based on Gaia data and deep IR observations with the 3.58 m Telescopio Nazionale Galileo and Spitzer space telescope. The mean proper motion of the cluster is fou…
View article: Low-mass stellar and substellar content of the young cluster Berkeley 59
Low-mass stellar and substellar content of the young cluster Berkeley 59 Open
We present a multi-wavelength analysis of the young star cluster Berkeley 59 (Be 59) based on the $Gaia$ data and deep infrared (IR) observations with the 3.58-m Telescopio Nazionale Galileo and $Spitzer$ space telescope. The mean proper m…
View article: Foreground Dust Properties toward the Cluster NGC 7380
Foreground Dust Properties toward the Cluster NGC 7380 Open
Using starlight polarization, we present the properties of foreground dust toward cluster NGC 7380 embedded in H ii region Sh 2-142. Observations of starlight polarization are carried out in four filters using an imaging polarimeter equipp…
View article: Foreground Dust Properties towards the Cluster NGC 7380
Foreground Dust Properties towards the Cluster NGC 7380 Open
Using starlight polarization, we present the properties of foreground dust towards cluster NGC 7380 embedded in H{\sc ii} region Sh 2-142. Observations of starlight polarization are carried out in four filters using an imaging polarimeter …
View article: Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316
Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316 Open
We present a multiwavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster, including its shape (elongated), size ( R cluster = 0.4 pc), distance (1.3 ± 0.3 kpc), a…
View article: Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316
Cluster Formation in a Filamentary Cloud: The Case of the Stellar Cluster NGC 2316 Open
We present a multi-wavelength analysis of the star cluster NGC 2316 and its surroundings. We estimated the physical parameters of the NGC 2316 cluster, including its shape (elongated), size (Rcluster = 0.4 pc), distance (1.3 +/- 0.3 kpc), …
View article: Dissecting the morphology of star forming complex S193
Dissecting the morphology of star forming complex S193 Open
We have studied a star-forming complex S193 using near-infrared (NIR) observations and other archival data covering optical to radio wavelengths. We identified stellar clusters in the complex using the NIR photometric data and estimated th…
View article: Post-outburst Evolution of Bona Fide FU Ori-type V2493 Cygnus: A Spectro-photometric Monitoring
Post-outburst Evolution of Bona Fide FU Ori-type V2493 Cygnus: A Spectro-photometric Monitoring Open
We present here the results of 8 yr of our near-simultaneous optical–near-infrared spectro-photometric monitoring of the bona fide FU Ori (FUor)-type candidate V2493 Cygnus (V2493 Cyg) starting from 2013 September to 2021 June. During our …
View article: Exploring Stellar Cluster and Feedback-driven Star Formation in the Galactic Mid-infrared Bubble [HKS2019] E70
Exploring Stellar Cluster and Feedback-driven Star Formation in the Galactic Mid-infrared Bubble [HKS2019] E70 Open
We present a comprehensive analysis of the Galactic mid-infrared bubble [HKS2019] E70 (E70) by adopting a multiwavelength approach to understand the physical environment and star formation scenario around it. We identified a small (radius …
View article: 4K$\times$4K CCD Imager for the 3.6m DOT: Recent up-gradations and results
4K$\times$4K CCD Imager for the 3.6m DOT: Recent up-gradations and results Open
The 4K$\times$4K CCD Imager is the first light instrument for the 3.6m Devasthal Optical Telescope and is producing broad-band imaging observations of many Galactic and extra-galactic sources since 2015-2016. Capabilities of the CCD Imager…
View article: Exploring Stellar Cluster and Feedback-driven Star Formation in Galactic Mid-infrared Bubble [HKS2019] E70
Exploring Stellar Cluster and Feedback-driven Star Formation in Galactic Mid-infrared Bubble [HKS2019] E70 Open
We present a comprehensive analysis of the Galactic mid-infrared (MIR) bubble [HKS2019] E70 (E70) by adopting a multi-wavelength approach to understand the physical environment and star formation scenario around it. We identified a small (…
View article: A checklist on nematode (Thelastomat(O)idea) parasites of Gryllotalpa africana (Orthoptera: Gryll(O)talpidea) recovered from the Meerut region
A checklist on nematode (Thelastomat(O)idea) parasites of Gryllotalpa africana (Orthoptera: Gryll(O)talpidea) recovered from the Meerut region Open
The present study was carried out in the different localities of the Meerut region between September 2020 and November 2021 for the collection of entomopathogenic nematodes of Gryllotalpa africana. Host insect G. africana was found to be i…
View article: A checklist of parasites collected from the zig-zag eel (Mastacembelus armatus Lacepede) from Bairaj, Bijnor, Uttar Pradesh, India
A checklist of parasites collected from the zig-zag eel (Mastacembelus armatus Lacepede) from Bairaj, Bijnor, Uttar Pradesh, India Open
The present study belongs to the parasites infecting freshwater fish in the district of Bijnor, Uttar Pradesh, India to evaluate the biodiversity of zig-zag eel parasitic fauna, Mastacembelus armatus Lacepede, 1800. Here is a list of paras…
View article: Post-outburst evolution of bonafide FUor V2493 Cyg: A Spectro-photometric monitoring
Post-outburst evolution of bonafide FUor V2493 Cyg: A Spectro-photometric monitoring Open
We present here the results of eight years of our near-simultaneous optical/near-infrared spectro-photometric monitoring of bonafide FUor candidate `V2493 Cyg' starting from 2013 September to 2021 June. During our optical monitoring period…
View article: Structural Analysis of Open Cluster Bochum 2
Structural Analysis of Open Cluster Bochum 2 Open
We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the $1.3$m Devasthal Fast Optical Telescope along with archival photometric data from Pan-STARRS2/2MASS/UKIDSS surveys. We…
View article: Photometric and Kinematic study of the open cluster NGC 1027
Photometric and Kinematic study of the open cluster NGC 1027 Open
We present photometric and kinematic analysis of an intermediate age open cluster NGC 1027 using $UBV(RI)_c$ and Gaia Early Data Release 3 (EDR3) data. Structural and fundamental parameters such as cluster center, cluster extent, reddening…
View article: Survey of Hα emission-line stars in the star-forming region IC 5070
Survey of Hα emission-line stars in the star-forming region IC 5070 Open
Actively accreting young stellar objects show H$α$ emission line in their spectra. We present the results of survey for H$α$ emission-line stars in the star-forming region IC~5070 taken with 2-m Himalyan {\it Chandra} Telescope. Based on t…
View article: Teutsch 76: a Deep Near-Infrared Study
Teutsch 76: a Deep Near-Infrared Study Open
We have performed a detailed analysis on the Teutsch 76 (T76) open cluster using the deep near-infrared (NIR) observations taken with the TANSPEC instrument mounted on the 3.6m Devasthal Optical Telescope (DOT) along with the recently avai…
View article: Photometric variable stars in the young open cluster NGC 6823
Photometric variable stars in the young open cluster NGC 6823 Open
We present stellar variability towards the young open cluster NGC\,6823. Time series $V$- and $I$-band CCD photometry led to identification and characterization of 88 variable stars, of which only 14 have been previously recognized. We asc…
View article: Photometric variable stars in the young open cluster NGC 6823
Photometric variable stars in the young open cluster NGC 6823 Open
We present stellar variability towards the young open cluster NGC 6823. Time series V- and I-band CCD photometry led to identification and characterization of 88 variable stars, of which only 14 have been previously recognized. We ascertai…
View article: Investigating the morphology and CO gas kinematics of Sh2-112 region
Investigating the morphology and CO gas kinematics of Sh2-112 region Open
We present a study of the molecular cloud in Sh2-112 massive star forming region using the 3-2 transition of CO isotopologues - CO, 13CO, and C18O; supplemented in part by CGPS HI line emission and MSX data. Sh2-112 is an optically visible…
View article: TANSPEC: TIFR-ARIES Near-infrared Spectrometer
TANSPEC: TIFR-ARIES Near-infrared Spectrometer Open
We present the design and performance of the TANSPEC, a medium-resolution 0.55–2.5 μ m cryogenic spectrometer and imager, now in operation at the 3.6 m Devasthal Optical Telescope (DOT), Nainital, India. The TANSPEC provides three modes of…
View article: TANSPEC: TIFR-ARIES Near Infrared Spectrometer
TANSPEC: TIFR-ARIES Near Infrared Spectrometer Open
We present the design and performance of the TANSPEC, a medium-resolution $0.55-2.5~μ$m cryogenic spectrometer and imager, now in operation at the 3.6-m Devasthal Optical Telescope (DOT), Nainital, India. The TANSPEC provides three modes o…
View article: Diagnosing Triggered Star Formation in the Galactic H ii region Sh 2-142
Diagnosing Triggered Star Formation in the Galactic H ii region Sh 2-142 Open
Stars are formed by gravitational collapse, spontaneously or, in some cases under the constructive influence of nearby massive stars, out of molecular cloud cores. Here we present an observational diagnosis of such triggered formation proc…