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Treffer 1 - 25 von 502, Suchdauer: 1.57s

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1
Investigating the Circumgalactic Medium through Mg II absorption coincidence

von Sharma, Paryag ; Srianand, Raghunathan ; Chand, Hum ; et al.

Schlagworte: Astrophysics of Galaxies
- View full text via Arxiv
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2
Unraveling the mysteries of Jets in peculiar NLSy1 galaxies through multi-wavelength variability

von Ojha, Vineet ; Wu, Xue-Bing ; Ho, Luis C. ; et al.

Schlagworte: Astrophysics of Galaxies; High Energy Astrophysical Phenomena
- View full text via Arxiv
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3
Probing jet-induced optical variability across timescales in radio-loud NLSy1 galaxies

von Jha, Vivek Kumar ; Sharma, Anshul Kumar ; Sudan, Madhu ; et al.

Schlagworte: High Energy Astrophysical Phenomena; Astrophysics of Galaxies
- View full text via Arxiv
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4
Do Low-Mass, Low-Luminosity AGNs Deviate from the Quasar Main Sequence?

von Sharma, Himanshu ; Jha, Vivek Kumar ; Chand, Hum ; et al.

Schlagworte: Astrophysics of Galaxies
- View full text via Arxiv
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5
Exploring the Origins of Optical Variability in AGNs: Correlations with Black Hole Properties, X-ray, and Radio Emission

von Jha, Vivek Kumar ; Bhattacharya, Debbijoy ; Chand, Hum

Schlagworte: High Energy Astrophysical Phenomena; Astrophysics of Galaxies
- View full text via Arxiv
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6
On the incidence of weak and strong Mg II absorbers towards the Flat and Steep Spectrum Radio quasars

von Kumar, Ritish ; Mishra, Sapna ; Chand, Hum

Schlagworte: Astrophysics of Galaxies
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7
Brightness and colour variability in NLSy1s

von Sudan, Madhu ; Chand, Hum ; Wiita, Paul J. ; et al.

Mon Not R Astron Soc (2025) 121-131

Schlagworte: Astrophysics of Galaxies
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8
Circumgalactic medium of quasar host galaxies at 0.4

von Sharma, Paryag ; Srianand, Raghunathan ; Chand, Hum ; et al.

MNRAS, Volume 541, Issue 1, July 2025, Pages 601-609

Schlagworte: Astrophysics of Galaxies
- View full text via Arxiv
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9
Intranight optical monitoring of the rare quasar J0950+5128, the brightest known candidate for transition from radio-quiet to radio-loud state

von Chand, Krishan ; Gopal-Krishna ; Chand, Hum

Publ. Astron. Soc. Aust. 41 (2024) e106

Schlagworte: Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Astrophysics of Galaxies
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10
Weak-emission-line quasars: A new clue from their optical variability

von Kumar, Ritish ; Gopal-Krishna ; Chand, Hum ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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11
Star-Formation in Neutral Hydrogen Gas Reservoirs at Cosmic Noon

von Dharmender ; Joshi, Ravi ; Fumagalli, Michele ; et al.

A&A 692, L7 (2024)

Schlagworte: Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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12
Status of Astronomy Education in India: A Baseline Survey

von Maji, Moupiya ; More, Surhud ; Sule, Aniket ; et al.

Schlagworte: Physics - Physics Education
- View full text via Arxiv
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13
Galaxies, clusters, and intergalactic medium: A vision document for the Indian Astronomical Community

von Kale, Ruta ; Muzahid, Sowgat ; Khaire, Vikram ; et al.

Journal of Astrophysics and Astronomy: Co-published by Indian Academy of Sciences and Astronomical Society of India. 46(2)
- Zum Volltext (via ReDI)
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14
Exploring the AGN Accretion Disks using Continuum Reverberation Mapping

von Jha, Vivek Kumar ; Joshi, Ravi ; Saraswat, Jayesh ; et al.

Schlagworte: Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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15
Intranight optical variability of TeV blazars with parsec-scale jets dominated by slow-moving radio knots

von Negi, Vibhore ; Gopal-Krishna ; Chand, Hum ; et al.

Schlagworte: Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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16
The transience and persistence of high optical polarization state in beamed radio quasars

von Chand, Krishan ; Gopal-Krishna ; Omar, Amitesh ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies; Astrophysics - High Energy Astrophysical Phenomena
- View full text via Arxiv
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17
Intranight Optical Variability of Blazars and Radio-quiet Quasars using the ZTF Survey

von Negi, Vibhore ; Gopal-Krishna ; Joshi, Ravi ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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18
Intranight optical variability of low-mass Active Galactic Nuclei: A Pointer to blazar-like activity

von Gopal-Krishna ; Chand, Krishan ; Chand, Hum ; et al.

Schlagworte: Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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19
Evidence of under-developed torus and broad-line region of weak emission line quasars based on their spectral energy distribution

von Kumar, Ritish ; Chand, Hum ; Joshi, Ravi

Schlagworte: Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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20
Intranight variability of UV emission from powerful blazars

von Chand, Krishan ; Gopal-Krishna ; Omar, Amitesh ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies; Astrophysics - High Energy Astrophysical Phenomena
- View full text via Arxiv
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21
Optical Flux and Colour Variability of Blazars in the ZTF Survey

von Negi, Vibhore ; Joshi, Ravi ; Chand, Krishan ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies; Astrophysics - High Energy Astrophysical Phenomena
- View full text via Arxiv
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22
A Search for Blazar Activity in Broad-Absorption-Line Quasars

von Mishra, Sapna ; Gopal-Krishna ; Chand, Hum ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies; Astrophysics - High Energy Astrophysical Phenomena
- View full text via Arxiv
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23
Probable low-frequency quasi-periodic oscillations in blazars from the ZTF survey

von Banerjee, Anuvab ; Negi, Vibhore ; Joshi, Ravi ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies; Astrophysics - High Energy Astrophysical Phenomena
- View full text via Arxiv
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24
Evidence of jet induced optical microvariability in radio-loud Narrow Line Seyfert 1 Galaxies

von Ojha, Vineet ; Jha, Vivek Kumar ; Chand, Hum ; et al.

Schlagworte: Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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25
A comparative study of the physical properties for a representative sample of Narrow and Broad-line Seyfert galaxies

von Jha, Vivek Kumar ; Chand, Hum ; Ojha, Vineet ; et al.

Schlagworte: Astrophysics - Astrophysics of Galaxies
- View full text via Arxiv
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