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2 minInstitution
  1. होम
  2. /
  3. अवधारणाएं
  4. /
  5. Institution
  6. /
  7. Giant Metrewave Radio Telescope (GMRT)
Institution

Giant Metrewave Radio Telescope (GMRT)

Giant Metrewave Radio Telescope (GMRT) क्या है?

The Giant Metrewave Radio Telescope (GMRT) is a world-class low-frequency radio observatory located near Khodad, Pune, India. It consists of 30 fully steerable parabolic dishes, each 45 meters in diameter, designed to observe radio waves at metre wavelengths.

ऐतिहासिक पृष्ठभूमि

GMRT: Key Facts & Figures

A dashboard presenting essential statistics and facts about the Giant Metrewave Radio Telescope (GMRT), crucial for quick recall in UPSC examinations.

Evolution of GMRT: From Conception to Global Impact

This timeline traces the significant milestones in the history of the Giant Metrewave Radio Telescope (GMRT), from its inception to its latest groundbreaking discovery, highlighting its continuous evolution and impact.

2 minInstitution
  1. होम
  2. /
  3. अवधारणाएं
  4. /
  5. Institution
  6. /
  7. Giant Metrewave Radio Telescope (GMRT)
Institution

Giant Metrewave Radio Telescope (GMRT)

Giant Metrewave Radio Telescope (GMRT) क्या है?

The Giant Metrewave Radio Telescope (GMRT) is a world-class low-frequency radio observatory located near Khodad, Pune, India. It consists of 30 fully steerable parabolic dishes, each 45 meters in diameter, designed to observe radio waves at metre wavelengths.

ऐतिहासिक पृष्ठभूमि

GMRT: Key Facts & Figures

A dashboard presenting essential statistics and facts about the Giant Metrewave Radio Telescope (GMRT), crucial for quick recall in UPSC examinations.

Evolution of GMRT: From Conception to Global Impact

This timeline traces the significant milestones in the history of the Giant Metrewave Radio Telescope (GMRT), from its inception to its latest groundbreaking discovery, highlighting its continuous evolution and impact.

Location
Khodad, Pune, India

Strategic location chosen for minimal radio interference, enabling sensitive observations.

Data: 2025
Number of Dishes
30

Each dish is 45 meters in diameter, forming a powerful array for high-resolution imaging.

Data: 2025
Dish Diameter
45 meters (each)

Large diameter contributes to high sensitivity and signal collection capability.

Data: 2025
Frequency Range
150 MHz - 1420 MHz

Optimized for metre wavelengths, crucial for studying phenomena like the 21cm line from the early universe.

Data: 2025
Commissioning Year
1995

Established India as a leader in low-frequency radio astronomy.

Data: 1995
uGMRT Upgrade Completion
Around 2019

Enhanced bandwidth and sensitivity, leading to new discoveries like Alakshnanda.

Data: 2019
Managing Institution
NCRA-TIFR

National Centre for Radio Astrophysics (NCRA) of the Tata Institute of Fundamental Research (TIFR), under DAE.

Data: 2025
1984

Conception and initiation of the GMRT project by NCRA-TIFR.

1995

GMRT fully commissioned, becoming operational for scientific observations.

Early 2000s

GMRT begins contributing significantly to pulsar research, galaxy studies, and cosmic background radiation.

2010s

Planning and initiation of the uGMRT (upgraded GMRT) project to enhance capabilities.

2019

uGMRT fully operational, significantly improving sensitivity, bandwidth, and observational flexibility.

2020-2024

uGMRT actively participates in international collaborations (e.g., IPTA) and contributes to Fast Radio Burst (FRB) research.

2025

Discovery of 'Alakshnanda', an ancient spiral galaxy, challenging cosmological models.

Connected to current news
Location
Khodad, Pune, India

Strategic location chosen for minimal radio interference, enabling sensitive observations.

Data: 2025
Number of Dishes
30

Each dish is 45 meters in diameter, forming a powerful array for high-resolution imaging.

Data: 2025
Dish Diameter
45 meters (each)

Large diameter contributes to high sensitivity and signal collection capability.

Data: 2025
Frequency Range
150 MHz - 1420 MHz

Optimized for metre wavelengths, crucial for studying phenomena like the 21cm line from the early universe.

Data: 2025
Commissioning Year
1995

Established India as a leader in low-frequency radio astronomy.

Data: 1995
uGMRT Upgrade Completion
Around 2019

Enhanced bandwidth and sensitivity, leading to new discoveries like Alakshnanda.

Data: 2019
Managing Institution
NCRA-TIFR

National Centre for Radio Astrophysics (NCRA) of the Tata Institute of Fundamental Research (TIFR), under DAE.

Data: 2025
1984

Conception and initiation of the GMRT project by NCRA-TIFR.

1995

GMRT fully commissioned, becoming operational for scientific observations.

Early 2000s

GMRT begins contributing significantly to pulsar research, galaxy studies, and cosmic background radiation.

2010s

Planning and initiation of the uGMRT (upgraded GMRT) project to enhance capabilities.

2019

uGMRT fully operational, significantly improving sensitivity, bandwidth, and observational flexibility.

2020-2024

uGMRT actively participates in international collaborations (e.g., IPTA) and contributes to Fast Radio Burst (FRB) research.

2025

Discovery of 'Alakshnanda', an ancient spiral galaxy, challenging cosmological models.

Connected to current news
Conceived and built by the National Centre for Radio Astrophysics (NCRA) of the Tata Institute of Fundamental Research (TIFR). Construction began in 1984 and it was fully commissioned in 1995. It was a pioneering facility for radio astronomy at metre wavelengths.

मुख्य प्रावधान

8 points
  • 1.

    Comprises 30 parabolic dishes, each with a diameter of 45 meters.

  • 2.

    Operates in the frequency range of 150 MHz to 1420 MHz, making it highly sensitive to metre wavelengths.

  • 3.

    Used for a wide array of astrophysical studies, including pulsars, supernova remnants, galaxies, quasars, and the cosmic background radiation.

  • 4.

    Its unique configuration allows for both high-resolution imaging and high-sensitivity detection of faint radio signals.

  • 5.

    Underwent a significant upgrade, now known as uGMRT (upgraded GMRT), which enhanced its bandwidth, sensitivity, and operational flexibility.

  • 6.

    Managed by the National Centre for Radio Astrophysics (NCRA), a part of the Tata Institute of Fundamental Research (TIFR).

  • 7.

    Plays a crucial role in international collaborations, including the Square Kilometre Array (SKA) project.

  • 8.

    Provides training and research opportunities for students and scientists in radio astronomy.

दृश्य सामग्री

GMRT: Key Facts & Figures

A dashboard presenting essential statistics and facts about the Giant Metrewave Radio Telescope (GMRT), crucial for quick recall in UPSC examinations.

Location
Khodad, Pune, India

Strategic location chosen for minimal radio interference, enabling sensitive observations.

Number of Dishes
30

Each dish is 45 meters in diameter, forming a powerful array for high-resolution imaging.

Dish Diameter
45 meters (each)

Large diameter contributes to high sensitivity and signal collection capability.

Frequency Range
150 MHz - 1420 MHz

Optimized for metre wavelengths, crucial for studying phenomena like the 21cm line from the early universe.

Commissioning Year
1995

Established India as a leader in low-frequency radio astronomy.

uGMRT Upgrade Completion
Around 2019

Enhanced bandwidth and sensitivity, leading to new discoveries like Alakshnanda.

Managing Institution
NCRA-TIFR

National Centre for Radio Astrophysics (NCRA) of the Tata Institute of Fundamental Research (TIFR), under DAE.

Evolution of GMRT: From Conception to Global Impact

This timeline traces the significant milestones in the history of the Giant Metrewave Radio Telescope (GMRT), from its inception to its latest groundbreaking discovery, highlighting its continuous evolution and impact.

The GMRT represents a continuous journey of scientific innovation and technological upgrade. Its evolution from a pioneering facility to an upgraded, globally relevant observatory demonstrates India's sustained commitment to fundamental research in astrophysics.

  • 1984Conception and initiation of the GMRT project by NCRA-TIFR.
  • 1995GMRT fully commissioned, becoming operational for scientific observations.
  • Early 2000sGMRT begins contributing significantly to pulsar research, galaxy studies, and cosmic background radiation.
  • 2010sPlanning and initiation of the uGMRT (upgraded GMRT) project to enhance capabilities.
  • 2019uGMRT fully operational, significantly improving sensitivity, bandwidth, and observational flexibility.
  • 2020-2024uGMRT actively participates in international collaborations (e.g., IPTA) and contributes to Fast Radio Burst (FRB) research.
  • 2025Discovery of 'Alakshnanda', an ancient spiral galaxy, challenging cosmological models.

हालिया विकास

4 विकास
→

The uGMRT upgrade (completed around 2019) has significantly improved its scientific capabilities, leading to new discoveries.

→

Active participation in global efforts like the International Pulsar Timing Array (IPTA) for detecting gravitational waves.

→

Continuous contribution to understanding the early universe, as demonstrated by the discovery of 'Alakshnanda'.

→

Ongoing research into fast radio bursts (FRBs) and the properties of distant galaxies.

संबंधित अवधारणाएं

Astrophysics and CosmologyGalaxy Formation and Evolution

स्रोत विषय

Indian Astronomers Discover Ancient Spiral Galaxy 'Alakshnanda'

Science & Technology

UPSC महत्व

Important for UPSC GS Paper 3 (Science & Technology - India's achievements in space and defence technology, scientific institutions). Can be asked in Prelims (location, purpose, parent institution, key features) and Mains (India's contribution to global scientific research, role of indigenous technology).

On This Page

DefinitionHistorical BackgroundKey PointsVisual InsightsRecent DevelopmentsRelated ConceptsUPSC RelevanceSource Topic

Source Topic

Indian Astronomers Discover Ancient Spiral Galaxy 'Alakshnanda'Science & Technology

Related Concepts

Astrophysics and CosmologyGalaxy Formation and Evolution
Conceived and built by the National Centre for Radio Astrophysics (NCRA) of the Tata Institute of Fundamental Research (TIFR). Construction began in 1984 and it was fully commissioned in 1995. It was a pioneering facility for radio astronomy at metre wavelengths.

मुख्य प्रावधान

8 points
  • 1.

    Comprises 30 parabolic dishes, each with a diameter of 45 meters.

  • 2.

    Operates in the frequency range of 150 MHz to 1420 MHz, making it highly sensitive to metre wavelengths.

  • 3.

    Used for a wide array of astrophysical studies, including pulsars, supernova remnants, galaxies, quasars, and the cosmic background radiation.

  • 4.

    Its unique configuration allows for both high-resolution imaging and high-sensitivity detection of faint radio signals.

  • 5.

    Underwent a significant upgrade, now known as uGMRT (upgraded GMRT), which enhanced its bandwidth, sensitivity, and operational flexibility.

  • 6.

    Managed by the National Centre for Radio Astrophysics (NCRA), a part of the Tata Institute of Fundamental Research (TIFR).

  • 7.

    Plays a crucial role in international collaborations, including the Square Kilometre Array (SKA) project.

  • 8.

    Provides training and research opportunities for students and scientists in radio astronomy.

दृश्य सामग्री

GMRT: Key Facts & Figures

A dashboard presenting essential statistics and facts about the Giant Metrewave Radio Telescope (GMRT), crucial for quick recall in UPSC examinations.

Location
Khodad, Pune, India

Strategic location chosen for minimal radio interference, enabling sensitive observations.

Number of Dishes
30

Each dish is 45 meters in diameter, forming a powerful array for high-resolution imaging.

Dish Diameter
45 meters (each)

Large diameter contributes to high sensitivity and signal collection capability.

Frequency Range
150 MHz - 1420 MHz

Optimized for metre wavelengths, crucial for studying phenomena like the 21cm line from the early universe.

Commissioning Year
1995

Established India as a leader in low-frequency radio astronomy.

uGMRT Upgrade Completion
Around 2019

Enhanced bandwidth and sensitivity, leading to new discoveries like Alakshnanda.

Managing Institution
NCRA-TIFR

National Centre for Radio Astrophysics (NCRA) of the Tata Institute of Fundamental Research (TIFR), under DAE.

Evolution of GMRT: From Conception to Global Impact

This timeline traces the significant milestones in the history of the Giant Metrewave Radio Telescope (GMRT), from its inception to its latest groundbreaking discovery, highlighting its continuous evolution and impact.

The GMRT represents a continuous journey of scientific innovation and technological upgrade. Its evolution from a pioneering facility to an upgraded, globally relevant observatory demonstrates India's sustained commitment to fundamental research in astrophysics.

  • 1984Conception and initiation of the GMRT project by NCRA-TIFR.
  • 1995GMRT fully commissioned, becoming operational for scientific observations.
  • Early 2000sGMRT begins contributing significantly to pulsar research, galaxy studies, and cosmic background radiation.
  • 2010sPlanning and initiation of the uGMRT (upgraded GMRT) project to enhance capabilities.
  • 2019uGMRT fully operational, significantly improving sensitivity, bandwidth, and observational flexibility.
  • 2020-2024uGMRT actively participates in international collaborations (e.g., IPTA) and contributes to Fast Radio Burst (FRB) research.
  • 2025Discovery of 'Alakshnanda', an ancient spiral galaxy, challenging cosmological models.

हालिया विकास

4 विकास
→

The uGMRT upgrade (completed around 2019) has significantly improved its scientific capabilities, leading to new discoveries.

→

Active participation in global efforts like the International Pulsar Timing Array (IPTA) for detecting gravitational waves.

→

Continuous contribution to understanding the early universe, as demonstrated by the discovery of 'Alakshnanda'.

→

Ongoing research into fast radio bursts (FRBs) and the properties of distant galaxies.

संबंधित अवधारणाएं

Astrophysics and CosmologyGalaxy Formation and Evolution

स्रोत विषय

Indian Astronomers Discover Ancient Spiral Galaxy 'Alakshnanda'

Science & Technology

UPSC महत्व

Important for UPSC GS Paper 3 (Science & Technology - India's achievements in space and defence technology, scientific institutions). Can be asked in Prelims (location, purpose, parent institution, key features) and Mains (India's contribution to global scientific research, role of indigenous technology).

On This Page

DefinitionHistorical BackgroundKey PointsVisual InsightsRecent DevelopmentsRelated ConceptsUPSC RelevanceSource Topic

Source Topic

Indian Astronomers Discover Ancient Spiral Galaxy 'Alakshnanda'Science & Technology

Related Concepts

Astrophysics and CosmologyGalaxy Formation and Evolution