Astronomers discover 83 supermassive black holes 13 billion light-years away

Agencies
March 15, 2019

Washington, Mar 15: Astronomers have discovered 83 quasars powered by supermassive black holes 13 billion light-years away from the Earth, from a time when the universe was less than 10 per cent of its present age.

“It is remarkable that such massive dense objects were able to form so soon after the Big Bang,” said Michael Strauss, a professor at Princeton University in the US.

“Understanding how black holes can form in the early universe, and just how common they are, is a challenge for our cosmological models,” Strauss said in a statement.

This finding, published in The Astrophysical Journal, increases the number of black holes known at that epoch  considerably, and reveals, for the first time, how common they are early in the universe’s history.

In addition, it provides new insight into the effect of black holes on the physical state of gas in the early universe in its first billion years.

Supermassive black holes, found at the centers of galaxies, can be millions or even billions of times more massive than the Sun.

While they are prevalent today, it is unclear when they first formed, and how many existed in the distant early universe.

A supermassive black hole becomes visible when gas accretes onto it, causing it to shine as a “quasar.” Previous studies have been sensitive only to the very rare, most luminous quasars, and thus the most massive black holes.

The new discoveries probe the population of fainter quasars, powered by black holes with masses comparable to most black holes seen in the present-day universe.

The team used data taken with “Hyper Suprime-Cam” (HSC) instrument, mounted on the Subaru Telescope of the National Astronomical Observatory of Japan, which is located on the summit of Maunakea in Hawaii.

The researchers selected distant quasar candidates from the sensitive HSC survey data.

They then carried out an intensive observational campaign to obtain spectra of those candidates, using three telescopes: the Subaru Telescope; the Gran Telescopio Canarias on the island of La Palma in the Canaries, Spain; and the Gemini South Telescope in Chile.

The survey revealed 83 previously unknown very distant quasars.

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ABDUL AZIZ SHE…
 - 
Saturday, 16 Mar 2019

SUBHAANALLAH

 

 
ALLAH ALMIGHTY CREATED EVERTHING  INCLUDING WHOLE UNIVERSE AND WHAT IS IN IT,

HUMAN BEING CANNOT REACH TO UNDERSTAND IT,  HUMAN LIFE NOT SUFFEICENT TO REACH AND KNOW EVERYTHING.

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News Network
February 3,2020

New Delhi, Feb 3: In the third such incident inside of a week, two unidentified persons opened fire outside Gate No. 5 of Jamia Millia Islamia on Sunday night, the Jamia Coordination Committee (JCC) said.

A statement issued by the committee, a group comprising students and alumni of the university formed to protest against the Citizenship Amendment Act, said the attackers were on a red Rcooty.

No one was injured in the attack. One of the miscreants was wearing a red jacket, the statement said.

"Firing has taken place at Gate No.5 of Jamia Millia Islamia right now by two unidentified persons. As per report, one of them was wearing a red jacket and driving a red Scooty having vehicle no. 1532 or 1534," the statement said.

Police said they were verifying the JCC's claims.

Asim Mohammed Khan, former Congress MLA from Okhla, said the incident occurred around 11.30 pm. "We heard the gunshot. That is when we stepped out to see and the two men left on a Scooty," a student said.

"We have taken down the vehicle number and called police," he added.

This is the third firing incident in the Jamia Nagar area in a week.

On Thursday, a minor fired at anti-CAA protesters marching towards Rajghat, injuring a student.

Two days later, a 25-year-old fired two rounds in air in Shaheen Bagh in Jamia Nagar. No one was hurt in the incident.

The incident on Sunday night triggered panic in the area. A police vehicle had reached the spot after the incident but was chased away by angry students.

Hundreds of students and locals gathered outside the university.

Many raised slogans against the Delhi Police. They also staged a dharna outside the Jamia Nagar police station.

Shezad Ahmed, a JMI student and resident of Zakir Nagar, said they were not even allowed to protest peacefully.

"We are not going to be deterred by such incidents. We will continue with our protest," he added.

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Agencies
January 16,2020

New Delhi, Jan 16: In trouble brewing for the Gautam Adani-led M/S Adani Enterprises, the Central Bureau of Investigation (CBI) on Thursday said that it has registered a case against former officials of the National Co-operative Consumer Federation (NCCF) and others over alleged irregularities in supply of coal to the Andhra Pradesh Power Generation Corporation (APGENCO) in 2010.

The CBI in its FIR has named Virendra Singh, the then Chairman of the NCCF, G P Gupta, the then MD of the NCCF, S C Singhal, the then Senior Advisor of NCCF, Adani Enterprises Ltd and other unknown public servants and others for criminal conspiracy, cheating and criminal misconduct by public servants.

According to CBI, the case was filed on Wednesday after the preliminary enquiry revealed the crime by the officials named in the FIR and the Adani Enterprises was found to be true.

The FIR alleged that on June 26, 2010, APGENCO floated a tender enquiry for supply of six lakh metric tonnes of imported coal "on free on rail destination" basis to Dr Narla Tata Rao Thermal Station (NTTPS), Vijaywada and Rayalasaleema Thermal Power Plant (RTTP), Kadapa, Andhra Pradesh/RTPP via Kakinada-Vizag-Chennai-Krishnapatnam or any other ports

The same was forwarded by the Chief Engineer, APGENCO to seven PSUs -- PEC Limited, STC Limited, MSTC Limited, NCCF, MMTC, Coal India Limited and SCCL Limited.

The FIR alleged that during the probe, the Adani Enterprises used a proxy company to get the supply contract. It said, "NCCF received bids from six companies -- Adani Enterprises Ltd, Maheshwari Brothers Coal Limited (MBCL), Vyom Trade Links Pvt. Ltd, Swarana Projects Pvt. Ltd, Gupta Coal India Ltd and Kyori Oremen Ltd.

During investigation it was found that Gupta Coal India Ltd had quoted the NCCF margin of 11.3 percent, while the MBCL quoted the margin of 2.25 percent and rest did not quote any margin to the NCCF.

The FIR said the quotes of the Gupta Coal India Ltd, Kyori Oremen Ltd and Swarana Projects Pvt. Ltd were rejected by the NCCF as they were not found to be fulfilling the tender conditions.

"Post tender negotiation was done by senior officials of NCCF to give undue favour to Adani Enterprises Ltd despite it not qualifing the tender (terms)," the FIR said, adding instead of cancelling the bid of Adani Enterprise Ltd, senior management of NCCF conveyed the offer margin to the company through one of its representative -- Munish Sehgal, who was sitting in the NCCF head office. It is prima facie evident that when the bids were being processed at NCCF head office in Delhi, a representative of Adani Enterprises Ltd. was informed regarding their imminent rejection due to non-submission of NCCF margin and also that MBCL was eligible bidder quoted 2.25 percent margin," it alleged.

The CBI in its FIR, further alleged that Adani Enterprises Ltd. had given an unsecured loan of Rs 16.81 crore to Vyom Trade Links Ltd in 2008-09. "And further it was revealed that the bank guarantees of the Adani Enterprises Ltd. and Vyom Trade Links Ltd. were issues by the same branch of the State Bank of India and at the same time," it said.

"It was clear that Adani Enterprises Ltd. presented Vyom Trade Links Ltd. as a proxy company in this particular tender and Vyom Trade Links Ltd. later withdrew its offer on flimsy ground," the CBI FIR said.

"The aforesaid acts of commissions and omissions on the part of the senior management of the NCCF disclose that during their tenure, they acted in a manner unbecoming of public servants and committed irregularities by way of manipulation in the selection of bidders, thereby giving undue favours to Adani Enterprises Ltd. in award of work for supply of coal to APGENCO despite its disqualification," it added.

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Agencies
June 15,2020

New Delhi, Jun 15: After Two Indian officials working with Indian High Commission in Pakistan wet missing on Monday,  the Ministry of External Affairs summoned Pakistan's Charge d'affaires to India in the national capital and told them not to interrogate or harass Indian officials.

"Two Indian High Commission officials are missing since morning while on official work. The matter has been taken up with the Pakistani authorities," Akhilesh Singh, First Secretary and spokesperson, Indian High Commission, Pakistan, said.

According to sources quoted by PTI news agency, the MEA told the  Pakistan's Charge d'affaires to India that the responsibility of safety and security of Indian personnel in Islamabad "lays squarely with Pakistani authorities."

"Pakistan was asked to ensure return of two Indian officials along with official car to Indian High Commission in Islamabad immediately," sources added. 

The incident comes after two Pakistani officials at the Pakistani High Commission in New Delhi were accused of espionage and deported.

The two officials have been missing since Monday morning. Officials said the issue has been taken up with the Pakistan government.

Earlier, a vehicle of India's Charge d'affaires Gaurav Ahluwalia was chased by Inter-Services Intelligence (ISI) member.

In March, the Indian High Commission in Pakistan sent a strong protest note to the foreign ministry in Islamabad protesting against the continuing harassment of its officers and staff by Pakistani agencies.

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