An Emirati astrophysics researcher has published a paper describing the light and radio signals emanating from a galaxy with a supermassive black hole at the centre.
The findings by Aisha Al Yazeedi, 25, of NYU Abu Dhabi, may prove useful to researchers as they try to understand how such enormous black holes influence changes in their galaxies.
Ms Al Yazeedi likes to share a picture that illustrates space through the lens of Nasa’s Hubble Space Telescope.
A composite produced from hundreds of photos, the remarkable image shows about 5,500 galaxies.
This is a tiny portion of the known universe, so tiny that another 30million similar images would be required to show the universe in full.
“This by itself is something that I contemplate all the time,” Ms Al Yazeedi said.
“We’re so lucky to be here. I will always be a student learning about space. This is something phenomenal to me.”
This passion for understanding space and mankind’s place in it led Ms Al Yazeedi and a team of co-researchers to analyse the galaxy, called MaNGA 1-166919, in her first scientific paper.
MaNGA 1-166919, one of an estimated two trillion galaxies in the universe, is characterised by having a particularly active supermassive black hole, a huge type of black hole that draws material into itself.
When a supermassive black hole is particularly active it forms an “accretion disk”, described by one author as a “rotating queue” of material such as gases and stars waiting to be drawn into it.
This accretion disk forms part of what is called the galaxy’s Active Galactic Nucleus (AGN). As the material moves ever faster, it heats up and emits signals of the kind analysed in the paper.
The radio signals were found to consist of two jets emanating from the galaxy’s centre and these signals corresponded well with the optical signals from the galaxy.
“This is the goal: to understand the physics of the SMBH (supermassive black hole) at the centre of the galaxy, and how it influences the galaxy’s evolution,” Ms Al Yazeedi said.
“I picked this galaxy because it has very interesting radio morphology. Simply by looking at the radio morphology, you could tell that this galaxy has an AGN, which tells you that the SMBH at the centre of the galaxy is active and therefore it has an effect on the galaxy.”
Radio morphology is a function of optical identification for the sources for which there are radio images.
The analysis employed specialist software to process vast amounts of data on the galaxy collected by the National Radio Astronomy Observatory in New Mexico, US.
In carrying out this work, the results of which were recently published in The Astrophysical Journal, the researchers hope to gain insights that could lead to a better understanding of our own galaxy, the Milky Way.
“We need to work on a long list of galaxies to see if the same physics applies,” Ms Al Yazeedi said. “We want to take this further with other galaxies.”
The Milky Way does not have an AGN, but research has indicated it may have had one as recently as within the last few million years. When, as predicted, the Milky Way collides with another galaxy called Andromeda in 4.5 billion years, another AGN could form.
Ms Al Yazeedi, who is supported by the Mohammed bin Rashid Space Centre, has been conducting research at NYU Abu Dhabi’s Centre for Astro, Particle and Planetary Physics under the supervision of Dr Joseph Gelfand, an associate professor of physics and co-author of the paper, through the university’s Kawader programme.
Aimed at well-qualified graduates and post-doctoral researchers, the scheme aims to build capability within the UAE by offering a three-year salaried programme tailored to the interests of each researcher.
The UAE has become a key player in space exploration, launching the Mars orbiter, Hope, a year after sending one of its own astronauts to the International Space Station.
Next year the country aims to send a rover called Rashid to the Moon.
“It’s like we’re making history with all the milestones we’re taking in space science and the space industry,” Ms Al Yazeedi said.
“It makes me very, very proud and very lucky to be an Emirati in this era.”
A 2017 graduate of Sorbonne University Abu Dhabi, Ms Al Yazeedi hopes to continue her research by going on to study for a PhD.
Space year 2021 - in pictures
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The bio
Favourite book: Peter Rabbit. I used to read it to my three children and still read it myself. If I am feeling down it brings back good memories.
Best thing about your job: Getting to help people. My mum always told me never to pass up an opportunity to do a good deed.
Best part of life in the UAE: The weather. The constant sunshine is amazing and there is always something to do, you have so many options when it comes to how to spend your day.
Favourite holiday destination: Malaysia. I went there for my honeymoon and ended up volunteering to teach local children for a few hours each day. It is such a special place and I plan to retire there one day.
Killing of Qassem Suleimani
RESULTS
5pm: Wathba Stallions Cup – Handicap (PA) Dh70,000 (Turf) 2,200m
Winner: M'A Yaromoon, Jesus Rosales (jockey), Khalifa Al Neydai (trainer)
5.30pm: Khor Al Baghal – Conditions (PA) Dh80,000 (T) 1,600m
Winner: No Riesgo Al Maury, Antonio Fresu, Ibrahim Al Hadhrami
6pm: Khor Faridah – Handicap (PA) Dh80,000 (T) 1,600m
Winner: JAP Almahfuz, Royston Ffrench, Irfan Ellahi
6.30pm: Abu Dhabi Fillies Classic – Prestige (PA) Dh110,000 (T) 1,400m
Winner: Mahmouda, Pat Cosgrave, Abdallah Al Hammadi
7pm: Abu Dhabi Colts Classic – Prestige (PA) Dh110,000 (T) 1,400m
Winner: AS Jezan, George Buckell, Ahmed Al Mehairbi
7.30pm: Khor Laffam – Handicap (TB) Dh80,000 (T) 2,200m
Winner: Dolman, Antonio Fresu, Bhupath Seemar
MATCH INFO
Karnatake Tuskers 114-1 (10 ovs)
Charles 57, Amla 47
Bangla Tigers 117-5 (8.5 ovs)
Fletcher 40, Moores 28 no, Lamichhane 2-9
Bangla Tiger win by five wickets
UAE SQUAD
Goalkeepers: Ali Khaseif, Fahad Al Dhanhani, Mohammed Al Shamsi, Adel Al Hosani
Defenders: Bandar Al Ahbabi, Shaheen Abdulrahman, Walid Abbas, Mahmoud Khamis, Mohammed Barghash, Khalifa Al Hammadi, Hassan Al Mahrami, Yousef Jaber, Salem Rashid, Mohammed Al Attas, Alhassan Saleh
Midfielders: Ali Salmeen, Abdullah Ramadan, Abdullah Al Naqbi, Majed Hassan, Yahya Nader, Ahmed Barman, Abdullah Hamad, Khalfan Mubarak, Khalil Al Hammadi, Tahnoun Al Zaabi, Harib Abdallah, Mohammed Jumah, Yahya Al Ghassani
Forwards: Fabio De Lima, Caio Canedo, Ali Saleh, Ali Mabkhout, Sebastian Tagliabue, Zayed Al Ameri
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Engine: 2-litre or 3-litre 4Motion all-wheel-drive Power: 250Nm (2-litre); 340 (3-litre) Torque: 450Nm Transmission: 8-speed automatic Starting price: From Dh212,000 On sale: Now
Spider-Man: No Way Home
Director: Jon Watts
Stars: Tom Holland, Zendaya, Jacob Batalon
Rating:*****
Tuesday results:
- Singapore bt Malaysia by 29 runs
- UAE bt Oman by 13 runs
- Hong Kong bt Nepal by 3 wickets
Final:
Thursday, UAE v Hong Kong
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Jetour T1 specs
Engine: 2-litre turbocharged
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India cancels school-leaving examinations
Milestones on the road to union
1970
October 26: Bahrain withdraws from a proposal to create a federation of nine with the seven Trucial States and Qatar.
December: Ahmed Al Suwaidi visits New York to discuss potential UN membership.
1971
March 1: Alex Douglas Hume, Conservative foreign secretary confirms that Britain will leave the Gulf and “strongly supports” the creation of a Union of Arab Emirates.
July 12: Historic meeting at which Sheikh Zayed and Sheikh Rashid make a binding agreement to create what will become the UAE.
July 18: It is announced that the UAE will be formed from six emirates, with a proposed constitution signed. RAK is not yet part of the agreement.
August 6: The fifth anniversary of Sheikh Zayed becoming Ruler of Abu Dhabi, with official celebrations deferred until later in the year.
August 15: Bahrain becomes independent.
September 3: Qatar becomes independent.
November 23-25: Meeting with Sheikh Zayed and Sheikh Rashid and senior British officials to fix December 2 as date of creation of the UAE.
November 29: At 5.30pm Iranian forces seize the Greater and Lesser Tunbs by force.
November 30: Despite a power sharing agreement, Tehran takes full control of Abu Musa.
November 31: UK officials visit all six participating Emirates to formally end the Trucial States treaties
December 2: 11am, Dubai. New Supreme Council formally elects Sheikh Zayed as President. Treaty of Friendship signed with the UK. 11.30am. Flag raising ceremony at Union House and Al Manhal Palace in Abu Dhabi witnessed by Sheikh Khalifa, then Crown Prince of Abu Dhabi.
December 6: Arab League formally admits the UAE. The first British Ambassador presents his credentials to Sheikh Zayed.
December 9: UAE joins the United Nations.
How to get there
Emirates (www.emirates.com) flies directly to Hanoi, Vietnam, with fares starting from around Dh2,725 return, while Etihad (www.etihad.com) fares cost about Dh2,213 return with a stop. Chuong is 25 kilometres south of Hanoi.
How does ToTok work?
The calling app is available to download on Google Play and Apple App Store
To successfully install ToTok, users are asked to enter their phone number and then create a nickname.
The app then gives users the option add their existing phone contacts, allowing them to immediately contact people also using the application by video or voice call or via message.
Users can also invite other contacts to download ToTok to allow them to make contact through the app.
Our legal consultant
Name: Dr Hassan Mohsen Elhais
Position: legal consultant with Al Rowaad Advocates and Legal Consultants.
Living in...
This article is part of a guide on where to live in the UAE. Our reporters will profile some of the country’s most desirable districts, provide an estimate of rental prices and introduce you to some of the residents who call each area home.
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The five pillars of Islam
Panipat
Director Ashutosh Gowariker
Produced Ashutosh Gowariker, Rohit Shelatkar, Reliance Entertainment
Cast Arjun Kapoor, Sanjay Dutt, Kriti Sanon, Mohnish Behl, Padmini Kolhapure, Zeenat Aman
Rating 3 /5 stars
Student Of The Year 2
Director: Punit Malhotra
Stars: Tiger Shroff, Tara Sutaria, Ananya Pandey, Aditya Seal
1.5 stars
More on animal trafficking
Our legal consultant
Name: Dr Hassan Mohsen Elhais
Position: legal consultant with Al Rowaad Advocates and Legal Consultants.
Our family matters legal consultant
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Position: legal consultant with Al Rowaad Advocates and Legal Consultants.
Company%C2%A0profile
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Results
Stage 4
1. Dylan Groenewegen (NED) Jumbo-Visma 04:16:13
2. Gaviria (COL) UAE Team Emirates
3. Pascal Ackermann (GER) Bora-Hansgrohe
4. Sam Bennett (IRL) Deceuninck-QuickStep
5. Caleb Ewan (AUS) Lotto Soudal
General Classification:
1. Adam Yates (GBR) Mitchelton-Scott 16:46:15
2. Tadej Pogacar (SLO) UAE Team Emirates 0:01:07
3. Alexey Lutsenko (KAZ) Astana Pro Team 0:01:35
4. David Gaudu (FRA) Groupama-FDJ 0:01:40
5. Rafal Majka (POL) Bora-Hansgrohe
SERIE A FIXTURES
Friday Sassuolo v Benevento (Kick-off 11.45pm)
Saturday Crotone v Spezia (6pm), Torino v Udinese (9pm), Lazio v Verona (11.45pm)
Sunday Cagliari v Inter Milan (3.30pm), Atalanta v Fiorentina (6pm), Napoli v Sampdoria (6pm), Bologna v Roma (6pm), Genoa v Juventus (9pm), AC Milan v Parma (11.45pm)