Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Shahbaz Tariq"'
Autor:
Najabat Ali, Khamphe Phoungthong, Anwar Khan, Shah Abbas, Azer Dilanchiev, Shahbaz Tariq, Muhammad Nauman Sadiq
Publikováno v:
PLoS ONE, Vol 18, Iss 3 (2023)
The idea behind the spillover effect of FDI on economic growth is based on the idea that multinational companies can bring technological innovation and rich knowledge to host countries. Therefore, FDI plays a vital role in technological innovations.
Externí odkaz:
https://doaj.org/article/83ea893a16b34a9e97e938a4283bf60f
Autor:
Turchetta, Marco, Linares, Manuel, Koljonen, Karri, Casares, Jorge, Miles-Páez, Paulo A., Rodríguez-Gil, Pablo, Shahbaz, Tariq, Simpson, Jordan A.
We report here the results obtained from a systematic optical photometric survey aimed at finding new compact binary millisecond pulsars (also known as "spiders"): the COmpact BInary PULsar SEarch (COBIPULSE). We acquired multi-band optical images ov
Externí odkaz:
http://arxiv.org/abs/2410.18199
Autor:
Simpson, Jordan A., Linares, Manuel, Casares, Jorge, Shahbaz, Tariq, Sen, Bidisha, Camilo, Fernando
We present GTC-OSIRIS phase-resolved optical spectroscopy of three compact binary MSPs, or `spiders': PSR J1048+2339, PSR J1810+1744, and (for the first time) PSR J1908+2105. For the companion in each system, the temperature is traced throughout its
Externí odkaz:
http://arxiv.org/abs/2408.11099
Autor:
Álvarez-Hernández, Ayoze, Torres, Manuel A. P., Shahbaz, Tariq, Rodríguez-Gil, Pablo, Gazeas, Kosmas D., Sánchez-Sierras, Javier, Jonker, Peter G., Corral-Santana, Jesús M., Acosta-Pulido, Jose A., Hakala, Pasi
We present a dynamical study of the intermediate polar cataclysmic variable YY Dra based on time-series observations in the $K$ band, where the donor star is known to be the major flux contributor. We covered the $3.97$-h orbital cycle with 44 spectr
Externí odkaz:
http://arxiv.org/abs/2407.17562
Autor:
Kravtsov, Vadim, Veledina, Alexandra, Berdyugin, Andrei V., Tsygankov, Sergey, Shahbaz, Tariq, Torres, Manuel A. P., Jermak, Helen, McCall, Callum, Kajava, Jari J. E., Piirola, Vilppu, Sakanoi, Takeshi, Kagitani, Masato, Berdyugina, Svetlana V., Poutanen, Juri
We present simultaneous high-precision optical polarimetric and near-infrared (NIR) to ultraviolet (UV) photometric observations of low-mass black hole X-ray binary A0620$\unicode{x2013}$00 in the quiescent state. Subtracting interstellar polarizatio
Externí odkaz:
http://arxiv.org/abs/2407.07592
Autor:
Ulgiati, Alberto, Vincentelli, Federico Maria, Casella, Piergiorgio, Veledina, Alexandra, Maccarone, Thomas, Russell, David, Uttley, Phil, Ambrosino, Filippo, Baglio, Maria Cristina, Imbrogno, Matteo, Melandri, Andrea, Motta, Sara Elisa, O'Brien, Kiran, Sanna, Andrea, Shahbaz, Tariq, Altamirano, Diego, Fender, Rob, Maitra, Dipankar, Malzac, Julien
Publikováno v:
A&A 690, A239 (2024)
We report on two epochs of simultaneous near-infrared (IR) and X-ray observations with a sub-second time resolution of the low mass X-ray binary black hole candidate Swift J1753.5--0127 during its long 2005--2016 outburst. Data were collected strictl
Externí odkaz:
http://arxiv.org/abs/2407.00195
Autor:
Echiburú-Trujillo, Constanza, Tetarenko, Alexandra J., Haggard, Daryl, Russell, Thomas D., Koljonen, Karri I. I., Bahramian, Arash, Wang, Jingyi, Bremer, Michael, Bright, Joe, Casella, Piergiorgio, Russell, David M., Altamirano, Diego, Baglio, M. Cristina, Belloni, Tomaso, Ceccobello, Chiara, Corbel, Stephane, Trigo, Maria Diaz, Maitra, Dipankar, Gabuya, Aldrin, Gallo, Elena, Heinz, Sebastian, Homan, Jeroen, Kara, Erin, Körding, Elmar, Lewis, Fraser, Lucchini, Matteo, Markoff, Sera, Migliari, Simone, Miller-Jones, James C. A., Rodriguez, Jerome, Saikia, Payaswini, Sarazin, Craig L., Shahbaz, Tariq, Sivakoff, Gregory, Soria, Roberto, Testa, Vincenzo, Tetarenko, Bailey E., Tudose, Valeriu
Publikováno v:
2024 ApJ 962 116
Black hole X-ray binaries (BH XRBs) are ideal targets to study the connection between accretion inflow and jet outflow. Here we present quasi-simultaneous, multi-wavelength observations of the Galactic black hole system MAXI J1820+070, throughout its
Externí odkaz:
http://arxiv.org/abs/2311.11523
Autor:
Saikia, Payaswini, Russell, David M., Baglio, M. C., Bramich, D. M., Casella, Piergiorgio, Trigo, M. Diaz, Gandhi, Poshak, Jiang, Jiachen, Maccarone, Thomas, Soria, Roberto, Noori, Hind Al, Yazeedi, Aisha Al, Alabarta, Kevin, Belloni, Tomaso, Bel, Marion Cadolle, Ceccobello, Chiara, Corbel, Stephane, Fender, Rob, Gallo, Elena, Homan, Jeroen, Koljonen, Karri, Lewis, Fraser, Markoff, Sera B., Miller-Jones, James C. A., Rodriguez, Jerome, Russell, Thomas D., Shahbaz, Tariq, Sivakoff, Gregory R., Testa, Vincenzo, Tetarenko, Alexandra J.
We present a detailed study of the evolution of the Galactic black hole transient GRS 1716-249 during its 2016-2017 outburst at optical (Las Cumbres Observatory), mid-infrared (Very Large Telescope), near-infrared (Rapid Eye Mount telescope), and ult
Externí odkaz:
http://arxiv.org/abs/2205.04452
Autor:
Stringer, James G., Breton, Rene P., Clark, Colin J., Voisin, Guillaume, Kennedy, Mark R., Sànchez, Daniel Mata, Shahbaz, Tariq, Dhillon, Vik S., van Kerkwijk, Marten, Marsh, Tom R.
We present ULTRACAM multiband optical photometry of two transitional millisecond pulsars, PSR J1023+0038 and PSR J1227$-$4853, taken while both were in their radio pulsar states. The light curves show significant asymmetry about the flux maxima in al
Externí odkaz:
http://arxiv.org/abs/2107.11306
Autor:
Ilkiewicz, Krystian, Scaringi, Simone, Court, James M. C., Maccarone, Thomas J., Altamirano, Diego, Bradshaw, Corey W., Degenaar, Nathalie, Fratta, Matteo, Littlefield, Colin, Shahbaz, Tariq, Wijnands, Rudy
AQ Men is a nova-like variable which is presumed to have a tilted, precessing accretion disc. Grazing eclipses in this system have been speculated to be useful in exploring the geometry of its accretion disc. In this work we analysed TESS observation
Externí odkaz:
http://arxiv.org/abs/2103.03041