Results 91 to 100 of about 1,379 (186)

Photometric and spectroscopic monitoring of the outbursting Halley-type comet 12P/Pons-Brooks

Astronomy & Astrophysics
Context. Comet 12P/Pons-Brooks is a Halley-type comet known for its outbursting activity during its previous perihelia in 1883 and 1953. Its strong activity and favourable observing geometry gave a great opportunity to study this outburst-prone comet ...
Vander Donckt M., Jehin E., Aravind K., Adami C., Hmiddouch S., Manfroid J., Ganesh S., Benkhaldoun Z., Delsanti A.   +8 more
doaj   +1 more source

The Application of Manifold Learning to a Selection of Different Galaxy Populations and Scaling Relation Analysis

The Astrophysical Journal
The growing volume of data produced by large astronomical surveys necessitates the development of efficient analysis techniques capable of effectively managing high-dimensional data sets.
Sogol Sanjaripour, Shoubaneh Hemmati, Bahram Mobasher, Gabriela Canalizo, Barry C. Barish, Irene Shivaei, Alison L. Coil, Nima Chartab, Marziye Jafariyazani, Naveen A. Reddy, Mojegan Azadi   +10 more
doaj   +1 more source

OTELO survey: Deep BVRI broad-band photometry of the Groth strip

, 2008
Context. The Groth field is one of the sky regions that will be targeted by the OTELO (OSIRIS Tunable Filter Emission Line Object) survey in the optical 820 nm and 920 nm atmospheric windows. A complementary broad-band photometric catalogue of the field is essential for several purposes, in particular the inequivocal identification of sources ...
Cepa, J., Pérez-García, A.M., Bongiovanni, A., Alfaro, E.J., Castañeda, H., Gallego, J., González Serrano, José Ignacio, Sánchez-Portal, M., González, J.J.   +8 more
openaire   +1 more source

First Data Release of the Merian Survey: A Wide-field Imaging Survey of Dwarf Galaxies at z ∼ 0.06–0.10

The Astrophysical Journal
We present an overview of the Merian Survey and its forthcoming first data release (DR1), an optical imaging survey optimized for studying bright-star-forming dwarf galaxies. Merian uses two medium-band filters (N708 and N540, centered at 708 and 540 nm),
Shany Danieli, Erin Kado-Fong, Song Huang, Yifei Luo, Ting S Li, Lee S Kelvin, Alexie Leauthaud, Jenny E. Greene, Abby Mintz, Xiaojing Lin, Jiaxuan Li, Vivienne Baldassare, Arka Banerjee, Joy Bhattacharyya, Diana Blanco, Alyson Brooks, Zheng Cai, Xinjun Chen, Akaxia Cruz, Robel Geda, Runquan Guan, Sean Johnson, Arun Kannawadi, Stacy Y. Kim, Mingyu Li, Robert Lupton, Charlie Mace, Gustavo E. Medina, Yue Pan, Annika H. G. Peter, Justin I. Read, Rodrigo Córdova Rosado, Allen Seifert, Erik J. Wasleske, Joseph Wick   +34 more
doaj   +1 more source

H α reverberation mapping from broad-band photometry of dwarf type 1 Seyfert galaxy NGC 4395

Monthly Notices of the Royal Astronomical Society
ABSTRACT NGC 4395 is a dwarf type 1 Seyfert galaxy with a possible intermediate-mass black hole of several $\rm {10^4}$ solar masses in its centre. As a well-studied object, its broad-line region size has been measured via H $\rm {\alpha }$ time lag in numerous spectroscopic reverberation mapping (SRM) and narrow-band photometric ...
Huapeng Gu, Xue-Bing Wu, Yuhan Wen, Qinchun Ma, Hengxiao Guo   +4 more
openaire   +1 more source

The Rise of the Galactic Empire: Ultraviolet Luminosity Functions at z ∼ 17 and z ∼ 25 Estimated with the MIDIS+NGDEEP Ultra-deep JWST/NIRCam Data Set

The Astrophysical Journal
We present a sample of six F200W and three F277W dropout sources identified as 16 < z < 25 galaxy candidates using the deepest JWST/NIRCam data to date (5 σ depths ∼31.5 mag at ≥2 μ m), provided by the MIRI Deep Imaging Survey and the Next Generation ...
Pablo G. Pérez-González, Göran Östlin, Luca Costantin, Jens Melinder, Steven L. Finkelstein, Rachel S. Somerville, Marianna Annunziatella, Javier Álvarez-Márquez, Luis Colina, Avishai Dekel, Henry C. Ferguson, Zhaozhou Li, L. Y. Aaron Yung, Micaela B. Bagley, Leindert A. Boogaard, Denis Burgarella, Antonello Calabrò, Karina I. Caputi, Yingjie Cheng, Mark Dickinson, Andreas Eckart, Mauro Giavalisco, Steven Gillman, Thomas R. Greve, Mahmoud Hamed, Nimish P. Hathi, Jens Hjorth, Marc Huertas-Company, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Vasily Kokorev, Álvaro Labiano, Danial Langeroodi, Gene C. K. Leung, Priyamvada Natarajan, Casey Papovich, Florian Peissker, Laura Pentericci, Nor Pirzkal, Pierluigi Rinaldi, Paul van der Werf, Fabian Walter   +41 more
doaj   +1 more source

Broad-line AGNs at 3.5 < z < 6: The Black Hole Mass Function and a Connection with Little Red Dots

The Astrophysical Journal
We present a sample of 62 H α detected broad-line active galactic nuclei (BLAGNs) at redshifts 3.5 < z < 6.8 using data from the CEERS and RUBIES surveys. We select these sources directly from JWST/NIRSpec G395M/F290LP spectra.
Anthony J. Taylor, Steven L. Finkelstein, Dale D. Kocevski, Junehyoung Jeon, Volker Bromm, Ricardo O. Amorín, Pablo Arrabal Haro, Bren E. Backhaus, Micaela B. Bagley, Eduardo Banados, Rachana Bhatawdekar, Madisyn Brooks, Antonello Calabrò, Óscar A. Chávez Ortiz, Yingjie Cheng, Nikko J. Cleri, Justin W. Cole, Kelcey Davis, Mark Dickinson, Callum Donnan, James S. Dunlop, Richard S. Ellis, Vital Fernández, Adriano Fontana, Seiji Fujimoto, Mauro Giavalisco, Andrea Grazian, Jingsong Guo, Nimish P. Hathi, Benne W. Holwerda, Michaela Hirschmann, Kohei Inayoshi, Jeyhan S. Kartaltepe, Yana Khusanova, Anton M. Koekemoer, Vasily Kokorev, Rebecca L. Larson, Gene C. K. Leung, Ray A. Lucas, Derek J. McLeod, Lorenzo Napolitano, Masafusa Onoue, Fabio Pacucci, Casey Papovich, Pablo G. Pérez-González, Nor Pirzkal, Rachel S. Somerville, Jonathan R. Trump, Stephen M. Wilkins, L. Y. Aaron Yung, Haowen Zhang   +50 more
doaj   +1 more source

Broad-band 20-33-micron photometry of young stars

The Astronomical Journal, 1977
T. Simon, H. M. Dyck
openaire   +1 more source

Narrow-Band and Broad-Band Photometry of Red Stars. III. Southern Giants

The Astrophysical Journal, 1970
O. J. Eggen, N. R. Stokes
openaire   +1 more source

A Large and Precise All-Sky Photometric Standard Star Dataset Across More Than 200 Passbands. [PDF]

Sci Data
Xiao K, Huang Y, Yuan H, Huang B, Fan D, Beers TC, Li Z, Han H, Zhang Q, Wang T, Ma M, Wang Y, Xu S, Yang L, Liu J.   +14 more
europepmc   +1 more source