Search Results
Showing 1-20 of about 50 results.
The Time Domain Spectroscopic Survey: Changing-look Quasar Candidates from Multi-epoch Spectroscopy in SDSS-IVDOI: info:10.3847/1538-4357/ac743fv. 933180
Green, Paul J., Pulgarin-Duque, Lina, Anderson, Scott F., MacLeod, Chelsea L., Eracleous, Michael, Ruan, John J., Runnoe, Jessie, Graham, Matthew, Roulston, Benjamin R., Schneider, Donald P., Ahlf, Austin, Bizyaev, Dmitry, Brownstein, Joel R., del Casal, Sonia Joesephine, Dodd, Sierra A., Hoover, Daniel, Matt, Cayenne, Merloni, Andrea, Pan, Kaike, Ramirez, Arnulfo, and Ridder, Margaret. 2022. "The Time Domain Spectroscopic Survey: Changing-look Quasar Candidates from Multi-epoch Spectroscopy in SDSS-IV." The Astrophysical Journal, 933 180. https://doi.org/10.3847/1538-4357/ac743f.
A Transient "Changing-look" Active Galactic Nucleus Resolved on Month Timescales from First-year Sloan Digital Sky Survey V DataDOI: info:10.3847/2041-8213/ac9a47v. 939L16
Zeltyn, Grisha, Trakhtenbrot, Benny, Eracleous, Michael, Runnoe, Jessie, Trump, Jonathan R., Stern, Jonathan, Shen, Yue, Hernández-García, Lorena, Bauer, Franz E., Yang, Qian, Dwelly, Tom, Ricci, Claudio, Green, Paul, Anderson, Scott F., Assef, Roberto J., Guolo, Muryel, MacLeod, Chelsea, Davis, Megan C., Fries, Logan, Gezari, Suvi, Grogin, Norman A., Homan, David, Koekemoer, Anton M., Krumpe, Mirko, LaMassa, Stephanie et al. 2022. "A Transient "Changing-look" Active Galactic Nucleus Resolved on Month Timescales from First-year Sloan Digital Sky Survey V Data." The Astrophysical Journal, 939 L16. https://doi.org/10.3847/2041-8213/ac9a47.
New Clues to the Evolution of Dwarf Carbon Stars From Their Variability and X-Ray EmissionDOI: info:10.3847/1538-4357/ac4706v. 926210
Roulston, Benjamin R., Green, Paul J., Montez, Rodolfo, Filippazzo, Joseph, Drake, Jeremy J., Toonen, Silvia, Anderson, Scott F., Eracleous, Michael, and Frank, Adam. 2022. "New Clues to the Evolution of Dwarf Carbon Stars From Their Variability and X-Ray Emission." The Astrophysical Journal, 926 210. https://doi.org/10.3847/1538-4357/ac4706.
Unexpected Short-period Variability in Dwarf Carbon Stars from the Zwicky Transient FacilityDOI: info:10.3847/1538-4357/ac157cv. 92233
Roulston, Benjamin R., Green, Paul J., Toonen, Silvia, and Hermes, J. J. 2021. "Unexpected Short-period Variability in Dwarf Carbon Stars from the Zwicky Transient Facility." The Astrophysical Journal, 922 33. https://doi.org/10.3847/1538-4357/ac157c.
The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS SpectraDOI: info:10.3847/1538-4365/ab929ev. 2493
Ahumada, Romina, Allende Prieto, Carlos, Almeida, Andrés, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Arcodia, Riccardo, Armengaud, Eric, Aubert, Marie, Avila, Santiago, Avila-Reese, Vladimir, Badenes, Carles, Balland, Christophe, Barger, Kat, Barrera-Ballesteros, Jorge K., Basu, Sarbani, Bautista, Julian, Beaton, Rachael L., Beers, Timothy C., Benavides, B. Izamar T., Bender, Chad F., Bernardi, Mariangela, Bershady, Matthew, Beutler, Florian et al. 2020. "The 16th Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra." The Astrophysical Journal Supplement Series, 249 3. https://doi.org/10.3847/1538-4365/ab929e.
The Sloan Digital Sky Survey Reverberation Mapping Project: Mg II Lag Results from Four Years of MonitoringDOI: info:10.3847/1538-4357/ababa9v. 90155
Homayouni, Y., Trump, Jonathan R., Grier, C. J., Horne, Keith, Shen, Yue, Brandt, W. N., Dawson, Kyle S., Alvarez, Gloria Fonseca, Green, Paul J., Hall, P. B., Hernández Santisteban, Juan V., Ho, Luis C., Kinemuchi, Karen, Kochanek, C. S., Li, Jennifer I. -Hsiu, Peterson, B. M., Schneider, D. P., Starkey, D. A., Bizyaev, Dmitry, Pan, Kaike, Oravetz, Daniel, and Simmons, Audrey. 2020. "The Sloan Digital Sky Survey Reverberation Mapping Project: Mg II Lag Results from Four Years of Monitoring." The Astrophysical Journal, 901 55. https://doi.org/10.3847/1538-4357/ababa9.
The Sloan Digital Sky Survey Quasar Catalog: Sixteenth Data ReleaseDOI: info:10.3847/1538-4365/aba623v. 2508
Lyke, Brad W., Higley, Alexandra N., McLane, J. N., Schurhammer, Danielle P., Myers, Adam D., Ross, Ashley J., Dawson, Kyle, Chabanier, Solène, Martini, Paul, Busca, Nicolás G., Mas des Bourboux, Hélion du, Salvato, Mara, Streblyanska, Alina, Zarrouk, Pauline, Burtin, Etienne, Anderson, Scott F., Bautista, Julian, Bizyaev, Dmitry, Brandt, W. N., Brinkmann, Jonathan, Brownstein, Joel R., Comparat, Johan, Green, Paul, de la Macorra, Axel, Muñoz Gutiérrez, Andrea et al. 2020. "The Sloan Digital Sky Survey Quasar Catalog: Sixteenth Data Release." The Astrophysical Journal Supplement Series, 250 8. https://doi.org/10.3847/1538-4365/aba623.
The Sloan Digital Sky Survey Reverberation Mapping Project: the XMM-Newton X-Ray Source Catalog and Multiband CounterpartsDOI: info:10.3847/1538-4365/abb5b0v. 25032
Liu, Teng, Merloni, Andrea, Simm, Torben, Green, Paul J., Brandt, William N., Schneider, Donald P., Dwelly, Tom, Salvato, Mara, Buchner, Johannes, Shen, Yue, Nandra, Kirpal, Georgakakis, Antonis, and Ho, Luis C. 2020. "The Sloan Digital Sky Survey Reverberation Mapping Project: the XMM-Newton X-Ray Source Catalog and Multiband Counterparts." The Astrophysical Journal Supplement Series, 250 32. https://doi.org/10.3847/1538-4365/abb5b0.
Close Binary Companions to APOGEE DR16 Stars: 20,000 Binary-star Systems Across the Color-Magnitude DiagramDOI: info:10.3847/1538-4357/ab8accv. 8952
Price-Whelan, Adrian M., Hogg, David W., Rix, Hans-Walter, Beaton, Rachael L., Lewis, Hannah M., Nidever, David L., Almeida, Andrés, Badenes, Carles, Barba, Rodolfo, Beers, Timothy C., Carlberg, Joleen K., De Lee, Nathan, Fernández-Trincado, José G., Frinchaboy, Peter M., García-Hernández, D. A., Green, Paul J., Hasselquist, Sten, Longa-Peña, Penélope, Majewski, Steven R., Nitschelm, Christian, Sobeck, Jennifer, Stassun, Keivan G., Stringfellow, Guy S., and Troup, Nicholas W. 2020. "Close Binary Companions to APOGEE DR16 Stars: 20,000 Binary-star Systems Across the Color-Magnitude Diagram." The Astrophysical Journal, 895 2. https://doi.org/10.3847/1538-4357/ab8acc.
Classifying Single Stars and Spectroscopic Binaries Using Optical Stellar TemplatesDOI: info:10.3847/1538-4365/aba1e7v. 24934
Roulston, Benjamin R., Green, Paul J., and Kesseli, Aurora Y. 2020. "Classifying Single Stars and Spectroscopic Binaries Using Optical Stellar Templates." The Astrophysical Journal Supplement Series, 249 34. https://doi.org/10.3847/1538-4365/aba1e7.
The Sloan Digital Sky Survey Reverberation Mapping Project: Accretion and Broad Emission Line Physics from a Hypervariable QuasarDOI: info:10.3847/1538-4357/ab4354v. 88544
Dexter, Jason, Xin, Shuo, Shen, Yue, Grier, C. J., Liu, Teng, Gezari, Suvi, McGreer, Ian D., Brandt, W. N., Hall, P. B., Horne, Keith, Simm, Torben, Merloni, Andrea, Green, Paul J., Vivek, M., Trump, Jonathan R., Homayouni, Yasaman, Peterson, B. M., Schneider, Donald P., Kinemuchi, K., Pan, Kaike, and Bizyaev, Dmitry. 2019. "The Sloan Digital Sky Survey Reverberation Mapping Project: Accretion and Broad Emission Line Physics from a Hypervariable Quasar." The Astrophysical Journal, 885 44. https://doi.org/10.3847/1538-4357/ab4354.
A Chandra Study: Are Dwarf Carbon Stars Spun Up and Rejuvenated by Mass Transfer?DOI: info:10.3847/1538-4357/ab2bf4v. 88149
Green, Paul J., Montez, Rodolfo, Mazzoni, Fernando, Filippazzo, Joseph, Anderson, Scott F., De Marco, Orsola, Drake, Jeremy J., Farihi, Jay, Frank, Adam, Kastner, Joel H., Miszalski, Brent, and Roulston, Benjamin R. 2019. "A Chandra Study: Are Dwarf Carbon Stars Spun Up and Rejuvenated by Mass Transfer?" The Astrophysical Journal, 881 49. https://doi.org/10.3847/1538-4357/ab2bf4.
Active Galactic Nucleus Pairs from the Sloan Digital Sky Survey. III. Chandra X-Ray Observations Unveil Obscured Double NucleiDOI: info:10.3847/1538-4357/ab3225v. 88241
Hou, Meicun, Liu, Xin, Guo, Hengxiao, Li, Zhiyuan, Shen, Yue, and Green, Paul J. 2019. "Active Galactic Nucleus Pairs from the Sloan Digital Sky Survey. III. Chandra X-Ray Observations Unveil Obscured Double Nuclei." The Astrophysical Journal, 882 41. https://doi.org/10.3847/1538-4357/ab3225.
Changing-look Quasar Candidates: First Results from Follow-up Spectroscopy of Highly Optically Variable QuasarsDOI: info:10.3847/1538-4357/ab05e2v. 8748
MacLeod, Chelsea L., Green, Paul J., Anderson, Scott F., Bruce, Alastair, Eracleous, Michael, Graham, Matthew, Homan, David, Lawrence, Andy, Lebleu, Amy, Ross, Nicholas P., Ruan, John J., Runnoe, Jessie, Stern, Daniel, Burgett, William, Chambers, Kenneth C., Kaiser, Nick, Magnier, Eugene, and Metcalfe, Nigel. 2019. "Changing-look Quasar Candidates: First Results from Follow-up Spectroscopy of Highly Optically Variable Quasars." The Astrophysical Journal, 874 8. https://doi.org/10.3847/1538-4357/ab05e2.
The Time-domain Spectroscopic Survey: Radial Velocity Variability in Dwarf Carbon StarsDOI: info:10.3847/1538-4357/ab1a3ev. 87744
Roulston, Benjamin R., Green, Paul J., Ruan, John J., MacLeod, Chelsea L., Anderson, Scott F., Badenes, Carles, Brownstein, Joel R., Schneider, Donald P., and Stassun, Keivan G. 2019. "The Time-domain Spectroscopic Survey: Radial Velocity Variability in Dwarf Carbon Stars." The Astrophysical Journal, 877 44. https://doi.org/10.3847/1538-4357/ab1a3e.
The Analogous Structure of Accretion Flows in Supermassive and Stellar Mass Black Holes: New Insights from Faded Changing-look QuasarsDOI: info:10.3847/1538-4357/ab3c1av. 88376
Ruan, John J., Anderson, Scott F., Eracleous, Michael, Green, Paul J., Haggard, Daryl, MacLeod, Chelsea L., Runnoe, Jessie C., and Sobolewska, Malgosia A. 2019. "The Analogous Structure of Accretion Flows in Supermassive and Stellar Mass Black Holes: New Insights from Faded Changing-look Quasars." The Astrophysical Journal, 883 76. https://doi.org/10.3847/1538-4357/ab3c1a.
The Sloan Digital Sky Survey Reverberation Mapping Project: Improving Lag Detection with an Extended Multiyear BaselineDOI: info:10.3847/2041-8213/ab3e0fv. 883L14
Shen, Yue, Grier, C. J., Horne, Keith, Brandt, W. N., Trump, J. R., Hall, P. B., Kinemuchi, K., Starkey, David, Schneider, D. P., Ho, Luis C., Homayouni, Y., I-Hsiu Li, Jennifer, McGreer, Ian D., Peterson, B. M., Bizyaev, Dmitry, Chen, Yuguang, Dawson, K. S., Eftekharzadeh, Sarah, Green, Paul J., Guo, Yucheng, Jia, Siyao, Jiang, Linhua, Kneib, Jean-Paul, Li, Feng, Li, Zefeng et al. 2019. "The Sloan Digital Sky Survey Reverberation Mapping Project: Improving Lag Detection with an Extended Multiyear Baseline." The Astrophysical Journal, 883 L14. https://doi.org/10.3847/2041-8213/ab3e0f.
The Sloan Digital Sky Survey Reverberation Mapping Project: Sample CharacterizationDOI: info:10.3847/1538-4365/ab074fv. 24134
Shen, Yue, Hall, Patrick B., Horne, Keith, Zhu, Guangtun, McGreer, Ian, Simm, Torben, Trump, Jonathan R., Kinemuchi, Karen, Brandt, W. N., Green, Paul J., Grier, C. J., Guo, Hengxiao, Ho, Luis C., Homayouni, Yasaman, Jiang, Linhua, I-Hsiu Li, Jennifer, Morganson, Eric, Petitjean, Patrick, Richards, Gordon T., Schneider, Donald P., Starkey, D. A., Wang, Shu, Chambers, Ken, Kaiser, Nick, Kudritzki, Rolf-Peter et al. 2019. "The Sloan Digital Sky Survey Reverberation Mapping Project: Sample Characterization." The Astrophysical Journal Supplement Series, 241 34. https://doi.org/10.3847/1538-4365/ab074f.
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point Observatory Galactic Evolution ExperimentDOI: info:10.3847/1538-4365/aa9e8av. 23542
Abolfathi, Bela, Aguado, D. S., Aguilar, Gabriela, Allende Prieto, Carlos, Almeida, Andres, Tasnim Ananna, Tonima, Anders, Friedrich, Anderson, Scott F., Andrews, Brett H., Anguiano, Borja, Aragón-Salamanca, Alfonso, Argudo-Fernández, Maria, Armengaud, Eric, Ata, Metin, Aubourg, Eric, Avila-Reese, Vladimir, Badenes, Carles, Bailey, Stephen, Balland, Christophe, Barger, Kathleen A., Barrera-Ballesteros, Jorge, Bartosz, Curtis, Bastien, Fabienne, Bates, Dominic, Baumgarten, Falk et al. 2018. "The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point Observatory Galactic Evolution Experiment." The Astrophysical Journal Supplement Series, 235 42. https://doi.org/10.3847/1538-4365/aa9e8a.
The Time-domain Spectroscopic Survey: Target Selection for Repeat SpectroscopyDOI: info:10.3847/1538-3881/aa99dav. 1556
MacLeod, Chelsea L., Green, Paul J., Anderson, Scott F., Eracleous, Michael, Ruan, John J., Runnoe, Jessie, Nielsen Brandt, William, Badenes, Carles, Greene, Jenny, Morganson, Eric, Schmidt, Sarah J., Schwope, Axel, Shen, Yue, Amaro, Rachael, Lebleu, Amy, Filiz Ak, Nurten, Grier, Catherine J., Hoover, Daniel, McGraw, Sean M., Dawson, Kyle, Hall, Patrick B., Hawley, Suzanne L., Mariappan, Vivek, Myers, Adam D., Pâris, Isabelle et al. 2018. "The Time-domain Spectroscopic Survey: Target Selection for Repeat Spectroscopy." The Astronomical Journal, 155 6. https://doi.org/10.3847/1538-3881/aa99da.