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  • Chandra detection of X-ray emission lines from the blast wave of V745 Sco 
    Drake, Jeremy J.; Starrfield, S.; Osborne, J. U.; Ness J.P.; Page, K.; Shore, S. N.; Wagner, R. M.; Woodward, C. E. (2014)
    The recurrent nova V745 Sco was discovered in outburst on 2014 Feb 6 (CBET #3803) and was observed by the Chandra X-ray Observatory Low-Energy (LETG) grating on 2014 February 22.52 and 23.43 UT, and by the High-Energy ...
  • Chandra Early-type Galaxy Atlas 
    Kim, Dong-Woo; Anderson, Craig S.; Burke, Douglas J.; D'Abrusco, Raffaele; Fabbiano, Giuseppina; Fruscione, Antonella; Lauer, Jennifer; McCollough, Michael; Morgan, Douglas; Mossman, Amy; O'Sullivan, Ewan; Paggi, Alessandro; Vrtilek, Saeqa; Trinchieri, Ginevra (2019)
    The hot interstellar medium (ISM) in early-type galaxies (ETGs) plays a crucial role in understanding their formation and evolution. The structural features of the hot gas identified by Chandra observations point to key ...
  • Chandra Evidence for AGN Feedback in the Spiral Galaxy NGC 6764 
    Croston, J. H.; Hardcastle, Martin J.; Kharb, P.; Kraft, R. P.; Hota, A. (2008)
  • Chandra grating spectroscopy of three hot white dwarfs 
    Adamczak, J.; Werner, K.; Rauch, T.; Schuh, S.; Drake, Jeremy J.; Kruk, J. W. (2012)
    Context. High-resolution soft X-ray spectroscopic observations of single hot white dwarfs are scarce. With the Chandra Low-Energy Transmission Grating, we have observed two white dwarfs, one is of spectral type DA (LB 1919) ...
  • Chandra High Energy Transmission Gratings Spectra of V3890 Sgr 
    Orio, M.; Drake, Jeremy J.; Ness, J. -U; Behar, E.; Luna, G. J. M.; Darnley, M. J.; Gallagher, J.; Gehrz, R. D.; Kuin, N. P. M.; Mikolajewska, J.; Ospina, N.; Page, K. L.; Poggiani, R.; Starrfield, S.; Williams, R.; Woodward, C. E. (2020)
    The recurrent nova (RN) V3890 Sgr was observed during the seventh day after the onset of its most recent outburst, with the Chandra ACIS-S camera and High Energy Transmission Gratings. A rich emission line spectrum was ...
  • Chandra High-resolution observations of CID-42, a Candidate Recoiling Supermassive Black Hole 
    Civano, Francesca; Elvis, M.; Lanzuisi, G.; Aldcroft, Thomas L.; Trichas, M.; Bongiorno, A.; Brusa, M.; Blecha, L.; Comastri, A.; Loeb, A.; Salvato, M.; Fruscione, A.; Koekemoer, A.; Komossa, S.; Gilli, R.; Mainieri, V.; Piconcelli, E.; Vignali, C. (2012)
    We present Chandra High Resolution Camera observations of CID-42, a candidate recoiling supermassive black hole (SMBH) at z = 0.359 in the COSMOS survey. CID-42 shows two optical compact sources resolved in the HST/ACS ...
  • The Chandra High-resolution X-Ray Spectrum of Quiescent Emission from Sgr A* 
    Corrales, Lia; Baganoff, F. K.; Wang, Q. D.; Nowak, M.; Neilsen, J.; Markoff, S.; Haggard, D.; Davis, James; Houck, John C.; Principe, D. (2020)
    In quiescence, Sgr A* is surprisingly dim, shining 100,000 times less than expected for its environment. This problem has motivated a host of theoretical models to explain radiatively inefficient accretion flows. The Chandra ...
  • The Chandra HRC View of the Subarcsecond Structures in the Nuclear Region of NGC 1068 
    Wang, Junfeng; Fabbiano, Giuseppina; Karovska, Margarita; Elvis, Martin; Risaliti, Guido (2012)
    We have obtained a high spatial resolution X-ray image of the nucleus of NGC 1068 using the High Resolution Camera (HRC-I) on board the Chandra X-ray Observatory, which provides an unprecedented view of the innermost 1 ...
  • Chandra Identification of 26 New Black Hole Candidates in the Central Region of M31 
    Barnard, R.; Garcia, M. R.; Murray, Stephen S. (2013)
    We have previously identified 10 M31 black hole candidates (BHCs) in M31 from their X-ray properties alone. They exhibit "hard state" emission spectra that are seen at luminosities lsim10% Eddington in X-ray ...
  • Chandra Imaging of the Western Hotspot in the Radio Galaxy Pictor A: Image Deconvolution and Variability Analysis 
    Thimmappa, R.; Stawarz, L.; Marchenko, V.; Balasubramaniam, K.; Cheung, C. C.; Siemiginowska, Aneta (2020)
    Here we present an analysis of the X-ray morphology and flux variability of the particularly bright and extended western hotspot in the nearest powerful (FR II-type) radio galaxy, Pictor A, based on data obtained with the ...
  • The Chandra Local Volume Survey. I. The X-Ray Point Source Populations of NGC 55, NGC 2403, and NGC 4214 
    Binder, B.; Williams, B. F.; Eracleous, M.; Plucinsky, Paul P.; Gaetz, T. J.; Anderson, S. F.; Skillman, E. D.; Dalcanton, J. J.; Kong, A. K. H.; Weisz, D. R. (2015)
    We present comprehensive X-ray point source catalogs of NGC 55, NGC 2403, and NGC 4214 as part of the Chandra Local Volume Survey. The combined archival observations have effective exposure times of 56.5 ks, 190 ks, and ...
  • The Chandra Local Volume Survey: The X-Ray Point-source Catalog of NGC 300 
    Binder, B.; Williams, B. F.; Eracleous, M.; Gaetz, T. J.; Plucinsky, Paul P.; Skillman, E. D.; Dalcanton, J. J.; Anderson, S. F.; Weisz, D. R.; Kong, A. K. H. (2012)
    We present the source catalog of a new Chandra ACIS-I observation of NGC 300 obtained as part of the Chandra Local Volume Survey. Our 63 ks exposure covers ~88% of the D <SUB>25</SUB> isophote (R ? 6.3 kpc) and yields a ...
  • The Chandra Local Volume Survey: The X-Ray Point-source Population of NGC 404 
    Binder, B.; Williams, B. F.; Eracleous, M.; Gaetz, T. J.; Kong, A. K. H.; Skillman, E. D.; Weisz, D. R. (2013)
    We present a comprehensive X-ray point-source catalog of NGC 404 obtained as part of the Chandra Local Volume Survey. A new 97 ks Chandra ACIS-S observation of NGC 404 was combined with archival observations for a total ...
  • Chandra measurements of a complete sample of X-ray luminous galaxy clusters: the luminosity-mass relation 
    Giles, P. A.; Maughan, B. J.; Dahle, H.; Bonamente, M.; Landry, D.; Jones, C.; Joy, M.; Murray, Stephen S.; van der Pyl, N. (2017)
    We present the results of work involving a statistically complete sample of 34 galaxy clusters, in the redshift range 0.15 <= z <= 0.3 observed with Chandra. We investigate the luminosity-mass (LM) relation for the cluster ...
  • Chandra monitoring of the candidate anomalous X-ray pulsar AX J1845.0-0258 
    Tam, Cindy R.; Kaspi, Victoria M.; Gaensler, Bryan M.; Gotthelf, Eric V. (2007)
    The population of clearly identified anomalous X-ray pulsars has recently grown to seven, however, one candidate anomalous X-ray pulsar (AXP) still eludes re-confirmation. Here, we present a set of seven Chandra ACIS-S ...
  • Chandra monitoring of UGC 4203: the structure of the X-ray absorber 
    Risaliti, Guido; Elvis, Martin; Bianchi, S.; Matt, G. (2010)
    ABSTRACT We present a Chandra monitoring campaign of the highly variable Seyfert galaxy UGC 4203 (the `Phoenix Galaxy&#39;) which revealed variations in the X-ray absorbing column density on time-scales of 2 weeks. This ...
  • The Chandra Multi-wavelength Project: Optical Spectroscopy and the Broadband Spectral Energy Distributions of X-Ray-selected AGNs 
    Trichas, Markos; Green, Paul J.; Silverman, John D.; Aldcroft, Thomas L.; Barkhouse, Wayne; Cameron, Robert A.; Constantin, Anca; Ellison, Sara L.; Foltz, Craig; Haggard, Daryl; Jannuzi, Buell T.; Kim, Dong-Woo; Marshall, Herman L.; Mossman, Amy; Pérez, Laura M.; Romero-Colmenero, Encarni; Ruiz, Angel; Smith, Malcolm G.; Smith, Paul S.; Torres, Guillermo; Wik, Daniel R.; Wilkes, Belinda J.; Wolfgang, Angie (2012)
    From optical spectroscopy of X-ray sources observed as part of the Chandra Multi-wavelength Project (ChaMP), we present redshifts and classifications for a total of 1569 Chandra sources from our targeted spectroscopic ...
  • Chandra Observation of Abell 1142: A Cool-core Cluster Lacking a Central Brightest Cluster Galaxy? 
    Su, Yuanyuan; Buote, David A.; Gastaldello, Fabio; van Weeren, Reinout (2016)
    Abell 1142 is a low-mass galaxy cluster at low redshift containing two comparable brightest cluster galaxies (BCGs) resembling a scaled-down version of the Coma Cluster. Our Chandra analysis reveals an X-ray emission peak, ...
  • Chandra Observation of Polaris: Census of Low-mass Companions 
    Evans, Nancy Remage; Guinan, Edward; Engle, Scott; Wolk, Scott J.; Schlegel, Eric; Mason, Brian D.; Karovska, Margarita; Spitzbart, Bradley (2010)
    We have observed Cepheid Polaris (? UMi A: F7 Ib [Aa] + F6 V [Ab]) with Chandra ACIS-I for 10 ks. An X-ray source was found at the location
  • A Chandra Observation of Supernova Remnant G350.1 0.3 and Its Central Compact Object 
    Lovchinsky, I.; Slane, P.; Gaensler, B. M.; Hughes, J. P.; Ng, C. Y.; Lazendic, J. S.; Gelfand, J. D.; Brogan, C. L. (2011)
    We present a new Chandra observation of supernova remnant (SNR) G350.1 0.3. The high-resolution X-ray data reveal previously unresolved filamentary structures and allow us to perform detailed spectroscopy in the diffuse ...

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