Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "A very-high-energy component deep in the γ-ray burst afterglow" Nature575 (2019), 464 DOI: 10.1038/s41586-019-1743-9
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Constraints on the emission region of 3C 279 during strong flares in 2014 and 2015 through VHE γ-ray observations with H.E.S.S." Astron. Astrophys.627 (2019), A159 DOI: 10.1051/0004-6361/201935704
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. and Suzaku observations of the Vela X pulsar wind nebula" Astron. Astrophys.627 (2019), A100 DOI: 10.1051/0004-6361/201935458
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. observations of the flaring gravitationally lensed galaxy PKS 1830-211" Mon. Not. R. Astron. Soc. 486 (2019), 3886 DOI: 10.1093/mnras/stz1031
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Particle transport within the pulsar wind nebula HESS J1825-137" Astron. Astrophys.621 (2019), A116 DOI: 10.1051/0004-6361/201834335
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "The 2014 TeV γ-Ray Flare of Mrk 501 Seen with H.E.S.S.: Temporal and Spectral Constraints on Lorentz Invariance Violation" Astrophys. J. 870 (2019), 93 DOI: 10.3847/1538-4357/aaf1c4
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Upper limits on very-high-energy gamma-ray emission from core-collapse supernovae observed with H.E.S.S." Astron. Astrophys.626 (2019), A57 DOI: 10.1051/0004-6361/201935242
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "VHE γ-ray discovery and multiwavelength study of the blazar 1ES 2322-409" Mon. Not. R. Astron. Soc. 482 (2019), 3011 DOI: 10.1093/mnras/sty2686
2018
M. Gawroński, K. Goździewski, K. Katarzyński, G. Rycyk " Another look at AM Herculis - radio-astrometric campaign with the e-EVN at 6 cm" Mon. Not. R. Astron. Soc. 475 (2018), 1399-1409 DOI: 10.1093/mnras/stx3175
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "A search for new supernova remnant shells in the Galactic plane with H.E.S.S. " Astron. Astrophys.612 (2018), A8 DOI: 10.1051/0004-6361/201730737
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "A search for very high-energy flares from the microquasars GRS 1915+105, Circinus X-1, and V4641 Sgr using contemporaneous H.E.S.S. and RXTE observations" Astron. Astrophys.612 (2018), A10 DOI: 10.1051/0004-6361/201527773
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Characterising the VHE diffuse emission in the central 200 parsecs of our Galaxy with H.E.S.S." Astron. Astrophys.612 (2018), A9 DOI: 10.1051/0004-6361/201730824
Ahnen, M. L., K. Katarzyński, H.E.S.S. Collaboration "Constraints on particle acceleration in SS433/W50 from MAGIC and H.E.S.S. observations" Astron. Astrophys.612 (2018), A14 DOI: 10.1051/0004-6361/201731169
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Deeper H.E.S.S. observations of Vela Junior (RX J0852.0-4622): Morphology studies and resolved spectroscopy" Astron. Astrophys.612 (2018), A7 DOI: 10.1051/0004-6361/201630002
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Detailed spectral and morphological analysis of the shell type supernova remnant RCW 86" Astron. Astrophys.612 (2018), A4 DOI: 10.1051/0004-6361/201526545
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Detection of variable VHE γ-ray emission from the extra-galactic γ-ray binary LMC P3" Astron. Astrophys.610 (2018), L17 DOI: 10.1051/0004-6361/201732426
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Extended VHE γ-ray emission towards SGR1806-20, LBV 1806-20, and stellar cluster Cl* 1806-20" Astron. Astrophys.612 (2018), A11 DOI: 10.1051/0004-6361/201628695
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "First ground-based measurement of sub-20 GeV to 100 GeV γ-Rays from the Vela pulsar with H.E.S.S. II" Astron. Astrophys.620 (2018), A66 DOI: 10.1051/0004-6361/201732153
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. discovery of very high energy γ-ray emission from PKS 0625-354" Mon. Not. R. Astron. Soc. 476 (2018), 4187 DOI: 10.1093/mnras/sty439
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. observations of RX J1713.7-3946 with improved angular and spectral resolution: Evidence for gamma-ray emission extending beyond the X-ray emitting shell" Astron. Astrophys.612 (2018), A6 DOI: 10.1051/0004-6361/201629790
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "HESS J1741-302: a hidden accelerator in the Galactic plane" Astron. Astrophys.612 (2018), A13 DOI: 10.1051/0004-6361/201730581
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Population study of Galactic supernova remnants at very high γ-ray energies with H.E.S.S." Astron. Astrophys.612 (2018), A3 DOI: 10.1051/0004-6361/201732125
Abdallah, H., K. Katarzyński, H.E.S.S. Collaboration "Search for γ -Ray Line Signals from Dark Matter Annihilations in the Inner Galactic Halo from 10 Years of Observations with H.E.S.S." Phys. Rev. Lett.120 (2018), 201101 DOI: 10.1103/PhysRevLett.120.201101
Cirelli, M., K. Katarzyński, H.E.S.S. Collaboration "Searches for gamma-ray lines and 'pure WIMP' spectra from Dark Matter annihilations in dwarf galaxies with H.E.S.S. " J. Cosmol. Astropart. Phys. 11 (2018), 037 DOI: 10.1088/1475-7516/2018/11/037
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "Systematic search for very-high-energy gamma-ray emission from bow shocks of runaway stars" Astron. Astrophys.612 (2018), A12 DOI: 10.1051/0004-6361/201630151
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "The H.E.S.S. Galactic plane survey" Astron. Astrophys.612 (2018), A1 DOI: 10.1051/0004-6361/201732098
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "The population of TeV pulsar wind nebulae in the H.E.S.S. Galactic Plane Survey" Astron. Astrophys.612 (2018), A2 DOI: 10.1051/0004-6361/201629377
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "The starburst galaxy NGC 253 revisited by H.E.S.S. and Fermi-LAT " Astron. Astrophys.617 (2018), A73 DOI: 10.1051/0004-6361/201833202
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "The supernova remnant W49B as seen with H.E.S.S. and Fermi-LAT" Astron. Astrophys.612 (2018), A5 DOI: 10.1051/0004-6361/201527843
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "The γ-ray spectrum of the core of Centaurus A as observed with H.E.S.S. and Fermi-LAT" Astron. Astrophys.619 (2018), A71 DOI: 10.1051/0004-6361/201832640
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "VHE γ-ray discovery and multi-wavelength study of the blazar 1ES 2322-409" Mon. Not. R. Astron. Soc. 1 (2018), 1 DOI: doi: 10.1093/mnras/sty2686
2017
Abdalla, H., K. Katarzyński, H.E.S.S Collaboration " Characterizing the gamma-ray long-term variability of PKS 2155-304 with H.E.S.S. and Fermi-LAT" Astron. Astrophys.598 (2017), A39 DOI: 10.1051/0004-6361/201629419
Abdalla, H., K. Katarzyński, H.E.S.S Collaboration " Measurement of the EBL spectral energy distribution using the VHE gamma-ray spectra of H.E.S.S. blazars" Astron. Astrophys.606 (2017), 11 DOI: 10.1051/0004-6361/201731200
Petroff, E., K. Katarzyński, H.E.S.S Collaboration "A polarized fast radio burst at low Galactic latitude" Mon. Not. R. Astron. Soc. 469 (2017), 4465 DOI: 10.1093/mnras/stx1098
Petroff, E., K. Katarzyński, H.E.S.S Collaboration "A polarized fast radio burst at low Galactic latitude" Mon. Not. R. Astron. Soc. 469 (2017), 4465-4482 DOI: 10.1093/mnras/stx1098
Abdalla, H., K. Katarzyński, H.E.S.S Collaboration "First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst. H.E.S.S. observations of FRB 150418" Astron. Astrophys.597 (2017), A115 DOI: 10.1051/0004-6361/201629117
Abdalla, H., K. Katarzyński, H.E.S.S Collaboration "Gamma-ray blazar spectra with H.E.S.S. II mono analysis: The case of PKS 2155-304 and PG 1553+113" Astron. Astrophys.600 (2017), A89 DOI: 10.1051/0004-6361/201629427
M. Cegłowski, Hayashi, Takayuki J., M. Kunert-Bajraszewska, K. Katarzyński "High-frequency monitoring of quasars with absorption lines" Publ. Astron. Soc. Jap.69 (2017), 77 DOI: 10.1093/pasj/psx060
Abbott, B. P., K. Katarzyński, and many authors from different scietific projects "Multi-messenger Observations of a Binary Neutron Star Merger" Astrophys. J. 848 (2017), 12 DOI: 10.3847/2041-8213/aa91c9
M. Gawroński, K. Goździewski, K. Katarzyński "Physical properties and astrometry of radio-emitting brown dwarf TVLM 513-46546 revisited" Mon. Not. R. Astron. Soc. 466 (2017), 4211-4220 DOI: 10.1093/mnras/stw3329
M. Gawroński, K. Goździewski, K. Katarzyński "Physical properties and astrometry of radio-emitting brown dwarf TVLM513-46546 revisited" Mon. Not. R. Astron. Soc. 466 (2017), 4211-4220 DOI: https://doi.org/10.1093/mnras/stw3329
Abdalla, H., K. Katarzyński, H.E.S.S Collaboration "TeV Gamma-Ray Observations of the Binary Neutron Star Merger GW170817 with H.E.S.S." Astrophys. J. 850 (2017), 22 DOI: 10.3847/2041-8213/aa97d2
2016
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Acceleration of petaelectronvolt protons in the Galactic Centre" Nature531 (2016), 476-479 DOI: 10.1038/nature17147
Abdalla, H., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. Limits on Linelike Dark Matter Signatures in the 100 GeV to 2 TeV Energy Range Close to the Galactic Center" Phys. Rev. Lett.117 (2016), 151302-151302-7 DOI: 10.1103/PhysRevLett.117.151302
Abdallah, H., K. Katarzyński, H.E.S.S. Collaboration "Search for Dark Matter Annihilations towards the Inner Galactic Halo from 10 Years of Observations with H.E.S.S." Geophys. Res. Lett.117 (2016), 111301-111301-6 DOI: 10.1103/PhysRevLett.117.111301
K. Katarzyński, M. Gawroński, K. Goździewski "Search for exoplanets and brown dwarfs with VLBI" Mon. Not. R. Astron. Soc. 461 (2016), 929-938 DOI: 10.1093/mnras/stw1354
2015
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration " The exceptionally powerful TeV gamma-ray emitters in the Large Magellanic Cloud" Sci347 (2015), 406 DOI: 10.1126/science.1261313
M. Kunert-Bajraszewska, K. Katarzyński, Agnieszka Janiuk "Broadband nuclear emission in two radio-loud broad absorption line quasars" Astron. Astrophys.574 (2015), 110-118 DOI: 10.1051/0004-6361/201424729
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Constraints on an Annihilation Signal from a Core of Constant Dark Matter Density around the Milky Way Center with H.E.S.S. " Phys. Rev. Lett.114 (2015), 081301 DOI: 10.1103/PhysRevLett.114.081301
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Discovery of the VHE gamma-ray source HESS J1832-093 in the vicinity of SNR G22.7-0.2 " Mon. Not. R. Astron. Soc. 446 (2015), 1163 DOI: 10.1093/mnras/stu2148
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Discovery of variable VHE gamma-ray emission from the binary system 1FGL J1018.6-5856" Astron. Astrophys.557 (2015), A131 DOI: 10.1051/0004-6361/201525699
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. detection of TeV emission from the interaction region between the supernova remnant G349.7+0.2 and a molecular cloud " Astron. Astrophys.574 (2015), A100 DOI: 10.1051/0004-6361/201425070
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. reveals a lack of TeV emission from the supernova remnant Puppis A" Astron. Astrophys.575 (2015), A81 DOI: 10.1051/0004-6361/201424805
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Probing the gamma-ray emission from HESS J1834-087 using H.E.S.S. and Fermi LAT observations " Astron. Astrophys.574 (2015), A27 DOI: 10.1051/0004-6361/201322694
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "The 2012 Flare of PG 1553+113 Seen with H.E.S.S. and Fermi-LAT" Astrophys. J. 802 (2015), 65 DOI: 10.1088/0004-637X/802/1/65
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "The high-energy gamma-ray emission of AP Librae" Astron. Astrophys.573 (2015), a31 DOI: 10.1051/0004-6361/201321436
2014
Abramowski, A., K. Katarzyński, H.E.S.S Collaboration " TeV & g amma-ray observations of the young synchrotron-dominated SNRs G1.9+0.3 and G330.2+1.0 with H.E.S.S. " Mon. Not. R. Astron. Soc. 441 (2014), 790-799 DOI: 10.1093/mnras/stu459
Abramowski, A., K. Katarzyński, H.E.S.S Collaboration "Diffuse Galactic gamma-ray emission with H.E.S.S." Phys. Rev. D90 (2014), 122007 DOI: 10.1103/PhysRevD.90.122007
Abramowski, A., K. Katarzyński, H.E.S.S Collaboration "Discovery of the Hard Spectrum VHE & gamma-Ray Source HESS J1641-463 " Astrophys. J. 794 (2014), LL1 DOI: 10.1088/2041-8205/794/1/L1
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Flux upper limits for 47 AGN observed with H.E.S.S. in 2004-2011 " Astron. Astrophys.564 (2014), A9 DOI: 10.1051/0004-6361/201322897
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "H.E.S.S. observations of the Crab during its March 2013 GeV gamma-ray flare" Astron. Astrophys.562 (2014), L4 DOI: 10.1051/0004-6361/201323013
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "HESS J1640-465 - an exceptionally luminous TeV gamma-ray supernova remnant " Mon. Not. R. Astron. Soc. 439 (2014), 2828 DOI: 0.1093/mnras/stu139
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "HESS J1818-154, a new composite supernova remnant discovered in TeV gamma rays and X-rays " Astron. Astrophys.562 (2014), A40 DOI: 10.1051/0004-6361/201322914
Abramowski, A., K. Katarzyński, H.E.S.S Collaboration "Long-term monitoring of PKS 2155-304 with ATOM and H.E.S.S.: investigation of optical &gamma-ray correlations in different spectral states" Astron. Astrophys.571 (2014), AA39 DOI: 10.1051/0004-6361/201424142
Aliu, E., K. Katarzyński, H.E.S.S. Collaboration "Long-term TeV and X-Ray Observations of the Gamma-Ray Binary HESS J0632+057" Astrophys. J. 780 (2014), 168 DOI: 10.1088/0004-637X/780/2/168
Abramowski, A., K. Katarzyński, H.E.S.S Collaboration "Search for dark matter annihilation signatures in H.E.S.S. observations of dwarf spheroidal galaxies " Phys. Rev. D90 (2014), 112012 DOI: 10.1103/PhysRevD.90.112012
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Search for extended γ-ray emission around AGN with H.E.S.S. and Fermi-LAT " Astron. Astrophys.562 (2014), A145 DOI: 10.1051/0004-6361/201322510
Abramowski, A., K. Katarzyński, H.E.S.S Collaboration "Search for TeV Gamma-ray Emission from GRB 100621A, an extremely bright GRB in X-rays, with H.E.S.S. " Astron. Astrophys. 565 (2014), AA16 DOI: 10.1051/0004-6361/201322984
2013
Sol, H., CTA Collaboration, K. Katarzyński "Active Galactic Nuclei under the scrutiny of CTA " Astropart. Phys. 43 (2013), 215 DOI: 10.1016/j.astropartphys.2012.12.005
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Constraints on axionlike particles with H.E.S.S. from the irregularity of the PKS 2155-304 energy spectrum " Phys. Rev. D88 (2013), 102003 DOI: 10.1103/PhysRevD.88.102003
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Discovery of high and very high-energy emission from the BL Lacertae object SHBL J001355.9-185406 " Astron. Astrophys.554 (2013), A72 DOI: 10.1051/0004-6361/201220996
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Discovery of TeV γ-ray emission from PKS 0447-439 and derivation of an upper limit on its redshift " Astron. Astrophys.552 (2013), A118 DOI: 10.1051/0004-6361/201321108
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Discovery of very high energy γ-ray emission from the BL Lacertae object PKS 0301-243 with H.E.S.S." Astron. Astrophys.559 (2013), A136 DOI: 10.1051/0004-6361/201321639
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "H.E.S.S. discovery of VHE γ-rays from the quasar PKS 1510-089 " Astron. Astrophys.554 (2013), A107 DOI: 10.1051/0004-6361/201321135
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "H.E.S.S. observations of the binary system PSR B1259-63/LS 2883 around the 2010/2011 periastron passage " Astron. Astrophys.551 (2013), A94 DOI: 10.1051/0004-6361/201220612
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "HESS and Fermi-LAT discovery of γ-rays from the blazar 1ES 1312-423 " Mon. Not. R. Astron. Soc. 434 (2013), 1889-1901 DOI: 10.1093/mnras/stt1081
Acharya, B. S., CTA Collaboration, K. Katarzyński "Introducing the CTA concept " Astropart. Phys. 43 (2013), 3 DOI: 10.1016/j.astropartphys.2013.01.007
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with H.E.S.S. " Astron. Astrophys.550 (2013), A4 DOI: 10.1051/0004-6361/201220355
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Search for Photon-Linelike Signatures from Dark Matter Annihilations with H.E.S.S. " Phys. Rev. Lett.110 (2013), 041301 DOI: 10.1103/PhysRevLett.110.041301
Abramowski, A., H.E.S.S. Collaboration, K. Katarzyński "Search for very-high-energy γ-ray emission from Galactic globular clusters with H.E.S.S. " Astron. Astrophys.551 (2013), A26 DOI: 10.1051/0004-6361/201220719
2012
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "A multiwavelength view of the flaring state of PKS 2155-304 in 2006" Astron. Astrophys.539 (2012), A149 DOI: 10.1051/0004-6361/201117509
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Constraints on the gamma-ray emission from the cluster-scale AGN outburst in the Hydra A galaxy cluster" Astron. Astrophys.545 (2012), A103 DOI: 10.1051/0004-6361/201219655
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Discovery of extended VHE γ-ray emission from the vicinity of the young massive stellar cluster Westerlund 1" Astron. Astrophys.537 (2012), A114 DOI: 10.1051/0004-6361/201117928
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Discovery of gamma-ray emission from the extragalactic pulsar wind nebula N 157B with H.E.S.S. " Astron. Astrophys.545 (2012), L2 DOI: 10.1051/0004-6361/201219906
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Discovery of VHE emission towards the Carina arm region with the H.E.S.S. telescope array: HESS J1018-589" Astron. Astrophys.541 (2012), A5 DOI: 10.1051/0004-6361/201218843
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Discovery of VHE gamma-ray emission and multi-wavelength observations of the BL Lacertae object 1RXS J101015.9-311909 " Astron. Astrophys.542 (2012), A94 DOI: 10.1051/0004-6361/201218910
K. Katarzyński "Hard MeV-GeV spectra of blazars " Astron. Astrophys.537 (2012), A47 DOI: 10.1051/0004-6361/201116839
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "HESS observations of the Carina nebula and its enigmatic colliding wind binary Eta Carinae " Mon. Not. R. Astron. Soc. 424 (2012), 128-135 DOI: 10.1111/j.1365-2966.2012.21180.x
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Identification of HESS J1303-631 as a pulsar wind nebula through gamma-ray, X-ray, and radio observations" Astron. Astrophys.548 (2012), A46 DOI: 10.1051/0004-6361/201219814
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Probing the extent of the non-thermal emission from the Vela X region at TeV energies with H.E.S.S. " Astron. Astrophys.548 (2012), A38 DOI: 10.1051/0004-6361/201219919
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Search for Dark Matter Annihilation Signals from the Fornax Galaxy Cluster with H.E.S.S. " Astrophys. J. 750 (2012), 123 DOI: 10.1088/0004-637X/750/2/123
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "Spectral Analysis and Interpretation of the gamma-Ray Emission from the Starburst Galaxy NGC 253 " Astrophys. J. 757 (2012), 158 DOI: 10.1088/0004-637X/757/2/158
Abramowski, A., K. Katarzyński, H.E.S.S. Collaboration "The 2010 Very High Energy gamma-Ray Flare and 10 Years of Multi-wavelength Observations of M 87 " Astrophys. J. 746 (2012), 151 DOI: 10.1088/0004-637X/746/2/151