Professor Sam Nolan's Outputs (92)

Detection of very-high-energy $\gamma$-ray emission from the vicinity of PSR B1706-44 and G 343.1-2.3 with H.E.S.S. (2011)
Journal Article
Collaboration, H., Abramowski, A., Acero, F., Aharonian, F., Akhperjanian, A., Anton, G., …Giacani, E. (2011). Detection of very-high-energy $\gamma$-ray emission from the vicinity of PSR B1706-44 and G 343.1-2.3 with H.E.S.S. Astronomy & Astrophysics, 528, https://doi.org/10.1051/0004-6361/201015381

Search for a Dark Matter Annihilation Signal from the Galactic Center Halo with H.E.S.S. (2011)
Journal Article
Abramowski, A., Acero, F., Aharonian, F., Akhperjanian, A., Anton, G., Barnacka, A., …Zechlin, H. (2011). Search for a Dark Matter Annihilation Signal from the Galactic Center Halo with H.E.S.S. Physical Review Letters, 106(16), https://doi.org/10.1103/physrevlett.106.161301

H.E.S.S. constraints on dark matter annihilations towards the sculptor and carina dwarf galaxies (2011)
Journal Article
Collaboration, H., Abramowski, A., Acero, F., Aharonian, F., Akhperjanian, A., Anton, G., …Collaboration, H. (2011). H.E.S.S. constraints on dark matter annihilations towards the sculptor and carina dwarf galaxies. Astroparticle Physics, 34(8), 608-616. https://doi.org/10.1016/j.astropartphys.2010.12.006

Detailed studies of atmospheric calibration in imaging Cherenkov astronomy (2010)
Journal Article
Nolan, S., Pühlhofer, G., & Rulten, C. (2010). Detailed studies of atmospheric calibration in imaging Cherenkov astronomy. Astroparticle Physics, 34, 304-313

► A ceilometer was used to probe the atmosphere above the TeV instrument H.E.S.S. ► The atmosphere was modelled using MODTRAN and used in cosmic-ray simulations. ► Cosmic-ray simulations were matched to real background data. ► TeV Gamma-ray data affe... Read More about Detailed studies of atmospheric calibration in imaging Cherenkov astronomy.

First detection of VHE $\gamma$-rays from SN 1006 by HESS (2010)
Journal Article
Acero, F., Aharonian, F., Akhperjanian, A., Anton, G., Barres de Almeida, U., Bazer-Bachi, A., …Collaboration, H. (2010). First detection of VHE $\gamma$-rays from SN 1006 by HESS. Astronomy & Astrophysics, 516, https://doi.org/10.1051/0004-6361/200913916

Erratum to "Observations of the Sagittarius dwarf galaxy by the HESS experiment and search for a dark matter signal" [Astropart. Phys. 29(1) (2008) 55-62] (2010)
Journal Article
Aharonian, F., Akhperjanian, A., Bazer-Bachi, A., Beilicke, M., Benbow, W., Berge, D., …Ward, M. (2010). Erratum to "Observations of the Sagittarius dwarf galaxy by the HESS experiment and search for a dark matter signal" [Astropart. Phys. 29(1) (2008) 55-62]. Astroparticle Physics, 33, 274-275. https://doi.org/10.1016/j.astropartphys.2010.01.007

Localizing the VHE gamma-ray source at the Galactic Centre (2010)
Journal Article
Acero, F., Aharonian, F., Akhperjanian, A., Anton, G., Barres de Almeida, U., Bazer-Bachi, A., …Collaboration, H. (2010). Localizing the VHE gamma-ray source at the Galactic Centre. Monthly Notices of the Royal Astronomical Society, 402(3), 1877-1882. https://doi.org/10.1111/j.1365-2966.2009.16014.x

Radio Imaging of the Very-High-Energy gamma-Ray Emission Region in the Central Engine of a Radio Galaxy (2009)
Journal Article
Acciari, V., Aliu, E., Arlen, T., Bautista, M., Beilicke, M., Benbow, W., …Collaboration, M. (2009). Radio Imaging of the Very-High-Energy gamma-Ray Emission Region in the Central Engine of a Radio Galaxy. Science, 325(5939), 444-448. https://doi.org/10.1126/science.1175406

Probing the ATIC peak in the cosmic-ray electron spectrum with H.E.S.S. (2009)
Journal Article
Aharonian, F., Akhperjanian, A., Anton, G., Barres de Almeida, U., Bazer-Bachi, A., Becherini, Y., …Zech, A. (2009). Probing the ATIC peak in the cosmic-ray electron spectrum with H.E.S.S. Astronomy and Astrophysics, 508(2), 561-564. https://doi.org/10.1051/0004-6361/200913323

Event-sequence time series analysis in ground-based gamma-ray astronomy. (2009)
Presentation / Conference Contribution
de Almeida, U. B., Chadwick, P., Daniel, M., Nolan, S., & McComb, L. (2009, December). Event-sequence time series analysis in ground-based gamma-ray astronomy. Presented at High energy gamma-ray astronomy: 4th International Meeting on High Energy Gamma-Ray Astronomy, Heidelberg

The recent, extreme episodes of variability detected from Blazars by the leading atmospheric Čerenkov experiments motivate the development and application of specialized statistical techniques that enable the study of this rich data set to its furthe... Read More about Event-sequence time series analysis in ground-based gamma-ray astronomy..

Very high energy $\gamma$-ray observations of the binary PSR B1259-63/SS2883 around the 2007 Periastron (2009)
Journal Article
Aharonian, F., Akhperjanian, A., Anton, G., Almeida, U. B. D., Bazer-Bachi, A., Becherini, Y., …Zech, A. (2009). Very high energy $\gamma$-ray observations of the binary PSR B1259-63/SS2883 around the 2007 Periastron. Astronomy & Astrophysics, 507(1), 389-396. https://doi.org/10.1051/0004-6361/200912339

Spectrum and variability of the Galactic center VHE gamma-ray source HESS J1745-290 (2009)
Journal Article
Aharonian, F., Akhperjanian, A., Anton, G., Barres de Almeida, U., Bazer-Bachi, A., Becherini, Y., …Zech, A. (2009). Spectrum and variability of the Galactic center VHE gamma-ray source HESS J1745-290. Astronomy and Astrophysics, 503(3), 817-825. https://doi.org/10.1051/0004-6361/200811569

HESS upper limit on the very high energy gamma-ray emission from the globular cluster 47 Tucanae (2009)
Journal Article
Aharonian, F., Akhperjanian, A., Anton, G., Barres de Almeida, U., Bazer-Bachi, A., Becherini, Y., …Zech, A. (2009). HESS upper limit on the very high energy gamma-ray emission from the globular cluster 47 Tucanae. Astronomy & Astrophysics, 499(1), 273-277. https://doi.org/10.1051/0004-6361/200811564

A Search for a Dark Matter Annihilation Signal Toward the Canis Major Overdensity with H.E.S.S. (2009)
Journal Article
Aharonian, F., Akhperjanian, A., de Almeida, U., Bazer-Bachi, A., Behera, B., Benbow, W., …Zech, A. (2009). A Search for a Dark Matter Annihilation Signal Toward the Canis Major Overdensity with H.E.S.S. Astrophysical Journal, 691, 175-181. https://doi.org/10.1088/0004-637x/691/1/175

Simultaneous HESS and Chandra observations of Sagitarius A star during an X-ray flare (2008)
Journal Article
Aharonian, F., Akhperjanian, A., Barres de Almeida, U., Bazer-Bachi, A., Becherini, Y., Behera, B., …Zech, A. (2008). Simultaneous HESS and Chandra observations of Sagitarius A star during an X-ray flare. Astronomy and Astrophysics, 492(1), L25-L28. https://doi.org/10.1051/0004-6361%3A200810912

TeV gamma-ray astronomy (2008)
Journal Article
Chadwick, P., Latham, I., & Nolan, S. (2008). TeV gamma-ray astronomy. Journal of Physics G: Nuclear and Particle Physics, 35(3), Article 033201. https://doi.org/10.1088/0954-3899/35/3/033201

Discovery of very-high-energy gamma-ray emission from the vicinity of PSR J1913+1011 with HESS (2008)
Journal Article
Aharonian, F., Akhperjanian, A., Barres de Almeida, U., Bazer-Bachi, A., Behera, B., Beilicke, M., …Zech, A. (2008). Discovery of very-high-energy gamma-ray emission from the vicinity of PSR J1913+1011 with HESS. Astronomy & Astrophysics, 484(2), 435-440. https://doi.org/10.1051/0004-6361%3A20078715

H.E.S.S. observations of the supernova remnant RX J0852.0-4622: Shell-type morphology and spectrum of a widely extended very high energy gamma-ray source (2007)
Journal Article
Aharonian, F., Akhperjanian, A., Bazer-Bachi, A., Beilicke, M., Benbow, W., Berge, D., …Ward, M. (2007). H.E.S.S. observations of the supernova remnant RX J0852.0-4622: Shell-type morphology and spectrum of a widely extended very high energy gamma-ray source. Astrophysical Journal, 661(1, 1), 236-249. https://doi.org/10.1086/512603

An exceptional very high energy gamma-ray flare of PKS 2155-304 (2007)
Journal Article
Aharonian, F., Akhperjanian, A., Bazer-Bachi, A., Behera, B., Beilicke, M., Benbow, W., …Zdziarski, A. (2007). An exceptional very high energy gamma-ray flare of PKS 2155-304. Astrophysical Journal, 664(2, 2), L71-L74. https://doi.org/10.1086/520635

New constraints on the mid-IR EBL from the HESS discovery of VHE gamma-rays from 1ES 0229+200 (2007)
Journal Article
Aharonian, F., Akhperjanian, A., de Almeida, U. B., Bazer-Bachi, A., Behera, B., Beilicke, M., …Zech, A. (2007). New constraints on the mid-IR EBL from the HESS discovery of VHE gamma-rays from 1ES 0229+200. Astronomy & Astrophysics, 475(2), L9-L13. https://doi.org/10.1051/0004-6361%3A20078462