A dataset provided by the European Space Agency

Name TOO_awehrle_3
Title Observations of Flaring BL Lac in Oct-Nov 2012
URL

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DOI https://doi.org/10.5270/esa-qp8t1qb
Author wehrle, a.
Description We propose to observe the flaring eponymous blazar, BL Lac, which has reached a 30-year historical maximum at radio frequencies. Our goal is to use $sim$ 28 daily Herschel observations with PACS and SPIRE (8.8 hrs including time constraint) in combination with near-infrared and optical data to pin down the physical cause of flares as either magnetic field line reconnection or turbulence within shocks. We do this by comparing the spectral index of the far-infrared bands to that of the near-infrared-optical bands to determine the location and magnitude of the spectral break as the flare evolves. In addition, we will derive the physical conditions in the jet by modelling the SEDs as the flare decays. We will compare the
Publication
  • Erratic Flaring of BL Lac in 2012-2013: Multiwavelength Observations | Wehrle Ann E. et al. | The Astrophysical Journal Volume 816 Issue 2 article id. 53 26 pp. (2016). | 816 | 10.3847/0004-637X/816/2/53 | 2016ApJ...816...53W | http://adsabs.harvard.edu/abs/2016ApJ...816...53W
Instrument PACS_PacsPhoto_largeScan, SPIRE_SpirePhoto_small
Temporal Coverage 2012-10-29T15:33:36Z/2012-11-20T20:54:50Z
Version SPG v14.2.0
Mission Description Herschel was launched on 14 May 2009! It is the fourth cornerstone mission in the ESA science programme. With a 3.5 m Cassegrain telescope it is the largest space telescope ever launched. It is performing photometry and spectroscopy in approximately the 55-671 µm range, bridging the gap between earlier infrared space missions and groundbased facilities.
Creator Contact https://support.cosmos.esa.int/h®erschel/
Date Published 2013-05-20T20:53:02Z
Last Update 2026-03-02
Keywords Herschel Space Observatory data, ESA Herschel mission dataset, far-infrared astronomy observations, submillimeter astronomy data, infrared space telescope observations, PACS photometer data, PACS spectrometer data, SPIRE photometer data, SPIRE Fourier transform spectrometer data, HIFI heterodyne spectroscopy data, far-infrared spectroscopy dataset, submillimeter spectral line observations, cold universe observations dataset, star formation infrared data, molecular cloud far-infrared observations, interstellar medium spectroscopy data, protoplanetary disk infrared observations, galaxy evolution far-infrared data, dust emission submillimeter observations, cosmic infrared background measurements, extragalactic infrared survey data, calibrated level 2 data products, FITS files astronomy, spectral cubes far-infrared, flux-calibrated maps, continuum photometry data, spectral energy distribution measurements, ESA Herschel Science Archive data
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, wehrle et al., 2013, 'Observations of Flaring BL Lac in Oct-Nov 2012', SPG v14.2.0, European Space Agency, https://doi.org/10.5270/esa-qp8t1qb