Search
Now showing items 1-5 of 5
Multiwavelength observations of a flare from markarian 501
(IOP Publishing, 1997-10-01)
We present multiwavelength observations of the BL Lacertae object Markarian 501 (Mrk 501) in 1997 between April 8 and April 19. Evidence of correlated variability is seen in very high energy (VHE; E greater than or similar ...
Veritas observations of day-scale flaring of m 87 in 2010 april
(IOP Publishing, 2012-02-01)
VERITAS has been monitoring the very-high-energy (VHE; > 100 GeV) gamma-ray activity of the radio galaxy M87 since 2007. During 2008, flaring activity on a timescale of a few days was observed with a peak flux of ...
Veritas 2008-2009 monitoring of the variable gamma-ray source m 87
(IOP Publishing, 2010-05-21)
M 87 is a nearby radio galaxy that is detected at energies ranging from radio to very high energy (VHE) gamma rays. Its proximity and its jet, misaligned from our line of sight, enable detailed morphological studies and ...
Discovery of variability in the very high energy γ-ray emission of 1es 1218+304 with veritas
(IOP Publishing, 2010-01-14)
We present results from an intensive VERITAS monitoring campaign of the high-frequency peaked BL Lac object 1ES 1218+304 in 2008/2009. Although 1ES 1218+304 was detected previously by MAGIC and VERITAS at a persistent level ...
hst optical polarimetry of the vela pulsar and nebula
(Oxford University Press (OUP), 2014-09-30)
Polarization measurements of pulsars offer a unique insight into the geometry of the emission regions in the neutron star magnetosphere. Therefore, they provide observational constraints on the different models proposed ...