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Equation of State Effects on Gravitational Waves from Rotating Core Collapse

Richers, Sherwood; Ott, Christian David; Abdikamalov, Ernazar; O'Connor, Evan; Sullivan, Chris


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  <dc:creator>Richers, Sherwood</dc:creator>
  <dc:creator>Ott, Christian David</dc:creator>
  <dc:creator>Abdikamalov, Ernazar</dc:creator>
  <dc:creator>O'Connor, Evan</dc:creator>
  <dc:creator>Sullivan, Chris</dc:creator>
  <dc:date>2016-12-15</dc:date>
  <dc:description>Gravitational waveforms from 1824 fiducial and detailed electron capture simulations, sampled at 65535 Hz. The file is in HDF5 format, using the flags {dtype="f4",compression="gzip",shuffle=True,fletcher32=True}. Each group is contained in the "waveforms" top-level group and is named with the "A" and "omega_0" values from Equation 5 and the EOS. In each sub-group is a dataset containing timestamps in seconds (t=0 is core bounce) and a dataset containing the strain multiplied by the distance in centimeters. The values of A in kilometers, omega_0 in radians/s, and the EOS are stored as attributes of each group.

In addition, the Ye(rho) profiles are stored in the "yeofrho" top-level group. Each sub-group is labeled by the EOS used to generate the profile.

Finally, select reduced data is stored in the "reduced_data" top-level group. The following quantities are each stored as a 1824-element array, where elements of the same index from different datasets correspond to the same 2D simulation.

A(km) -- differential rotation parameter in Equation 5
D*bounce_amplitude_1(cm) -- The minimum of the first (negative) GW strain peak, multiplied by distance.
D*bounce_amplitude_2(cm) -- The maximum of the second (positive) GW strain peak, multiplied by distance.
EOS -- the equation of state used in the simulation
MbarICgrav(Msun) -- gravitational mass of the inner core, averaged over time after core bounce
Mgrav1_IC_b(Msun) -- gravitational mass of the inner core at bounce
Mrest_IC_b(Msun) -- rest mass of the inner core at bounce
SNR(aLIGOfrom10kpc) -- signal to noise ratio of the GW signal, assuming a distance of 10kpc and aLIGO sensitivity
T_c_b(MeV) -- central temperature at bounce
Ye_c_b -- central electron fraction at bounce
alpha_c_b -- central lapse at bounce
beta1_IC_b -- ratio of rotational kinetic to gravitational potential energy of the inner core at bounce
fpeak(Hz) -- frequency of the post-bounce GW oscillations
j_IC_b() -- angular momentum of the inner core at bounce
omega_0(rad|s) -- initial (pre-collapse) rotation rate used in Equation 5
omega_max(rad|s) -- maximum rotation rate achieved outside of 5km
rPNSequator_b(km) -- radius of the rho=10^11 g/ccm contour along the equator at bounce
rPNSpole_b(km) -- radius of the rho=10^11 g/ccm contour along the pole at bounce
r_omega_max(km) -- radius where omega_max occurs
rho_c_b(g|ccm) -- central density at bounce (not time averaged)
rhobar_c_postbounce(g|ccm) -- central density time averaged after bounce
s_c_b(kB|baryon) -- central entropy at bounce
t_postbounce_end(s) -- time of the end of the postbounce signal (t=0 is core bounce)
tbounce(s) -- time of core bounce (t=0 is the beginning of the simulation)
 </dc:description>
  <dc:identifier>https://zenodo.org/record/201145</dc:identifier>
  <dc:identifier>10.5281/zenodo.201145</dc:identifier>
  <dc:identifier>oai:zenodo.org:201145</dc:identifier>
  <dc:relation>url:https://zenodo.org/communities/nrgw-opendata</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
  <dc:subject>gravitational wave</dc:subject>
  <dc:subject>core-collapse supernova</dc:subject>
  <dc:title>Equation of State Effects on Gravitational Waves from Rotating Core Collapse</dc:title>
  <dc:type>info:eu-repo/semantics/other</dc:type>
  <dc:type>dataset</dc:type>
</oai_dc:dc>
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