Commit 0030b8e3 authored by Brandon Piotrzkowski's avatar Brandon Piotrzkowski

Update Observing Capabilities based on latest results; Fixes #146

parent 6de8beda
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...@@ -24,7 +24,7 @@ commissioning and observing runs. The long-term observing schedule is shown ...@@ -24,7 +24,7 @@ commissioning and observing runs. The long-term observing schedule is shown
below. Since :term:`BNS` mergers are a well-studied class of gravitational-wave below. Since :term:`BNS` mergers are a well-studied class of gravitational-wave
signals, this figure gives the :term:`BNS range` for each observing run. signals, this figure gives the :term:`BNS range` for each observing run.
.. image:: _static/observing-scenarios-timeline.* .. figure:: _static/Scripts_Figure2_ObsScen_fig2_final.*
:alt: Long-term observing schedule :alt: Long-term observing schedule
Engineering Run 14 (ER14) started on 2019-03-04. The transition into Observing Engineering Run 14 (ER14) started on 2019-03-04. The transition into Observing
...@@ -36,7 +36,7 @@ detector may come online and become part of the international ...@@ -36,7 +36,7 @@ detector may come online and become part of the international
gravitational-wave network at some point during O3. The near-term observing gravitational-wave network at some point during O3. The near-term observing
schedule is shown below, reproduced from [#WorkingPlanTowardsO3]_. schedule is shown below, reproduced from [#WorkingPlanTowardsO3]_.
.. image:: _static/G1801056-v4.png .. figure:: _static/O3Schedule.*
:alt: Current observing schedule :alt: Current observing schedule
Live Status Live Status
...@@ -66,27 +66,35 @@ and :term:`burst range` (luminosity distance of detectable sources, averaged ...@@ -66,27 +66,35 @@ and :term:`burst range` (luminosity distance of detectable sources, averaged
over sky position and source orientation) given the detectors' anticipated over sky position and source orientation) given the detectors' anticipated
sensitivities are listed in the table below. sensitivities are listed in the table below.
+-----------+-----------+-----------+ +-----------+-----------+-----------+-----------+-----------+
| Detector | Range (Mpc) | | Detector | Range (Mpc) |
| +-----------+-----------+ | +-----------+-----------+-----------+-----------+
| | BNS | Burst | | | BNS | BBH | NSBH | Burst |
+===========+===========+===========+ +===========+===========+===========+===========+===========+
| **LIGO** | 120–170 | 75–90 | | **LIGO** | 110–130 | 990-1200 | 190-240 | 80–90 |
+-----------+-----------+-----------+ +-----------+-----------+-----------+-----------+-----------+
| **Virgo** | 65–85 | 40–50 | | **Virgo** | 50 | 500 | 90 | 35 |
+-----------+-----------+-----------+ +-----------+-----------+-----------+-----------+-----------+
| **KAGRA** | 8–25 | | | **KAGRA** | 8–25 | 80-260 | 15-45 | 5-25 |
+-----------+-----------+-----------+ +-----------+-----------+-----------+-----------+-----------+
We expect 1–10 :term:`BNS` events over the course of O3. For BNS events, the We expect of order 10 :term:`BNS` events over the course of O3. For BNS events, the
median sky localization accuracy of in terms of the 90% credible area will be median sky localization accuracy of in terms of the 90% credible area will be
120–180 deg². 12–21% of BNS mergers will be localized to less than 20 deg². 250–320 deg². 10–15% of BNS mergers will be localized to less than 20 deg².
Event Rates Event Rates
----------- -----------
See the `rates presentation`_ from recent Town Hall meeting for LIGO and
Virgo's most current estimates of astrophysical rates of compact binary mergers. The detection rate estimates contained in [#LivingReview]_ and later updated in the `rates presentation`_ embody estimates derived from the knowledge of mass, spin, and rate distributions available at the time. These estimates are regularly revised as our understanding of those distributions is enhanced with additional detections. Updates will also take into account the network evolution and actual advancement of the sensitivity of the instruments compared to projections in [#LivingReview]_. See the O3 Observing Scenarios [#O3ObservingScenarios]_ paper for LIGO and
Virgo's most current estimates of astrophysical rates of compact binary mergers.
The detection rate estimates contained in [#LivingReview]_ and later updated in the
O3 Observing Scenarios [#O3ObservingScenarios]_ paper embody estimates derived from the knowledge of mass,
spin, and rate distributions available at the time. These estimates are regularly
revised as our understanding of those distributions is enhanced with additional
detections. Updates will also take into account the network evolution and actual
advancement of the sensitivity of the instruments compared to projections in
[#LivingReview]_.
.. |LRR| replace:: *Living Rev. Rel.* .. |LRR| replace:: *Living Rev. Rel.*
...@@ -105,4 +113,8 @@ Virgo's most current estimates of astrophysical rates of compact binary mergers. ...@@ -105,4 +113,8 @@ Virgo's most current estimates of astrophysical rates of compact binary mergers.
Working Plan Towards O3*, LIGO Document G1801056-v4. Working Plan Towards O3*, LIGO Document G1801056-v4.
https://dcc.ligo.org/LIGO-G1801056/public https://dcc.ligo.org/LIGO-G1801056/public
.. _`rates presentation`: https://wiki.gw-astronomy.org/pub/OpenLVEM/TownHallMeetings2018/O3_rates_amsterdam.pdf .. [#O3ObservingScenarios]
LIGO Scientific Collaboration & Virgo Collaboration 2018, *Prospects for
Observing and Localizing Gravitational-Wave Transients with Advanced LIGO,
Advanced Virgo and KAGRA*. https://arxiv.org/abs/1304.0670
...@@ -10,6 +10,9 @@ Version 12 (unreleased) ...@@ -10,6 +10,9 @@ Version 12 (unreleased)
.. rubric:: Observing Capabilities .. rubric:: Observing Capabilities
* Update ranges/rates based on up-to-date O3 analysis. Add BBH and NSBH
ranges. Update O3 and range schedule figures.
.. rubric:: Data Analysis .. rubric:: Data Analysis
.. rubric:: Alert Contents .. rubric:: Alert Contents
......
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