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--- public:gw170817 [2022/01/25 01:40]
bruce
+++ public:gw170817 [2022/04/15 23:53] (current)
bruce [The Search for the EM Counterpart]
@@ Line 22: / Line 22: @@
+Spectra
+All about the Spectra in Shappee+17 https://arxiv.org/pdf/1710.05432.pdf
+====== UV emission and importance and epoch ======
+Arcavi18 https://iopscience.iop.org/article/10.3847/2041-8213/aab267/pdf   says:
+  * UV in the first ~ 1-4 hr is critical in distinguishing models because the later models are degenerate (1)
+  * The discovery was postponed to 5 hr because of a "glitch" in one of the GW detectors (but BG notes this depended on weather, availability of SA telescope).
+(1) "The combined optical data show an early rise consistent with radioactive decay of low-opacity ejecta as the main emission source, but the subsequent decline is fit well by all models."

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