Guidelines for GCNs for O3 GW events

ePESSTO+ GCN CIRCULAR TEMPLATE for O3 GW related events

Use a title like : 

TITLE: “LIGO/Virgo s190101a: ePESSTO+ NTT classifications” 

AUTHORS: see guidelines here http://wiki.pessto.org/pessto-wiki/home/atel-guidelines

Observers first, then the  GW O3 core science team, then ePESSTO Builders list and the 
on-duty team for that subrun (the TAT on duty and the data analysis team).

Core GW O3 science team :

S. Srivastav, S. Smartt, J. Gillanders, O. McBrien, K. Smith, D. Young (QUB)
R. Carini, M. T. Botticella, E. Brocato, E. Cappellaro, P. D Avanzo, S. Benetti (INAF)

plus anyone else who contributes. 

MAIN TEXT: 
ePESSTO+, the advanced Public ESO Spectroscopic Survey for Transient Objects (see Smartt et al. 2015, 
A&A, 579, 40 http://www.pessto.org ),  reports the following spectroscopic classifications of transients in the skymap of 
GW event s190101a [CITATION to GCN HERE] .  Targets were supplied by the Pan-STARRS survey
 (Chambers et al. 2016, arXiv:1612.05560) and ATLAS survey, see Tonry et al. (2018, PASP, 130, 064505)
(replace as necessary and cite the GCNs or ATels that provided them). 

All observations were performed on the ESO New Technology Telescope  at La Silla on 2019 01 01.xx,
using EFOSC2 and Grism 13 (3985-9315A, 18A resolution). 
Classifications were done with SNID (Blondin & Tonry, 2007, ApJ, 666, 1024) and GELATO 
(Harutyunyan et al., 2008, A&A, 488, 383). Classification spectra and additional details can be obtained
from http://www.pessto.org (via WISeREP) and the IAU Transient Name Server.


Survey Name | IAU Name  | RA (J2000) | Dec (J2000) | Disc. Date | Source | Disc Mag | z         | Type | Phase | Notes 
PS19xxx          | AT2019xxx | 00 00 00   | -45 00 00.5  | 20120401 | PS1       | 19.0         | 0.005 | Ia | -5d | (1)

(1) Line velocities indicate similar to SN2011fe at -10d before max .... <br />

Or if single or few objects, just a a paragraph describing the classifications. Maybe be more appropriate for 
text prose than a table - the author of GCN to decide. 



Here's how to actually submit a GCN (you need to be registered to the GCN system): 



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