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Global Jet Watch A network of telescopes for time-lapse spectroscopy David Grant 1 Katherine Blundell 1 Steve Lee 2 Augustus Porter 1 Dominic McLoughlin 1 University of Oxford 1 Anglo Australian Telescope 2
Transcript of Global Jet Watch - cpb-us-e1.wpmucdn.com · IP Power Switches Networked UPS Offsite Backup PC...
Global Jet WatchA network of telescopes for time-lapse spectroscopy
David Grant1 Katherine Blundell1 Steve Lee2 Augustus Porter1 Dominic McLoughlin1
University of Oxford1 Anglo Australian Telescope2
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Continuous and Sustained Monitoring
Time (UTC)
Airm
ass
Car
inae
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Overview
Sophos UTM
Database Server
Web Server
Data Analysis
Amateur Uploads
EthernetDevice
www
Dome PC
Security Cameras
IP Power Switches
Networked UPS
Telescope
Imaging camera
Spectrograph
Offsite BackupPC Windows
Security DeviceHardware
LAN
Secure Zone
Ethernet Tunnel
PC Linux
Gateway & Firewall
Local backup
All-sky camera
Data Processing Data Store
Astro
Data Store Geo
Gateway & Firewallwww
Conditions monitoring
Photometry cameras
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Challenges
Sophos UTM
Database Server
Web Server
Data Analysis
Amateur Uploads
EthernetDevice
www
Dome PC
Security Cameras
IP Power Switches
Networked UPS
Offsite BackupPC Windows
Security DeviceHardware
LAN
Secure Zone
Ethernet Tunnel
PC Linux
Gateway & Firewall
Local backup
Data Processing Data Store
Astro
Data Store Geo
Gateway & Firewallwww
Telescope
Imaging camera
Spectrograph
All-sky camera
Conditions monitoring
Photometry cameras
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Spectroscopy
Sophos UTM
Database Server
Web Server
Data Analysis
Amateur Uploads
EthernetDevice
www
Dome PC
Security Cameras
IP Power Switches
Networked UPS
Offsite BackupPC Windows
Security DeviceHardware
LAN
Secure Zone
Ethernet Tunnel
PC Linux
Gateway & Firewall
Local backup
Data Processing Data Store
Astro
Data Store Geo
Gateway & Firewallwww
Telescope
Imaging camera
Spectrograph
All-sky camera
Conditions monitoring
Photometry cameras
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Photometry
Sophos UTM
Database Server
Web Server
Data Analysis
Amateur Uploads
EthernetDevice
www
Dome PC
Security Cameras
IP Power Switches
Networked UPS
Offsite BackupPC Windows
Security DeviceHardware
LAN
Secure Zone
Ethernet Tunnel
PC Linux
Gateway & Firewall
Local backup
Data Processing Data Store
Astro
Data Store Geo
Gateway & Firewallwww
Telescope
Imaging camera
Spectrograph
All-sky camera
Conditions monitoring
Photometry cameras
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Challenges
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Challenges
• Electricity surges
• Solar farm • 2000 A hrs start of night battery
capacity
• https://www.globaljetwatch.net/solar
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Spectroscopy
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
GJW-OZ 20150414
GJW-WA 20150510
0.5 1.0 1.5 2.0
Arc s
econ
dsArc seconds
2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0
1.0
0.5
0.0
-0.5
-1.0
GJW-CL 20150607
GJW-SA 20150810
GJW-OZ 20150414
GJW-WA 20150510
0.5 1.0 1.5 2.0
Arc s
econ
dsArc seconds
2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0
1.0
0.5
0.0
-0.5
-1.0
GJW-CL 20150607
GJW-SA 20150810Spectroscopy - SS433
• Microquasar
• BH + unknown star (Blundell+ 08)
• Orbital period ~13 days
• Relativistic jets, precession period ~6 months (Blundell & Bowler 2005)
(Blundell+ 18)
• Dynamical predictions of jets well matched to ALMA observations
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Spectroscopy - Nova Carinae 2018Re
lativ
e Fl
ux
Wavelength / A
• Nova
• White dwarf + unknown donor star • Discovery 23/03/2018 02:57 UTC
• First 10 days observing dataset: 2000 spectra across 4 GJW observatories
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Spectroscopy - Nova Carinae 2018
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Spectroscopy - Eta CarinaeRe
lativ
e Fl
ux
Wavelength / A
• Colliding wind binary star system
• Luminous blue variable (LBV) + unknown companion
• “Great Eruption” in the 1840s
• Present day luminosity 5x106 Lo
• Primary mass-loss rate ~1x10-3 Mo
• Primary wind speed ~500 km s-1
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Phase
Velo
city
/ km
s-1
Spectroscopy - Eta Carinae
Wavelength / A
Rela
tive
Flux
(Grant+ 19, in prep)
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Photometry
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Photometry
• MC2 cameras
• Flux calibrated spectroscopy
• Searches for new microquasars
• Fast feedback on observations
• Alerts for nearby transients
• 2020 periastron
David Grant Hot-Wiring the Transient Universe VI - Northwestern 22/08/2019
Summary
•Overview of the Global Jet Watch: • Continuous and sustained observing, • Or fast response.
•Challenges: • Observing restrictions: electricity, maintenance etc.
•Spectroscopy: • SS433, • Nova Carinae, • Eta Carinae.
•Photometry: • Searching algorithms • Fast feedback on next observations. • 2020 periastron.
Group website https://www.globaljetwatch.net/
Contact us [email protected] [email protected]
