Observing proposals for 2013

Approved observing proposals

PI

Band

Instrument

Title

Allocated Time

Strategy

UT observing dates

Baganoff

 X-ray

Chandra

Monitoring the Tidal Disruption of a Gas Cloud Approaching Sgr A*

6 x 20ksec

Roughly monthly sampling around pericenter time

Ponti

X-ray

Chandra / HETG

X-ray monitoring of Sgr A* during outburst

280ksec

ToO: If SgrA* gets brighter than Lx = 10^36 erg/s

Haggard

X-ray

Chandra

Joint Chandra/XMM/EVLA Monitoring of the Gas Cloud G2 as it Encounters Sgr A*

6 x 50ksec

Roughly monthly sampling around pericenter time

public NRAO

radio

VLA

Continuum monitoring

13 x 2hrs x 8 bands

initially bimonthly, then monthly monitoring

link to eNews letter will follow

public NRAO

radio

VLBA

Angular size measurements and astrometry of SgrA*

1 full track @ 2 bands

single, pre-encounter, baseline measurement

beginning of semester 2013A, link to eNews letter will follow

Submitted observing proposals

PI

Band

Instrument

Title

Time Applied For

Strategy

Expected decision

Gillessen

NIR

SINFONI/VLT

Watching a gas cloud disrupt [...]

70h

Two epochs of deep integral field spectroscopy to follow evolution of line shape

22.12.2012

Gillessen

NIR

NACO/VLT

Watching a gas cloud disrupt [...]

20h

ToO: If SgrA* changes in 2013, get multi-band lightcurves

22.12.2012

Ponti

X-ray

XMM

Capturing a major accretion event of Sgr A*

230ks

ToO: If Sgr A* becomes brighter than 10^35 erg/s

late 12-12

Ponti

X-ray

XMM

Monitoring Sgr A*

200ks

Monitoring the cloud-SgrA* interaction

late 12-12

Boller

X-ray

XMM

Testing GR with XMM-Newton observations in the Galactic Centre

50ks

Selection of observable tests of GR with luminous features close to the GC, ToO

late December 2012

Haggard

X-ray

Swift

Swift Monitoring of the Encounter Between Sgr A* and the Gas Cloud G2

68ks

Monitoring weekly, then twice weekly, then daily (near pericenter)

late 2012 or early 2013