GAL04 C2

Proposal

Proposal: GAL04:Evolved SN 1006: newly discovered GeV-emitting SNR G17.8+16.7
PI: Hideaki Katagiri (hideaki.katagiri.sci@vc.ibaraki.ac.jp)

Source information

  Source: G17.8+16.7 

    RA (J2000): 261.069 deg 

    Dec (J2000): -5.145 deg 


Note:
   RA (J2000) 261.069 (17h24m16.56159917s) 
   DEC (J2000) -5.145 (-05d08m41.98175399s) 
   The corresponding galactic coordinate is (l, b) = (17.89751883, 16.7474377).

   The position is the best-fit position based on the Fermi-LAT gamma-ray analysis by Araya et al (2022).
   The Fermi-LAT paper is https://ui.adsabs.harvard.edu/abs/2022MNRAS.510.2920A/abstract . 
   The position is given by Araya by private communication.
   The assumed shape is the Gaussian with the containment radius of about 0.68 degree.
   Since R.A. is around 18h, the observation would be around June (3+(18-12)/2=6).

   The radio center for reference:
   RA (J2000) 261.04375 (17h24m10.5s) 
   DEC (J2000) -5.18125 (-5d10m52.5s) 
   The corresponding galactic coordinate is  (l, b) = (17.85158111, 16.75082053).

Observational settings/limits

Min Zenith [deg] = 0 

Max Zenith [deg] = 45 

Night Sky Background = Dark 

Wobbles = W0.90+000 W0.90+180 W0.90+105 W0.90+285 


Note:
The above configurations should be the same as the observations in cycle-I to avoid unexpected systematic uncertainties due to the different observational configurations.

The positions can be:
W0.90+105 <SkyCoord (ICRS): (ra, dec) in deg     (260.83542173, -4.27562657)>
W0.90+285 <SkyCoord (ICRS): (ra, dec) in deg    (261.30321739, -6.01428815)>
W0.90+000 <SkyCoord (ICRS): (ra, dec) in deg    (261.97264022, -5.14436356)> 
W0.90+180 <SkyCoord (ICRS): (ra, dec) in deg    (260.16535978, -5.14436356)>

Instructions for shifters

- This target can be stable and extended. The estimated shape from the Fermi-LAT is the Gaussian with the containment radius of about 0.68 degree. The Fermi-LAT paper is https://ui.adsabs.harvard.edu/abs/2022MNRAS.510.2920A/abstract .

- The joint MAGIC observations are not required.