Planet Finder Spectrograph

Magellan SAC13 March 2010

status report

PFS Overview

13 March 2010 Magellan SAC 2

• Fixed format, single object, cross-dispersed optical echelle

• 390<390<<660 nm complete coverage<660 nm complete coverageacross 64 ordersacross 64 orders

• R = 38,000 / arcsecR = 38,000 / arcsec

• Available slits Available slits - 3.7” long, 0.2-3.0” wide- 3.7” long, 0.2-3.0” wide - 2.5” long, 0.3-0.7” wide - 2.5” long, 0.3-0.7” wide

• Iodine cell, QTH & ThAr calibrationIodine cell, QTH & ThAr calibration

• Mounts at Clay Nasmyth EastMounts at Clay Nasmyth East

313 March 2010 Magellan SAC

Shipping & reassemblyArrival at LCO 27 September 2010

Reassembled in auxiliary building 7-16 October

413 March 2010 Magellan SAC

InstallationInstalled on nasmyth platform 17 October.

513 March 2010 Magellan SAC

On theplatform

Stellar spectrum*

= 650nm

= 390nm

0.3” slit

First light UT 18 October

* first light spectrum not shown

Solar spectrum

= 650nm

= 390nm

0.2” slit

Na D lines 589.592, 588.995nm

6 Angstroms

R = 190,000 nominally

= 0.031 Angstroms

Solar spectrum

ThAr spectrum

= 650nm

= 390nm

0.3” slit

Quartz + Iodine

= 650nm

= 390nm

0.2” slit

Time Delayed Integration

13 March 2010 Magellan SAC 11

TDI is implemented and working. Charge shift and opposing CCD shifts can be timed or slaved to exposure level.

13 March 2010 Magellan SAC 12

NoTDI

13 March 2010 Magellan SAC 13

WithTDI

Thermal control

13 March 2010 Magellan SAC 14

Instrument sees a 25C isothermal box around it.

• Metal plates embedded in foam enclosure

• Closed-loop, re-circulating water/glycol

during construction

ThermalControl

13 March 2010 Magellan SAC 15

1613 March 2010 Magellan SAC

Velocity precisionData reduction package is still evolving and improving.Early results look promising.

Stable star from first science run 1-5 January 2010.Additional data from 25 Feb-4 Mar run to be added.