hydra.asutexas.edu

 


 


 




 

Marcario Low Resolution Spectrograph (decommissioned)

DevelopmentsLinks
Sep
2010
Cumulative measures finally extinguish chronic ICE crashing
Sep
2009
Grism transport stage upgrade completed
Jul
2009
A variety of ICE crashes become frequent feature
Mar
2009
Ongoing trouble with grism transport stage
Dec
2008
Slit unit repaired: all slits available
Aug
2008
Repaired g3 grism back in service
May
2008
Intermittent looseness of LRS slit begins
Dec
2007
g3 grism damaged
Apr
2007
Repaired MOS unit back in service
Nov
2006
MOS unit malfunctions
Nov
2005
New multi-star blind offsetting capability
Sep
2005
New OG550 filter installed
Feb
2004
Memo from Gary Hill about LRS guide stars limits
Apr
2003
New msetup package to facilitate MOS setups
Apr
2003
New e2 grism in service
Mar
2003
New GG385 filter installed
Dec
2002
New g3 grism in service
Nov
2002
New version of makemos to facilitate MOS setups
Oct
2002
LRS cryotiger repumped
Jun
2002
HgCdZn lamp expires, replaced with Cd lamp
May
2002
Memo from Gary Hill about LRS status update
Jan
2002
Slit unit repaired: all slits available
Jan
2002
Temperature drift compensation for MOS unit installed
Nov
2001
New version of makemos to facilitate MOS setups
Oct
2001
Slit unit failed: only 2" slit useable
Oct
2001
SF1 readnoise reduced to 5.1 electrons
Oct
2001
SF2 fails: SF1 reinstalled




Last updated: Fri, 29 Dec 2023 11:38:01 +0000 stevenj



Overview

The Telescope

Technical Overview

Object Observability

Performance

Non-sidereal observations

Instruments

LRS2

LRS2 Summary

LRS2 Details

LRS2 Fiber Layout and Position Angle

LRS2 Throughput

LRS2 Observing details

VIRUS

VIRUS - Summary

VIRUS - Setting up on targets

VIRUS - Misc details

VIRUS - Throughput and sensitivity

VIRUS - low surface brightness sensitivity

VIRUS - Dithers, IFUs, Tiling

VIRUS - Tiling observations

Habitable Zone Planet Finder (HPF)

HPF Details

HPF Setting up on targets

HPF Throughput and Exposure Meter

HPF Data Reductions

HRS-2 (in development)

HRS-2 Summary

HRS-2 Details

HRS-2 configurations

HRS-2 exposure meter

HRS-2 Position Angle and Fiber layout

HRS-2 Throughput

Old Instruments

HRS - old

LRS - old

MRS - old

Program Preparation

Web Management System