Stubbs Group Main PageWelcome to the Stubbs Group Wiki! Check out our group website  !   https://projects.iq.harvard.edu/stubbs/news-events

For general Harvard wiki help and guidelines, go to  and   .help space Confluence User Guide

To submit a work order for the lab (lights, plumbing, etc):   https://www.netcasters.com/cgi-bin/fas/dms/request.pl(Our building is Gordon McKay, room is 106)

Stay Connected with us via GitHub, DocDB and Slack!

GitHub

If you are interested in coding together, check out our organization github account: https://github.com/stubbslab

DocDB

Please upload your slides, papers and thesis to this website https://blogs.harvard.edu/stubbslab/

Slack

Join our slack channel   fas-stubbsgroup.slack.com

Admin Contact

For questions related to accessing these pages, please contact Chris or Sasha

The Group Document of Mutual Expectations is available here: 

Document of Mutual Expectations 

All members and prospective members of the Stubbs research group should read this document carefully. 

Weekly group meeting information: Weekly Group Meeting schedule

DOE proposal 2020

absolute flux calibration

LSST Aux Tel Observing Notes

NCSA access notes

Active Projects

Hardware Project lead timeline notes status

construction of instrument mount for Nasmyth 1 port on Aux Tel Chris Aug 30 parts sent to shop, McMaster parts ordered.Awaits shop delivery and lab assembly

needs modifications to counterweight mount 

finish and document and ship top end tension device to Tucson/Chile

iteration on solar cell housing and electronics

revise drawings and submit to shop after design reviewswitch to threaded holes on H-mountextend depthmake H mount talleranodize interiormove BNC connector for clearanceproper ID for carbon fiber tubemounting for electronics in same package. LabJack and Linux computer. 

breadboard autozero integrator circuitdielectric soak test for candidate capacitors

implement test stand (see wiki page)

revised housing drawings submitted 10/28

Get Software Bisque mount up and running Brodi defer for axion project

main mount found in lab, need tripoddrivers downloadable from Software Bisque

Nov 2021 RR Ly comparisons

Configure fiber feed for sky spectrograph and install for long term monitoring Sasha should happen before Sasha leaves

parts on hand. Need to feed f/5 beam into fiber

Small Linux PCs and Python data collection system   accelerometer   temperature sensors   particulate sensor   precision pressure sensor

Brodi parts ordered, in progress

Finish orbits paper Chris behind schedule

Check out Science Center telescope all June 30 mount for camera sent to shop mid-Oct. 

Get Sony high rate camera up and running w remote control and 960 Hz frame ratealso python read-image-stack toolkit 

install and test seeing diagnostics devices in science center dome Dec 1

Dispersed emitter source- combine QTH with blue LED and modulated LED calibrators and mode mixer and pickoff photodiode for normalized blackbody + blue source. 

Items for Chile in Jan:

differential temperaturecommercial acoustic deviceNasmyth port and fast camerastrobed dome seeing monitor

Preparations for Chile trip Jan 16-22

Analysis projects

Project lead timeline data source status

donut analysis from Oct 2021 run on Aux Tel Chris

correlation plots and analysis of atmospheric spectroscopy Eske

Archival Wiki materialallsky

CS pageaeronet

JT pageFisheye code

MC pageMichael and Chris' Walkthrough of FisheyeSpectrometer NoiseVignettingVignetting with f/4

ASUS laptop configbirefringenceClasses - 12aClasses - physics 95Computers and SoftwareCWSDEdotdispersed imagerfluxcalhabitat spectroscopyH-alpha survey optionsHow-to articlesLIGO galaxy catalogLi KeweiLSST chip-camLSST drift scanningLSST flight trackingLSST PSTLSST SchedulerLSST SensorsMatlab instructionOrbitsPhysical Sciences Curriculum CommitteePhysics 95 2016PISCOPS water vapor analysisPTM workshopradial velocitiesSeismic Sensitivitysky spectrograph for LSSTSN isotropy

Fitting Residuals v RedshiftEstimating the Significance of Our DetectionsRelating distance modulus residuals to physical sources

SPTStar Formation RatesStrategic planningthirtysecondsTo Doug projectsWeekly Group Meeting schedule

Electronics ManualsD100 compact laser diode driver, Highland TechnologyDataq data loggerDS1M12 USB oscilloscope and data loggerKeysight B2987 current meterLabJack T7-Promodified Canon EOS 5D Mark VI cameraNewport Fast Steering Mirror- FSM-300Position sensing photodiodesSiglent SDG2000X Series Function/Arbitrary Waveform Generatorubuntu data collection computersUSB temperature sensors- DrcalWindMaster

ElogsCaroline ZhangNatasha Abrams

Filter ScannerFS ProposalsFS Reading MaterialsFS Tech Notes

Filter Scanner Project Notes by ChrisIdeas on solar cell calibration and connection

Latex TemplatesPaper ManuscriptSolar Cells

Common SC Task InstructionsAnalyzing SC QE Data

Making Electrical ConnectionsMeasuring Spatial QE VariationTaking SC QE Data

Readout ElectronicsSC ProposalsSC Reading MaterialsSC Tech Note

Preparing Windows Laptop To Do Solar Cell MeasurementsSolar Cell ManuscriptsTemperature and Angle Dependencetemperature sensor add-onTest Stand

Solar Cell Test LogCollimated Beam Projector

2nd Generation Collimated Beam ProjectorCalibrating miniature telescope Collimated Beam Projector in Lab (CBP)

Fiber homogenizer references.High-intensity launchermechanical drawingsReflective Attenuated CBP (RACBP)

DOE proposal 2020Sasha Brownsberger's page

Data Analysis ProjectsConstraining Cosmic Oscillations with Pantheon Supernovae (completed)Supernova 3d peculiarities with Pantheon

Instrumentation ProjectsInitial Assessment of Monocrystalline Solar Cells (completed)Rebutting a Claimed Detection of Cosmic Oscillations in the Pantheon SupernovaSky Spectrograph (OSELOTS)

Installing OS for OSELOTS on New LaptopNightly Observing Sequence

smaller projectsADS-BAnemometerCurrent Offset BoxLinux boxesNasmyth Port Optical BenchTemp probe

ADU SetupCircuit Diagram and Voltage to Temperature DerivationsHardware DetailsOperationTemp Probe Software

Tension Monitoring of Aux Tel Top End Using Resonant FrequenciesThree-port Image Motion Monitor

absolute flux calibrationabsolute calibration references

LSST Aux Tel Observing NotesAux tel analysis toolkit

NCSA access notesSoftware

gitlabjack drivers

Cal-sat orbitsCalSat Chris Meeting 4/3 TakeawaysCalsat Docs 4/3/21 Valid sun-synch solutionsCal-sat orbit conceptualizingCal-sat orbit orbital learning stuffContinuing Education, calsatOrbit Update July 12Original Notes CalSat ResearchRecreating Orbit Equations, Access, STK Vids, and Resolving 23 degree conundrum?Recreating Orbits Update

ProcurementsNIST calibration data for photodiodesDocument of Mutual ExpectationsImage Quality Campaigns

2021 Aux Tel Image quality campaigninstrumentation

Hot Wire Anemometer for turbulence measurementsItems to take to Chile, Feb 2022Scintillation monitor: Beamed-Emitter Atmospheric Monitor System (BEAMS).Shack-Hartmann imagerStrobed Imaging

gphoto2To do in Chile 2022

Rules of Thumb.PISCO 2021Go Big book-

Reviewer commentsPSF to Cosmology projectsUndergrad projectsInstrument Use Instructions

MonochromatorCalibrating MonochromatorMonochromator Operations

StellarNet Black Comet SpectrographVoltmeters/Ammeters/Voltage Sources/Current Sources

Mac Mini setup, Canon image capture, and centroid analysis 2022Temporary/Scratch Work

Sasha's packing list for ChileAuxTel VPN and Static IP Notes and InstructionsATLAS project 2022-

improved focus performance with better temperature sensinglow surface brightness satellites of MWmicrolensing photometryRR Ly to test/validate Galactic extinctionstacked images on galaxy clusters, photo-z determination