IPAC-related items of

Thomas J. Chester

IRAS	2MASS
The IRAS Explanatory Supplement - With Most Figures (12Dec97) ISSA Explanatory Supplement (12Dec97) The IRAS Explanatory Supplement - Text Only (26Jun97)	Tons of Info: Table of Contents for all 2MASS webpages (updated frequently) 2MASS Facts, a file giving basic facts about 2MASS. Caveat: this file is far from being complete. (updated frequently) Update Log recording my additions and changes to these two pages. (updated frequently)
IRAS 'Mystery Source', Tenth Planet and Government Conspiracy (05May98)	IPAC 2MASS Budget, Schedule and Data Release: Flux Overestimation Vs. SNR (26Jan99) Recipe For Making An Extended Source Catalog For The First Release (11Jan99) Catalog Selection Should Be By SNR, Not Flux Limits (08Jan99) Number Of Scans With High Coadd Noise (06Jan99) H Photometric Error In All Potential Mar99 Release Scans (04Jan99) The Mini-Explanatory Supplement (16Aug98) Final Product Generator Tasks (17Oct98) and Viewgraphs (27Oct98) Analysis Needed To Verify The Quality Of The Released Data (01Sep98) Open Anomalies Discovered In The Data (26Sep98) Final Product Generation and Extended Source Catalog Criteria - presentations at 21 July 1998 Science Team Meeting April Data Release: Data Definition, Schedule, Performance Metrics and Data Distribution Media (27Jun98) 2MASS Budget and Workforce (29Apr98; page removed 10Nov03) Draft IPAC 2MASS Schedule For FY01-FY03 (21Apr98) Historical Schedule For Time To Start of Operations (06May98)
Star Names
The OFFICIAL Star-Naming FAQ (Link placed here due to the lawsuit threats against Perkins Observatory for this referenced page, which resulted in Ohio Wesleyan University removing their link, a shameful action on their part to give in to empty legal threats. See Sky & Telescope October 2000, p. 16.)

IPAC	Galaxy Analysis Final XSC: Plots of Shape vs. Mag (17Dec02) Comparison With The Level 1 Requirements: Completeness (27Jan03) Comparison With The Level 1 Requirements: Reliability (17Dec02) Sources With Small Photometric Uncertainties: Sky Plots Of Clean Source and Sources With Photometric Flags Set (22Oct02) Sources With Different Colors (22Oct02) Number of Sources Vs. Cross-Scan (22Oct02) Basic Parameters: Comparison of V3 Ops Test to V2 Processing for 2MASS Galaxies (with T. Jarrett) (02Aug01) Extended Source Reliability In Release 2 (09Feb00) The Nature of Galaxy Truth Table "Unknowns" (with T. Jarrett) (30Jan00) Number Of Galaxies Vs. Glat (20Jan00) Extended Source Reliability Vs. Image Moment Ratio (08Nov99) 2MASS Spring 1999 Extended Source Catalog: Outliers From Range-Checking (30Apr99) 2MASS Spring 1999 Extended Source Catalog: Cross-Scan Uniformity (09Apr99) 2MASS Spring 1999 Extended Source Catalog: Duplicate Analysis (02Apr99) 2MASS Spring 1999 Extended Source Catalog: Analysis (24Mar99) Extended Sources: Analysis Of Ability To Meet Level 1 Specifications (27Oct98) and viewgraphs Internal Data Quality Measures And Quality Assurance Procedure For Extended Sources (24Oct98) 2MASS Galaxy Parameters (with T. Jarrett) (unfinished) 2MASS Galaxy Catalog: First Results (with T. Jarrett) (18May98) First Look at RTB Galaxies (21Apr98) Colors: Distinguishing Galaxies from Point Sources Using Point Source Color-Color Plots (15Apr98) Analysis of the 2MASS Galaxy Color-Color Plot (with T. Jarrett) (10Feb98) Photometry: Analysis of Global XSC Colors In Second Data Release (10Jan00) Electronic Banding Noise (06Jan00) Photometric Errors Deduced From Calibration Field Repeats (16Dec99) Observed K Photometric Biases (12Jan99) SNR And Catalog Thresholds (11Dec98) Error Tree For 2MASS Galaxy Photometry (with T. Jarrett) (04Feb98) Error Analysis For Circular Isophotal Magnitudes (with T. Jarrett) (06Feb98) Dependence Of Local Background On Brightness Of Galaxy (13Nov98) Observed Noise Pickup By Hemisphere And Band (13Nov98) Observed Photometric Error In South Due To J Band Noise Pickup (13Nov98) Theoretical Photometric Error Due To J Band Noise Pickup (13Nov98) H Photometric Error Due To Airglow (21Oct98) Analysis of Noise In The 2MASS Atlas Images (15Oct98) H Noise In September 1999 (17Sep99) Analysis of Coadd Noise: Gain and Read Noise Derived From Coadd Noise Versus Background (with T. Jarrett and S. Schneider) (14Feb98) Analysis of Photometric Noises for 2MASS Galaxies (with T. Jarrett) (03Feb98) Elliptical Parameters: Biases In Position Angle Determinations For 2MASS Galaxies Post Fixes (04Nov98) Source of Biases In Position Angle Determinations For 2MASS Galaxies (with T. Jarrett) (18May98) Biases In Position Angle Determinations For All RTB Galaxies In Low Source Density Regions (with T. Jarrett) (18May98) Ellipticity And Position Angle Determinations For All RTB Galaxies With K mag Of 12.5 - 13.0 (07May98) Other: Source Density Threshold For Galworks (28Dec99) Galaxy Candidates In The Galactic Plane For Spring 1999 Data Release (02Mar99) Influence Of Data Anomalies (30Nov98) Extended Source Catalog Criteria for Sampler Release (19Jul98) 2MASS Galaxy Catalog: Sky Plots on 21 June 1998 (23Jun98) Number of Brighter Galaxies Per Scan (23Jun98) Meteor Streaks Found From Visual Inspection of Coadds and False Sources (31Mar98) GALWORKS Validation And Acceptance Status Report (25Feb98) Analysis of Galaxy Changes From New Coadd Kernel (03Dec97) Effect of J Background Jump on Coadds and Galaxy Processing (with T. Jarrett) (16Jul97) The Effects of Reducing 2MASS Integration Time on Galaxies (28May97)
How to Make an IPAC Webpage (05May98) Guidelines for Maximum Size of a Webpage (05May98)
Chas Beichman Roast: List of Roasters and Links to Online Roasts Chas Beichman Roast
My Email Backlog Vs. Time, most of which is due to IPAC and 2MASS.
IPAC Budget Information (21Apr98) Net Compensation To Individuals For Each $1 Spent On People (10Feb98) Where Does the JPL/CIT Overhead Go? (21Apr98) Historical IPAC Workforce (03Mar98)
JPL / CIT Holidays (11Jun98)
Tycho and Hipparcos Catalog Information (31May97)
Draft Design for IPAC Local Webpages (on back burner due to lack of interest from IPACers) (24Mar97)

Personal Pages That May be of Direct Interest to IPACers (see Disclaimer)	Seeing and PSF Analysis: PSF Normalization Number of Scans With Untracked Seeing Per Night (15Jun99) Distribution of Seeing Tracking Scores (with T. Jarrett) (02Dec98) Fraction Of The Time 2MASS North Is Undersampled (07May98) Telescope / Camera PSF (07May98) Flux Underestimation and Undersampling (06May98) Shape Histograms for scan 44 of 970418 (08May97) The Effect of Source Density (07May97) Ratio of Seeing in Different Bands, conversion of shape and pfract to seeing FWHM (with T. Jarrett) (15May97)
Educational Outreach (NASA buzz term for interesting and educational things for the public): Science By Mail information, including some work done by one of my groups. 2MASS Pictures Online

Financial	Dithering Analysis: 2MASS North Dither: 990911 (11Sep99) 2MASS North Dither: 990803 (03Aug99) Change of North Rotation Angles Versus Time (04Jun98) Final 2MASS South Dither Pattern (14Mar98) (see also: Optimal 2MASS South Dither Pattern (12Mar98); Deriving the South Dithering Pattern (06Mar98); and Variation of the 2MASS South Dithering Pattern With Rotation (06Mar98)) Array Rotations and Plate Scales For South Camera (06Mar98) Deriving the North Dithering Pattern (06Jun97) How Well the Desired Dithering Pattern is Actually Achieved (08Jun97) Dithering Patterns Prior to 7 June 1997 (02Jun97) Dithering Pattern proposed by E. Howard on 5/16/97. (21May97)
Analysis of the Salary Curve for Engineers and Scientists Comparison of CIT Retirement Plans Average Income Information Salary Information by Occupation Financial Advice for my Son (and JPL/CIT Employees)

Other	Miscellaneous Analysis: Modeling the Zero-Point Observed Scatter (22Jan01) Scan SNR Vs. PROPHOT SNR (25Jan00) IPAC Processing Rate and Backlog (current) Number of Processed Scans By Quality, and Projected End Date of Survey (current) Galactic Latitude Of Scan Centers For Processed Scans (current) Source Of High H Photometric Errors For Point Sources (05Jan99) Measured Amplitude And Period Of Electronic Noise Pickup (with T. Jarrett) (02Dec98) Pickup Noise In 971116n Scan 116 (with T. Jarrett) (09Nov98) Summary Of J Band Electronic Problems (08Nov98) Analysis Of J Coadd Noise Vs. Background For North And South (05Nov98) Plots of J, K Vs. H Background Vs. Time (13Oct98) Database Query Runtimes Effect of Partially Shadowed NICMOS Chip Rows (03Jun98) Point Source Photometric Precision and Clouds (27May98) Growth in Number of Hot Pixels Versus Time (26Aug97) Overlap Rate of Observed 2MASS scans per night (08Jul97) Image Smearing is a Function of Telescope Temperature (08Jul97)
Pasadena Sunrise/Sunset Times Sun Avoidance Hours Versus Calendar Date to reduce exposure to U.V. Average L.A. Traffic Versus Time and Day of Week Hikes in the Angeles National Forest
Table of Contents for all of my personal webpages	Miscellaneous Webpages: Additional Quality Factors For Tile Rescan Priorities (26Oct99) Announcement of New Spectral Class of Stars: L Dwarfs (06Jun98), D. Kirkpatrick (webpage by T. Chester)
My Bookmarks File (Warning: over 200 KB and very outdated...)	Agenda With Links For Science Team and External Review Board Meetings: Science Team 20-21 July 1998 Meeting Agenda and Supporting Links (12Jul98) Science Team 2 March 1998 Meeting Agenda and Supporting Links (01Mar98) Science Team 5-6 November 1997 Meeting Agenda and Supporting Links (03Nov97) Science Team 4-5 June 1997 Meeting Agenda and Supporting Links (02Jun97) Outstanding System Performance Problems/Issues for ERB Meeting, July 28, 1997 (majority view) (23Jul97) Recommend (Re)Starting Survey Operations in September, 1997 (personal view) (21Jul97)

Disclaimer

All the webpages in the lefthand column following "Personal pages..." are my personal pages hosted on my personal site (except for my bookmarks file, hosted at IPAC for the convenience of IPACers due to its large size), and are not official Caltech documents. In all of my webpages, those hosted personally and those hosted at Caltech, all opinions are my own and are not to be attributed to Caltech or any other person at Caltech.

http://spider.ipac.caltech.edu/staff/tchester/index.html
Comments and feedback: Tom Chester
Last update: 10 November 2003.

IPAC-related items of

Thomas J. Chester

Galaxy Analysis

Disclaimer