Figures
I.1Mosaic of photographic exposures of the A2713 field. (Reproduced with permission)
1.1Detail of the negative of a calibrated photographic exposure of a source on the sky, a grid of 21 × 19 pixels (picture elements).
2.1Staff scientists and visiting astronomers at the 2.2-meter telescope at La Silla Observatory. (Photograph: Götz Hoeppe)
2.2At twilight in the control room of the 2.2-meter telescope at La Silla Observatory. (Photograph: Götz Hoeppe)
2.4Visiting astronomers inspecting air mass plots pertaining to three observing projects. (Photograph: Götz Hoeppe)
2.5Air mass plot pertaining to Mary’s observing program. (Photograph: Götz Hoeppe)
3.1Flowchart of the MAMBO research group’s data reductions as taken from a conference presentation of one of its members. (Reproduced with the authors’ permission)
3.2Scheme depicting basic steps of the MAMBO team’s spectral energy distribution template-fitting technique.
3.3Otfried pointing at an offset between galaxy photometric measurements and a spectral template (continuous line). (Photograph: Götz Hoeppe)
3.4Otfried and Nadine visually assessing their flatfield frames. (Photograph: Götz Hoeppe)
3.5Visualization of the differences between instrumental magnitudes and 2MASS catalog entries for stars in the A2713 field. (Photograph: Götz Hoeppe)
3.6Otto’s recipe to correct for the artifactual ring in the flatfield. (Photograph: Götz Hoeppe)
3.7Nadine’s draft histogram, showing the number of galaxies as a function of redshift for all objects detected in the A2713 field.
3.8Revised histogram as it appeared in the published paper. (© American Astronomical Society. Reproduced with permission)
3.9Comparison of the galaxy number counts in a set of deep fields. (Figure 12 of Capak et al. Reference Capak, Aussel and Ajiki2007, 114; © American Astronomical Society. Reproduced with permission)
4.1Nadine’s draft histogram, showing the number of galaxies as a function of redshift for all objects detected in the A2713 field. See Transcript 4.2.
4.2Peter explains a scatterplot that shows the redshifts of galaxies (vertical axis) over their red (R band) magnitudes (horizontal axis). See Transcript 4.4. (Photograph: Götz Hoeppe)
4.3Peter demonstrates how Nadine may use the scatterplot to estimate the completeness of her galaxy catalog. See Transcripts 4.5 and 4.6. (Photograph: Götz Hoeppe)
4.4Hertzsprung–Russell Diagram of four million stars from measurements of the European Space Agency’s Gaia spacecraft. (© ESA/Gaia/DPAC 2018)
4.5Figures of Arjen van der Wel’s manuscript as discussed in the text. (© American Astronomical Society. Reproduced with permission)
4.6Images of the galaxies in van der Wel’s sample, made using Hubble Space Telescope I, J, and H exposures. (© American Astronomical Society/NASA/ESA/Hubble Space Telescope. Reproduced with permission)
4.7Otto’s sketch of the sequence of arithmetic operations (left) that Nadine was to apply to remedy her flatfield issue. See also Figure 3.6. (Photograph: Götz Hoeppe)
5.1Presentation slide from David Spergel’s lecture at New York University, showing two grayscale pixel maps of the microwave background fluctuation pattern of a patch in the sky. (© D. Spergel/Princeton University/ESA/Planck 2014)
5.2False-color image of one of Nadine’s flatfields. (Photograph: Götz Hoeppe)
5.3Nadine briefing Otfried about her assessment of artifacts in the flatfield exposures, using paper printouts to summarize her findings. (Photograph: Götz Hoeppe)
5.4Otfried’s schematic characterization and quantification of artifacts in the flatfield frames on his office blackboard. (Photograph: Götz Hoeppe)
8.1The first entries of George Abell’s (Reference Abell1958) catalog of 2,712 galaxy clusters in the northern and equatorial sky. (© American Astronomical Society. Reproduced with permission)
8.2Structure of the 2MASS Redshift Survey (2MRS) catalog. (© American Astronomical Society. Reproduced with permission)
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