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Plot X-ray source catalog

library(ggsky)
library(ggplot2)
theme_set(theme_light())

This vignette demonstrates how to plot the ARTSS1–5 X-ray source catalog in galactic coordinates.

The dataset artss15 is included in the package in a preprocessed form for reproducibility. It is based on the CDS/VizieR catalog J/A+A/687/A183 (bibcode: 2024A&A...687A.183S).

Main variables used below: - l, b: galactic longitude and latitude (degrees) - flux: X-ray flux (erg/s/cm^2)

In the plot, point color represents log10(flux).

ggplot(artss15, aes(l, b, color = log10(flux))) +
  geom_point(alpha = 0.5) +
  scale_color_viridis_b() +
  labs(
    title = "ARTSS1–5 X-ray sources in galactic coordinates",
    caption = "Catalog: CDS/VizieR J/A+A/687/A183 | bibcode: 2024A&A...687A.183S",
    color = "log Fx\nerg/s/cm^2"
  ) +
  coord_galactic()

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