## ----include = FALSE----------------------------------------------------------
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>"
)

## ----setup--------------------------------------------------------------------
library(ggsky)
library(ggplot2)
theme_set(theme_light())

## -----------------------------------------------------------------------------
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()