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Interstellar Polarization Survey. V. Galactic Magnetic Field Tomography of the Spiral Arms Using Optical and Near-infrared Starlight Polarization

  • Authors: Y. Angarita, M. J. F. Versteeg, M. Haverkorn, V. Pelgrims, C. V. Rodrigues, A. M. Magalhães, R. Santos-Lima, Koji S. Kawabata

Y. Angarita et al 2025 The Astronomical Journal 170 .

  • Provider: AAS Journals

Caption: Figure 14.

Top: comparison between the inverse parallax and the photogeometric distances from C. A. L. Bailer-Jones et al. (2021). Bottom: color–magnitude diagram from Gaia EDR3 photometry (Gaia Collaboration et al. 2021). Both panels present all high-quality Gaia measurements (i.e., ϖ/σϖ > 2, RUWE < 1.4, and ϖ > 0) in the region C5, colored by the parallax SNR, which saturates at 10. The red points represent faint stars with G > 18.

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