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Double White Dwarf Binaries in SDSS-V DR19: A Catalog of DA White Dwarf Binaries and Constraints on the Binary Population

  • Authors: Gautham Adamane Pallathadka, Vedant Chandra, Nadia L. Zakamska, Nicole R. Crumpler, Stefan M. Arseneau, Kareem El-Badry, Boris T. Gänsicke, Yossef Zenati, J.J. Hermes, Axel D. Schwope, Carles Badenes, Nicola Pietro Gentile Fusillo, Sean Morrison, Tim Cunningham, Priyanka Chakraborty, Gagik Tovmasian, Dmitry Bizyaev, Kaike Pan, Scott F. Anderson, Sebastian Demasi

Gautham Adamane Pallathadka et al 2026 The Astrophysical Journal 1002 .

  • Provider: AAS Journals

Caption: Figure 1.

Distribution of median RV error, observational baseline, number of epochs, and median SNR per exposure for WDs with more than one exposure is shown. The red dashed lines mark the median values of each parameter for the sample. The median RV error is nearly 45 km s−1, the median SNR per subexposure is ≈6, and the median number of exposures per target is 5.

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