HWO Target Stars and Systems: A Prioritized Community List of Potential Stellar Targets for the Habitable Worlds Observatory's ExoEarth Survey

Fuente: arXiv
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Hauptverfasser: Tuchow, Noah W., Harada, Caleb K., Mamajek, Eric E., Tanner, Angelle, Hinkel, Natalie R., Belikov, Ruslan, Sirbu, Dan, Ciardi, David R., Stark, Christopher C., Morgan, Rhonda M., Savransky, Dmitry, Turmon, Michael
Format: Preprint
Veröffentlicht: 2025
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author Tuchow, Noah W.
Harada, Caleb K.
Mamajek, Eric E.
Tanner, Angelle
Hinkel, Natalie R.
Belikov, Ruslan
Sirbu, Dan
Ciardi, David R.
Stark, Christopher C.
Morgan, Rhonda M.
Savransky, Dmitry
Turmon, Michael
author_facet Tuchow, Noah W.
Harada, Caleb K.
Mamajek, Eric E.
Tanner, Angelle
Hinkel, Natalie R.
Belikov, Ruslan
Sirbu, Dan
Ciardi, David R.
Stark, Christopher C.
Morgan, Rhonda M.
Savransky, Dmitry
Turmon, Michael
contents The HWO Target Stars and Systems 2025 (TSS25) list is a community-developed catalog of potential stellar targets for the Habitable Worlds Observatory (HWO) in its survey to directly image Earth-sized planets in the habitable zone. The TSS25 list categorizes potential HWO targets into priority tiers based on their likelihood to be surveyed and the necessity of obtaining observations of their stellar properties prior to the launch of the mission. This target list builds upon previous efforts to identify direct imaging targets and incorporates the results of multiple yield calculations assessing the science return of current design concepts for HWO. The TSS25 list identifies a sample of target stars that have a high probability to be observed by HWO (Tiers 1 and 2), independent of assumptions about the mission's final architecture. These stars should be the focus of community precursor science efforts in order to mitigate risks and maximize the science output of HWO. This target list is publicly available and is a living catalog that will be continually updated leading up to the mission.
format Preprint
id arxiv_https___arxiv_org_abs_2509_20544
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle HWO Target Stars and Systems: A Prioritized Community List of Potential Stellar Targets for the Habitable Worlds Observatory's ExoEarth Survey
Tuchow, Noah W.
Harada, Caleb K.
Mamajek, Eric E.
Tanner, Angelle
Hinkel, Natalie R.
Belikov, Ruslan
Sirbu, Dan
Ciardi, David R.
Stark, Christopher C.
Morgan, Rhonda M.
Savransky, Dmitry
Turmon, Michael
Solar and Stellar Astrophysics
Earth and Planetary Astrophysics
Instrumentation and Methods for Astrophysics
The HWO Target Stars and Systems 2025 (TSS25) list is a community-developed catalog of potential stellar targets for the Habitable Worlds Observatory (HWO) in its survey to directly image Earth-sized planets in the habitable zone. The TSS25 list categorizes potential HWO targets into priority tiers based on their likelihood to be surveyed and the necessity of obtaining observations of their stellar properties prior to the launch of the mission. This target list builds upon previous efforts to identify direct imaging targets and incorporates the results of multiple yield calculations assessing the science return of current design concepts for HWO. The TSS25 list identifies a sample of target stars that have a high probability to be observed by HWO (Tiers 1 and 2), independent of assumptions about the mission's final architecture. These stars should be the focus of community precursor science efforts in order to mitigate risks and maximize the science output of HWO. This target list is publicly available and is a living catalog that will be continually updated leading up to the mission.
title HWO Target Stars and Systems: A Prioritized Community List of Potential Stellar Targets for the Habitable Worlds Observatory's ExoEarth Survey
topic Solar and Stellar Astrophysics
Earth and Planetary Astrophysics
Instrumentation and Methods for Astrophysics
url https://arxiv.org/abs/2509.20544