C2D Candidate YSO STARS Catalog: Young Stellar Objects from Spitzer Legacy Program

The Cores to Disks (C2D) Spitzer Legacy Program observed sources spanning the evolutionary sequence from molecular cores to protoplanetary disks. This catalog lists candidate young stellar objects (YSOs) derived from the C2D STARS fields, which targeted about 160 stars, using methodology from Harvey et al. (2007b). The data originates from NASA's Spitzer Space Telescope observations using its IRAC, MIPS, and IRS instruments.

Use Cases

• Identify candidate protostars and substellar objects based on infrared observations from the Spitzer instruments.
• Model the evolution of circumstellar dust, the raw material for planetary cores, using data from systems up to about 10 Myr old.
• Study star-forming environments across a wide range of cloud masses and stellar masses as surveyed in five nearby large molecular clouds.

Strengths

• Data is from the multi-instrument C2D Spitzer Legacy Program, which used IRAC, MIPS, and IRS.
• Targets about 160 stars in the C2D STARS fields, with methodology documented in a peer-reviewed publication (Harvey et al. 2007b).
• Surveys encompass a wide range of cloud masses, stellar masses, and star-forming environments.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Observations from the Spitzer Space Telescope's IRAC, MIPS, and IRS instruments, processed and cataloged by the C2D Legacy Program.

Freshness

Last updated 2026-03-13 16:41:50.534561; freshness should be verified.

Geography

Observations of five of the nearest large molecular clouds and about 190 targeted systems.