SOHO LASCO Comet Photometry: Kreutz Sungrazers, 1996-2005

NASA's SOHO LASCO instrument observed Kreutz sungrazing comets from 1996 to 2005. The dataset contains aperture photometry, including apparent magnitude and photon statistics error, for circular apertures from 1 to 10 pixels in radius. Measurements were taken using the C2 or C3 telescopes, with reduced subimages archived in the Planetary Data System.

Use Cases

• Modeling comet brightness decay near the Sun based on apparent magnitude data.
• Analyzing photometric error and signal-to-noise ratios based on photon statistics error measurements.
• Comparing comet observations from different instruments based on data from the C2 and C3 telescopes.
• Studying the population of Kreutz family sungrazing comets over the 1996-2005 time period.

Strengths

• Data covers a specific comet family (Kreutz sungrazers) over a defined 9-year period (1996-2005).
• Photometry includes error estimates (photon statistics error) for each measurement.
• Data is linked to archived source images in the Planetary Data System, enabling verification.
• Observations are from a well-known, stable space-based observatory (SOHO).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale statistical modeling.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Aperture photometry calculated from reduced subimages taken by the LASCO instrument on the SOHO spacecraft.

Time Range

1996 to 2005

Freshness

Last updated 2026-03-13 04:50:17.269981; freshness should be verified.

Geography

Solar observations from the SOHO spacecraft at the L1 Lagrange point.