VV Cephei Campaign 2024/2025/2026
| Start | 2024-09-16 |
| End | open end |
| Minimum λ range | 6500 - 6580 Å |
| Minimum resolution | 9000 |
| Background subtraction | yes |
| Instrument response correction | yes |
λ-calibration | yes |
| Continuum levelling | no |
| Ordinate normalisation to 1 | recommended |
| Telluric correction | no |
| Heliocentric correction | not necessary |
| Data format | 1D-FIT |
Targets of the campaign:
- The confirmation of the 43-day period
- The detection of additional periods
- The more precise determination of the system parameters
- Finding the source of the 43-day period
- Behavior before, during and after the periastron (March 2025)
23 observers are currently involved (as of 2026-03-10).
Further participants are welcome. Please send an email to Manfred Schwarz with your request: ms@astrophoto.at
Documents
Campaign description (2024-09-16): Download
Newsletter 2024-09: Download
Newsletter 2024-10: Download
Newsletter 2024-11: Download
Newsletter 2024-12: Download
System description (2025-03-01): Download
Source of the Central Absorption (2025-03-20): Download
2025-06-01: Current Results of the Campaign: Download
2025-11-12: Current results of the Campaign: Download
2026-01-06: Data review of the first 480 days: Download