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Table 1
A summary of the Collinder 69 optical spectroscopic campaigns.
| Date | Observatory/Telescope/Instrument | Resolution | Wavelength | Number of sources | Original photometric |
| Δλ/λ | coverage | observed | survey | ||
|
|
|||||
| Nov. 2–5, 2002 | Mauna Kea/Keck/LRIS | ~2650 | 6425–7692 Å | 12 | CFHT1999 |
| Nov. 2–5, 2002 | Mauna Kea/Keck/LRIS | ~950 | 6250–9600 Å | 29 | CFHT1999 |
| Dec. 11–14, 2002 | Las Campanas/Magellan/MIKE | ~11 250 | 4430–7250 Å | 14 | CFHT1999 |
| Mar. 9–11, 2003 | Las Campanas/Magellan/B&C | ~2600 | 6200–7825 Å | 2 | CFHT1999 |
| Mar. 9–11, 2003 | Las Campanas/Magellan/B&C | ~800 | 5000–10 200 Å | 3 | CFHT1999 |
| Nov. 22–25, 2005 | CAHA/3.5 m/TWIN | ~1100 | 5600–10 425 Å | 5 | CFHT1999 |
| Nov. 20–23, 2006 | CAHA/3.5 m/TWIN | ~1100 | 5700–9900 Å | 8 | CFHT1999 & 1° × 1° Spitzer |
| Nov. 30–Dec. 11, 2007 | CAHA /2.2 m/CAFOS | ~600 | 6200–10 350 Å | 37 | CFHT1999 & 1° × 1° Spitzer & |
| XMM-Newton survey | |||||
| Jan. 5, 2008 | Paranal/VLT /FLAMES | ~8600 | 6438–7184 Å | 40 | CFHT1999 & 1° × 1° Spitzer |
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