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Table 3.
Envelope calculations for three representative models above the sequence with [C/He] enhanced by 1 dex, and with [C/He] decreased until the carbon features become undetectable in the SDSS spectra.
| Teff | [C/He] | q(cvz) | q(He) |
|---|---|---|---|
| 5900 | −7.97 | −4.52 | −3.26 |
| 5900 | −6.97 | −4.75 | −3.55 |
| 5900 | −5.97 | −5.00 | −3.85 |
| 7503 | −6.61 | −4.77 | −3.17 |
| 7503 | −5.61 | −4.91 | −3.35 |
| 7503 | −4.61 | −5.06 | −3.58 |
| 9335 | −4.80 | −-4.92 | −3.10 |
| 9335 | −4.30 | −5.03 | −3.29 |
| 9335 | −3.30 | −5.29 | −3.74 |
Notes. These are compared with the standard sequence (middle of the subsections).
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