| -NN | |
| N: | 30+20 |
| Object: | WD (SIMBAD class: WhiteDwarf = White Dwarf) |
| Note: | Keck LRIS and Gemini GMOS observations of white dwarfs in the direction of the globular cluster Messier 4. |
| in source: | M 4 = NGC 6121 |
| Ref: | =2009ApJ...705..398D |
| by | DAVIS D.S. , RICHER H.B., RICH R.M., REITZEL D.R., KALIRAI J.S. |
| Astrophys. J., 705, 398-407 (2009) | |
| The spectral types of white dwarfs in Messier 4. | |
| o | Table 1, col(1): <[DRR2009] LRIS-NN> N=23 among (Nos 0-29) = Table 1, col(2): <[DRR2009] GMOS-NN> N=18 among (Nos 1-21). |
| Ref: | =2009ApJ...705..408K |
| by | KALIRAI J.S. , DAVIS D.S., RICHER H.B., BERGERON P., CATELAN M., HANSEN B.M.S., RICH R.M. |
| Astrophys. J., 705, 408-425 (2009) | |
| The masses of population II white dwarfs. | |
| o | Table 1: <[DRR2009] LRIS-NN> (Nos 0-30), <[DRR2009] GMOS-NN> (Nos 5, 17) added. |
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