| main (McClure+Twarog+Forrester, 1981) | Details on Acronym: - | |
| - | (Not yet in Simbad) | |
| Write: | <<- NNNNN>> | |
| N: | 806 | |
| Object: | * (SIMBAD class: Star) | |
| Note: | CTIO Yale 1.0m telescope observations of N=806 stars in NGC 2406. In the format, the first digit refers to a quandrant number on the finding chart, the second digit refers to a ring number, and the last three digits refer to the serial number assigned to the star within that quandrant and ring. | |
| Ref: | =1981ApJ...243..841M | |
| by | McCLURE R.D. , TWAROG B.A., FORRESTER W.T. | |
| Astrophys. J., 243, 841-854 (1981) | ||
| The old open cluster NGC 2506 and its similarity to NGC 2420. | ||
| o | Fig. 1, Tables 1+3: <[MTF81] NNNNN> N=806. Table 3: <NGC 2506 NNNN> N=416 among (Nos 1101-4382). | |
| Origin | of the Acronym: S = Created by Simbad, the CDS Database | |