Details on Acronym: NGC 2506 | |
| NGC 2506 | |
| Write: | <<NGC 2506 NNNN # 4 digits>> |
| N: | 806 |
| Object: | *inCl (SIMBAD class: Unknown = Object of Unknown Nature) |
| Rem: | Always a 4 digits format, with quadrants and rings: e.g. star 4382 is number 82 in ring 3 of quadrant 4. |
| 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). |
Details on Acronym: Cl* NGC 2506 MTF | |
| Cl* NGC 2506 MTF | (McClure+Twarog+Forrester) |
| ====> | Equivalent to: NGC 2506 |