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| Query : 1993RMxAA..27..219Z |
1993RMxAA..27..219Z - Rev. Mex. Astron. Astrofis., 27, 219-222 (1993)
The ROSAT X-ray spectrum of the Helix Nebula.
ZHANG C.Y., LEAHY D.A. and KWOK S.
Journal keyword(s):
Simbad objects: 2
| Number of rows : 2 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NGC 246 | PN | 00 47 03.3420341616 | -11 52 18.971126076 | 10.15 | 11.52 | 11.76 | 12.18 | PG1159 | 489 | 0 | |
| 2 | NGC 7293 | PN | 22 29 38.5454047152 | -20 50 13.747242408 | 11.894 | 13.158 | 13.524 | 13.689 | 13.898 | DAO.5 | 983 | 1 |
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