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| Query : 1989IAUS..131..223C |
1989IAUS..131..223C - 131st Symposium of the IAU held in Mexico City, Mexico, October 5-9, 1987. Ed S. Torres-Peimbert. Planetary Nebulae, 131, 223 (1989)
Observations and models of the 'Helix' nebula NGC 7293.
CLEGG R.E.S. and WALSH J.R.
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 | M 57 | PN | 18 53 35.0967659112 | +33 01 44.883287544 | 15.405 | 15.769 | 15.901 | 16.062 | DA(O?) | 868 | 2 | |
| 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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