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| Query : 1987RMxAA..14..512P |
1987RMxAA..14..512P - Rev. Mex. Astron. Astrofis., 14, 512 (1987)
Radio observations of M 17 and the Orion nebula : the He/H ratio.
PEIMBERT M., UKITA N., HASEGAWA T. and JUGAKU J.
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 42 | HII | 05 35 16.8 | -05 23 15 | ~ | 4411 | 0 | |||||
| 2 | NGC 6618 | OpC | 18 20 47 | -16 10.3 | ~ | 1700 | 0 |
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