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| Query : 1990MNRAS.244p...4F |
1990MNRAS.244p...4F - Mon. Not. R. Astron. Soc., 244, part no 16, 4-8 (1990)
The (j,k) = (3,3) inversion line of NH3 - a possible interstellar chronometer.
FLOWER D.R., OFFER A. and SCHILKE P.
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 | DR 21 | SFR | 20 39 01.6 | +42 19 38 | O4.5 | 1121 | 0 | |||||
| 2 | [WBN74] NGC 7538 IRS 1 | Y*O | 23 13 45.318 | +61 28 11.69 | ~ | 433 | 3 |
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