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Table 2
Ammonia abundance and temperature in nearby galaxies and the Galactic center.
| Galaxy | Temperature1 | Abundance | Spatial resolution | Reference |
| (K) | (arcsec and kpc) | |||
|
|
||||
| M 51 | 25 ± 2 | (4.5 ± 1.3) × 10-9 | 40″, 1.6 (Effelsberg) | this work |
|
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| NGC 253 | 29 (+7, −5), 50 (+17, −10)2 | (2.7 ± 1.1) × 10-8 | 71″, 1.0 (NRO) | Takano et al. (2002) |
| ... | 2.0 × 10-8 | 40″, 0.48 (Effelsberg)3 | Mauersberger et al. (2003) | |
| M 82 | 29 ± 5 | 5 × 10-10 | 40″, 0.75 (Effelsberg)3,4 | Weiß et al. (2001) |
| IC 342 | 57 ± 1 | 1.9 × 10-8 | 40″, 0.34 (Effelsberg)3,4 | Takano et al. (2002) |
| 53 ± 1 | 1.3 × 10-8 | 40″, 0.34 (Effelsberg)3 | Mauersberger et al. (2003) | |
| Maffei 2 | 30 (+3, −2) | 1 × 10-7 | 70″, 1.7 (NRO) | Takano et al. (2000) |
| 48 ± 15 | 2.0 × 10-8 | 40″, 0.48 (Effelsberg)3 | Mauersberger et al. (2003) | |
| NGC 1068 | 44 (+6, −4) | (2.9 ± 0.6) × 10-8 | 31″, 2.3 (GBT) | Ao et al. (2011) |
| LMC (N 159 W) | ~16 | 4 × 10-10 | 18 6 × 157, ~0.004 (ATCA) |
Ott et al. (2010) |
|
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| Galactic center (CMZ) | ~20−405 | 1 × 10-9 (fixed) | 570″, 0.024 (Kagoshima) | Nagayama et al. (2007) |
Notes.
(3)
The original linear scale in Table 4 in Mauersberger et al. (2003) corresponds to the angular resolution of 35″. The linear scale here was converted for 40″.
(4)
Taken from Mauersberger et al. (2003).
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