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Query : 2004MNRAS.352..101C |
2004MNRAS.352..101C - Mon. Not. R. Astron. Soc., 352, 101-111 (2004/July-3)
New OH masers at 13 441 MHz.
CASWELL J.L.
Abstract (from CDS):
At every 13441-MHz maser site, spectral features occur as right- and left-hand circularly polarized matched pairs, with small, but mostly significant, frequency separation. This is attributed to the Zeeman effect in magnetic fields of a few mG. Some of the 13441-MHz maser sites show features at several different velocities.
All of the 13441-MHz maser features have 6035-MHz counterparts that closely correspond in velocity. At three sites, features of 13441-MHz emission rival the intensities of their 6035-MHz counterparts; at the other sites, features are weaker than at 6035 MHz by factors of between 3 and 50. Upper limits at some sites searched can be set more than 2 orders of magnitude weaker than 6035-MHz emission. The detection statistics provide unique opportunities to test recent advances in maser modelling.
A search for the 13434-MHz transition towards the same 56 targets yielded no detections.
Abstract Copyright: 2004 RAS
Journal keyword(s): masers - stars: formation - HII regions - ISM: molecules - radio lines: ISM
Simbad objects: 60
Number of rows : 60 |
N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | NAME W 3 OH | HII | 02 27 04.1 | +61 52 22 | ~ | 1024 | 2 | |||||
2 | OH 240.32+00.07 | Mas | 07 44 51.9676 | -24 07 41.372 | ~ | 11 | 0 | |||||
3 | OH 284.35-00.42 | Mas | 10 24 10.73 | -57 52 33.3 | ~ | 7 | 0 | |||||
4 | OH 285.26-00.05 | Mas | 10 31 29.87 | -58 02 18.0 | ~ | 22 | 0 | |||||
5 | OH 294.51-01.62 | Mas | 11 35 32.25 | -63 14 43.2 | ~ | 18 | 0 | |||||
6 | OH 300.97+01.15 | Mas | 12 34 53.29 | -61 39 40.0 | ~ | 31 | 0 | |||||
7 | OH 305.21+00.03 | Mas | 13 11 16.8912 | -62 45 55.008 | ~ | 19 | 0 | |||||
8 | OH 309.92+00.48 | Mas | 13 50 41.78 | -61 35 10.2 | ~ | 50 | 0 | |||||
9 | IRAS 14026-6145 | * | 14 06 18.459 | -62 00 15.76 | ~ | 5 | 0 | |||||
10 | IRAS 14030-6144 | cor | 14 06 38.75088 | -61 58 23.7576 | ~ | 33 | 0 | |||||
11 | OH 311.64-00.38 | Mas | 14 06 38.77 | -61 58 23.1 | ~ | 32 | 0 | |||||
12 | IRAS 15254-5621 | Y*? | 15 29 19.33 | -56 31 22.8 | ~ | 85 | 0 | |||||
13 | OH 328.30+00.44 | Mas | 15 54 06.48 | -53 11 40.3 | ~ | 18 | 0 | |||||
14 | Caswell CH3OH 328.809+00.633 | Mas | 15 55 48.70 | -52 43 05.5 | ~ | 24 | 0 | |||||
15 | OH 328.24-00.55 | Mas | 15 57 58.28 | -53 59 22.7 | ~ | 37 | 0 | |||||
16 | OH 329.339+00.148 | Mas | 16 00 33.15 | -52 44 39.9 | ~ | 4 | 0 | |||||
17 | OH 330.9-00.2 | OH* | 16 09 35.53920 | -51 54 14.1084 | O-rich | 12 | 0 | |||||
18 | OH 331.542-00.066 | Mas | 16 12 09.02 | -51 25 47.6 | ~ | 12 | 0 | |||||
19 | Caswell H2O 331.51-00.10 | Mas | 16 12 09.1 | -51 28 53 | ~ | 12 | 0 | |||||
20 | OH 332.826-00.549 | Mas | 16 20 10.85 | -50 53 14.2 | ~ | 16 | 0 | |||||
21 | OH 333.14-00.43 | Mas | 16 21 02.82 | -50 35 12.0 | ~ | 19 | 0 | |||||
22 | OH 333.6-00.2 | Mas | 16 22 11.042 | -50 05 56.25 | ~ | 22 | 0 | |||||
23 | OH 336.83+00.02 | Mas | 16 34 38.28 | -47 36 32.2 | ~ | 19 | 0 | |||||
24 | OH 336.941-00.156 | Mas | 16 35 55.19 | -47 38 45.4 | ~ | 9 | 0 | |||||
25 | OH 337.61-00.06 | Mas | 16 38 09.54 | -47 04 59.9 | ~ | 25 | 0 | |||||
26 | MMB G337.705-00.053 | Mas | 16 38 29.63 | -47 00 35.5 | ~ | 26 | 0 | |||||
27 | OH 337.40-00.41 | Mas | 16 38 50.52 | -47 28 00.2 | ~ | 40 | 0 | |||||
28 | MMB G339.053-00.315 | Mas | 16 44 48.99 | -46 10 13.0 | ~ | 10 | 0 | |||||
29 | OH 340.78-00.10 | Mas | 16 50 14.84 | -44 42 26.3 | ~ | 50 | 0 | |||||
30 | OH 339.88-01.26 | Y*O | 16 52 04.6776 | -46 08 34.404 | ~ | 103 | 0 | |||||
31 | OH 345.01+01.79 | Mas | 16 56 47.58 | -40 14 25.8 | ~ | 71 | 0 | |||||
32 | OH 343.93+00.12 | Mas | 17 00 10.91 | -42 07 19.3 | ~ | 18 | 0 | |||||
33 | OH 345.487+00.314 | Mas | 17 04 28.24 | -40 46 28.7 | ~ | 12 | 0 | |||||
34 | MMB G345.003-00.224 | Mas | 17 05 11.23 | -41 29 06.9 | ~ | 14 | 0 | |||||
35 | OH 345.70-00.09 | Y*O | 17 06 50.635 | -40 50 59.49 | ~ | 35 | 0 | |||||
36 | OH 347.63+00.15 | Y*? | 17 11 51.064 | -39 09 29.03 | ~ | 40 | 0 | |||||
37 | OH 348.698-01.027 | Mas | 17 19 58.923 | -38 58 14.13 | ~ | 5 | 0 | |||||
38 | OH 351.41+00.64 | Mas | 17 20 53.4 | -35 47 01 | ~ | 58 | 0 | |||||
39 | OH 350.686-00.491 | Mas | 17 23 28.63 | -37 01 48.8 | ~ | 11 | 0 | |||||
40 | OH 351.58-00.35 | Mas | 17 25 25.183 | -36 12 44.66 | ~ | 18 | 0 | |||||
41 | OH 351.75-00.53 | Mas | 17 26 42.57 | -36 09 17.6 | ~ | 74 | 1 | |||||
42 | OH 353.41-00.36 | Mas | 17 30 26.18 | -34 41 45.6 | ~ | 65 | 0 | |||||
43 | IRAS 17279-3311 | Y*? | 17 31 15.5976886344 | -33 14 04.872124932 | ~ | 35 | 0 | |||||
44 | OH 355.34+00.15 | Mas | 17 33 29.06 | -32 47 58.9 | ~ | 28 | 0 | |||||
45 | OH 359.14+00.03 | Mas | 17 43 25.6109 | -29 39 17.551 | ~ | 35 | 0 | |||||
46 | OH 000.666-00.029 | Mas | 17 47 18.64 | -28 22 54.6 | ~ | 3 | 0 | |||||
47 | OH 000.658-00.042 | Mas | 17 47 20.485 | -28 23 44.13 | ~ | 17 | 0 | |||||
48 | MMB G008.669-00.356 | Mas | 18 06 18.99 | -21 37 32.2 | ~ | 40 | 0 | |||||
49 | OH 011.03+00.06 | Mas | 18 09 39.84 | -19 21 20.3 | ~ | 31 | 0 | |||||
50 | OH 011.90-00.14 | Mas | 18 12 11.44 | -18 41 28.6 | ~ | 25 | 0 | |||||
51 | SNR G012.8-00.2 | SFR | 18 14 14.0 | -17 55 50 | ~ | 256 | 0 | |||||
52 | OH 015.03-00.68 | Mas | 18 20 24.8111 | -16 11 35.316 | ~ | 26 | 1 | |||||
53 | NGC 6618 | OpC | 18 20 47 | -16 10.3 | ~ | 1612 | 0 | |||||
54 | OH 019.48+00.15 | Mas | 18 26 00.39 | -11 52 21.9 | ~ | 6 | 0 | |||||
55 | OH 020.23+00.07 | Mas | 18 27 44.56 | -11 14 54.6 | ~ | 11 | 0 | |||||
56 | Caswell OH 035.02+00.35 | Mas | 18 54 00.6576 | +02 01 19.217 | ~ | 12 | 0 | |||||
57 | OH 035.2-00.7 | Mas | 18 58 13.0517 | +01 40 35.674 | ~ | 43 | 0 | |||||
58 | OH 045.122+00.133 | Mas | 19 13 27.942 | +10 53 34.84 | ~ | 8 | 0 | |||||
59 | OH 045.466+00.045 | Mas | 19 14 25.66 | +11 09 26.5 | ~ | 4 | 0 | |||||
60 | OH 049.490-00.388 | Mas | 19 23 43.93 | +14 30 34.9 | ~ | 4 | 0 |
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