2001ApJ...547L..61V


Query : 2001ApJ...547L..61V

2001ApJ...547L..61V - Astrophys. J., 547, L61-L64 (2001/January-3)

Supersonic water masers in 30 Doradus.

VAN LOON J.T. and ZIJLSTRA A.A.

Abstract (from CDS):

We report on extremely high velocity molecular gas, up to -80 km.s–1 relative to the ambient medium, in the giant star formation complex 30 Doradus in the Large Magellanic Cloud (LMC), as observed in new 22 GHz H2O 616⟶523 maser emission spectra obtained with the Mopra radio telescope. The masers may trace the velocities of protostars, and the observed morphology and kinematics indicate that current star formation occurs near the interfaces of colliding stellar wind-blown bubbles. The large space velocities of the protostars and associated gas could result in efficient mixing of the LMC. A similar mechanism in the Milky Way could seed the Galactic halo with relatively young stars and gas.

Abstract Copyright: ∼

Journal keyword(s): ISM: Bubbles - ISM: Individual: Name: 30 Doradus - ISM: Kinematics and Dynamics - Galaxies: Magellanic Clouds - Masers - Stars: Formation

Nomenclature: [WWJ83] Maser 0539-691B added.

Simbad objects: 16

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Number of rows : 16
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 V* R Dor AB* 04 36 45.59127 -62 04 37.7974 7.84 6.98 5.40 2.71 -0.44 M8III:e 376 0
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
3 NGC 1984 Cl* 05 27 40 -69 08.1   10.00 9.99     ~ 78 0
4 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
5 LHA 120-N 157 HII 05 35 49 -69 12.6           ~ 51 0
6 NGC 2060 SNR 05 37 51.4466169456 -69 10 23.947092084   9.69 9.59     ~ 380 2
7 NAME 30 Dor Nebula SFR 05 38 36.0 -69 05 11           ~ 1276 2
8 NGC 2070 Cl* 05 38 42 -69 06.0     7.25     ~ 406 1
9 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2236 2
10 [WWJ83] Maser 0539-691 Mas 05 38 49.6 -69 04 41           ~ 3 0
11 [WWJ83] Maser 0539-691B Mas 05 39 03.9 -69 08 18           ~ 2 0
12 [CD83] Shell 5 PoC ~ ~           ~ 5 0
13 [CD83] Shell 4 PoC ~ ~           ~ 5 0
14 [CD83] Shell 2 PoC ~ ~           ~ 7 0
15 [CD83] Shell 1 PoC ~ ~           ~ 7 0
16 [CD83] Shell 3 PoC ~ ~           ~ 7 0

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