2019MNRAS.489.3981M

Query : 2019MNRAS.489.3981M

2019MNRAS.489.3981M - Mon. Not. R. Astron. Soc., 489, 3981-3989 (2019/November-1)

Detection of new methanol maser transitions associated with G358.93-0.03.

MacLEOD G.C., SUGIYAMA K., HUNTER T.R., QUICK J., BAAN W., BREEN S.L., BROGAN C.L., BURNS R.A., CARATTI O GARATTI A., CHEN X., CHIBUEZE J.O., HOUDE M., KACZMAREK J.F., LINZ H., RAJABI F., SAITO Y., SCHMIDL S., SOBOLEV A.M., STECKLUM B., VAN DEN HEEVER S.P. and YONEKURA Y.

Abstract (from CDS):

We report the detection of new 12.178, 12.229, 20.347, and 23.121 GHz methanol masers in the massive star-forming region G358.93-0.03, which are flaring on similarly short time-scales (days) as the 6.668 GHz methanol masers also associated with this source. The brightest 12.178 GHz channel increased by a factor of over 700 in just 50 d. The masers found in the 12.229 and 20.347 GHz methanol transitions are the first ever reported and this is only the fourth object to exhibit associated 23.121 GHz methanol masers. The 12.178 GHz methanol maser emission appears to have a higher flux density than that of the 6.668 GHz emission, which is unusual. No associated near-infrared flare counterpart was found, suggesting that the energy source of the flare is deeply embedded.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): masers - stars: formation - stars: protostars - ISM: individual objects: MMB G358.931-0.030 - ISM: molecules - radio lines: ISM

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 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1064 2
2 NAME Per B SyG 04 37 04.37535450 +29 40 13.8179631   21.7       ~ 533 2
3 MMB G192.600-00.048 Y*O 06 12 54.0100 +17 59 23.200           ~ 430 0
4 MCG-02-24-007 LIN 09 18 05.66848602 -12 05 43.8060823   14.38 14.8     ~ 1077 1
5 3C 279 Bla 12 56 11.16657958 -05 47 21.5251510   18.01 17.75 15.87   ~ 3205 2
6 ICRF J171736.0-334208 BLL 17 17 36.02929270 -33 42 08.8296186   20.93   17.3   ~ 136 1
7 NAME NGC 6334-I Cl* 17 20 53.35 -35 47 01.5           ~ 373 0
8 [BHC2016] MM1 cor 17 20 53.415 -35 46 57.88           ~ 121 0
9 2MASS J17431001-2951460 NIR 17 43 10.01592 -29 51 46.0944           ~ 4 0
10 MMB G358.931-00.030 SFR 17 43 10.02 -29 51 45.8           ~ 70 0
11 [BHT2019] G358.93-00.03 MM3 mm 17 43 10.0240 -29 51 46.123           ~ 12 0
12 [BHT2019] G358.93-00.03 MM1 mm 17 43 10.1014 -29 51 45.693           ~ 37 0
13 ISOGAL-P J174311.2-295129 AB* 17 43 11.15 -29 51 29.9           ~ 3 0
14 QSO J1744-3116 Bla 17 44 23.57824 -31 16 36.2943           ~ 168 1
15 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2
16 NGC 7538 OpC 23 13 37 +61 30.0           ~ 920 1

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