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Y C Minh

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1.
Minh Y, Hjalmarson A
Adv Space Res . 2001 Sep; 24(4):515-8. PMID: 11543339
We have observed the CS (2-1) and (3-2), and 13CS (2-1) transitions toward the Galactic Center molecular cloud Sgr B2 which consists of several clumps with different chemical properties. We...
2.
Minh Y, Haikala L, Hjalmarson A, Irvine W
Astrophys J . 2001 Sep; 498(1 Pt 1):261-6. PMID: 11542936
The 3 mm lines of HCO2+ and HNCO have been observed toward Sgr B2. Besides the well-known "principal cloud" and an extended envelope, we find another gas cloud 2' north...
3.
Minh Y, Park Y, Kim K, Irvine W, Brewer M, Turner B
Astrophys J . 1996 Aug; 467(2):717-27. PMID: 11541243
The high-latitude cloud (HLC) MBM 7 has been observed in the 21 cm H I line and the 12CO(1-0) and 13CO(1-0) lines with similar spatial resolutions. The data reveal a...
4.
Minh Y, Dickens J, Irvine W, McGonagle D
Astron Astrophys . 1995 Jun; 298(1):213-8. PMID: 11538418
H2(13)CO has been detected for the first time toward cold dark molecular clouds using the NRAO 12 m telescope. The H2(13)CO ortho/para abundance ratio R for B335, which we report...
5.
Minh Y, Ohishi M, Roh D, Ishiguro M, Irvine W
Astrophys J . 1993 Jul; 411(2):773-7. PMID: 11540096
High spatial resolution observations (approximately 5") were made for the 3 mm transitions of methanol (CH3OH), methyl formate (HCOOCH3), and dimethyl ether [(CH3)2O] toward Orion-KL using the Nobeyama Millimeter Array....
6.
Minh Y, Irvine W, Ohishi M, Ishikawa S, Saito S, Kaifu N
Astron Astrophys . 1993 Jan; 267:229-32. PMID: 11539497
We have observed the methyl cyanide (CH3CN) J = 2-1 K=0 and 1 transitions toward the cyanopolyyne peak of TMC-1 and have derived an E/A (ortho/para) abundance ratio NE/NA approximately...
7.
Minh Y, Irvine W, McGonagle D
J Korean Astron Soc . 1993 Jan; 26:99-101. PMID: 11539481
We have searched for the 2 mm transitions of H2COH+ (2(02) - 1(01)) and H2(13)CO (2(02) - 1(01), 2(12) - 1(11), and 2(11) - 1(10)) toward the dense interstellar molecular...
8.
Lee C, Minh Y, Irvine W
J Korean Astron Soc . 1993 Jan; 26:73-8. PMID: 11539480
We have mapped the C3H2 2(12)-1(01) transition line toward the Sgr A molecular cloud on a 1' grid spacing and derived C3H2 column densities of 3 approximately 7 x 10(14)...
9.
Minh Y, Irvine W, Friberg P
Astron Astrophys . 1992 Jan; 258:489-94. PMID: 11538061
We have obtained column densities for HCO+, HCO, HCS+, C3H2, HC5N, SiO, OCS, HCOOH, CH3CH2OH, and CH3CCH toward Sgr A. The fractional abundance of SiO relative to molecular hydrogen in...
10.
Minh Y, Ziurys L, Irvine W, McGonagle D
Astrophys J . 1991 Jan; 366:192-7. PMID: 11538287
Interstellar hydrogen sulfide (H2S) and its isotopic variant H2 34S have been observed toward several star-forming regions via their 1(10)-1(01) transitions at 2 mm, using the FCRAO telescope. In sources...