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Star Formation Region Avedisova 234

Catalog name: 15.09-0.75

Prominent object names: Sh 2-45, Gum 81, M 17 [glossary]

Westerhout radio sources: W 38 = M 17 (OpCl) [903]

IRAS infrared sources (3): IRAS 18174-1612 = [WHR97] 18174-1612 (HII) [26], IRAS 18172-1606 (IR) [1], IRAS 18181-1600 (IR) [1]

Masers: 3 hydroxyl, 8 water, 2 methanol

Other component designations: Gum 81 = GUM 81b (HII) [1], M 17 (OpCl) [903], NGC 6618 = M 17 (OpCl) [903], RAFGL 2124, RAFGL 5473, RAFGL 5476, SH 2-45 (HII) [22]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-45 15.1-0.73.66 2003A&A...397..213P I 2095
SYCSW 122 13.90-0.31198.0x123.0 1987ApJS...63..821S V 2400, 14100
SYCSW 122J 14.08-0.5657.0x30.0 1987ApJS...63..821S V 2400, 14100
SYCSW 122L 15.06-0.6427.0x18.0 1987ApJS...63..821S V 2400, 14100
SYCSW 122M 15.22-0.506.0x3.0 1987ApJS...63..821S V 2400, 14100
SRBY 41 15-0.76.98 1987ApJ...319..730S P 2500

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (94 components)

Main objectO M 17,S 45 [1973A&A....25..337G], O Gum 81A [1955MmRAS..67..155G], M CO cloud [1987ApJS...63..821S], O [1990AJ.....99..622F], O Omega nebula [1986ApJ...307..649J]
15.10 -00.75O NGC 6618 cluster [87065], IR [CII] peak [1998ApJS..115..259N]
15.0 -00.6M CO cloud [1987ApJS...63..821S], M CO [1987ApJS...63..821S], M CO M17-I-N,A [1979ApJ...230..415E], M H2CO cloud [1982A&AS...49..607B]
14.96 -00.71R W 38 [1996MNRAS.281..239S], R [1970AuJPA..14..133S], R [1960PASP...72..331W], R [1978MNRAS.183..119L], R [1970A&AS....1..319A], R [1984A&A...136...53F], R [1990A&AS...83..539R], R [1990A&AS...85..805F], R [1994ApJS...91..111W], R [1970AuJPA..14....1G], R [1970A&A.....6..364W], R [1968AuJPh..21..881G], R [1967ApJ...147..471M], R [1980A&AS...40..379D], R [1978A&A....70..719C], R [1970A&A.....4..357R], R [2000AJ....119.2801L], R [1995ApJS..100..371B], R [1973AJ.....78..235J], R [1971A&A....12..120G], R [1976ApJ...207..113L], R [1973AZh....50..270B], R [1974AZh....51..693E], R [1986ApJ...308..288G], R [1971ApJ...167...77M], R [1977PASJ...29...63F], R [1989A&A...225..167S], R [1963MNRAS.125..261C], R [1967ApJ...147..490M]
15.0 -00.7IR [1997ApJ...491..615G], IR [1980ApJ...239L.101N], IR [1974A&A....33..471O], IR [1973A&A....29..315O], IR [1972ApJ...171L..67J], IR [1984ApJ...283..566C], IR [1973ApL....13...49K], IR [1981A&A....99..285L], IR [1971ApJ...165L...9H], IR [1974ApJ...192..557H], IR [1984ApJ...285...74H], IR [1970ApJ...162L..79L], M CO [1987ApJ...319..730S], M CO [1976AJ.....81.1089E]
14.085-00.571M cloud D [1976AJ.....81.1089E]
14.551-00.591M cloud C [1976AJ.....81.1089E]
15.001-00.687M CO cloud B [1976AJ.....81.1089E], M CO M17-I-N,B [1979ApJ...230..415E], M H2CO [1975ApJ...195..367L], M OH-A [1971ApL.....8...83G], M CS p eak [1986ApJ...306..670M], M CS [1975ApJ...196..709L], M OH-A [1967AuJPh..20..407M], M OH-A [1979A&AS...37....1T], M CH [1978MNRAS.184..235W], M CH-E [1976ApJS...31..333R], M CH-A [1976ApJS...31..333R]
15.03 -00.69R M 17 SOUTH [1980A&AS...40..379D], R M 17 SOUTH-B AR [1978MNRAS.183..119L], R M 17 SOUTH-B AR [1984A&A...136...53F], R M 17 SOUTH MAIN [1971AJ.....76..677W], R M 17 SOUTH [1979A&AS...35...23A], R M 17 SOUTH [1979A&A....72..224M], R M 17 SOUTH [1979A&A....76...86W], R M 17 SOUTH [1975AuJPh..28..185M], R M 17 SOUTH [1982ApJ...252..601J], R [1974A&A....31..431F], R M 17 SOUTH [1969ApJ...156..269S], R M 17 SOUTH [1979A&A....71..205W], R M 17 SOUTH [1986ApJ...308..288G], R M 17 SOUTH [1970ApJ...161L.123D], R M 17 SOUTH [1983A&A...127..211W], R M 17 SOUTH [1989ApJS...71..469L], R M 17 SOUTH [1973AJ.....78..235J], R M 17 SOUTH [1973AZh....50..270B], R [1989ApJ...337..782G], R [1974A&A....32..283C], IR M 17 [1987ApJ...323..766G], IR [1984A&A...137..117C], IR [1973ApJ...183L..67R]
15.02 -00.67IR UC1 [1982ApJ...252..601J], IR M17 SW IRe1 [1979A&A....76...86W], IR UC1 [1972ApJ...177L..53L], IR UC1 IRe1 [1976ApJ...205..136H], M CO [1982ApJ...252..601J]
15.05 -00.68IR*RAFGL 2124 (KO) [1983AFGL..161....0P], IR*RAFGL 2124 [1983AFGL..161....0P], M H2CO [1980A&AS...40..379D], M CO [1979A&A....76..140S], M CO [1974ApJ...191..357W], M H2CO [1979A&A....76..140S], M H2CO [1974A&A....37..389W], M H2CO [1984MNRAS.210...23G], M HCN [1978MNRAS.185P..33W], M HCO+ [1975ApJ...200..584H], M HCO+ [1981MNRAS.194..911B]
15.019-00.667M CO SW,max1 [1983ApJ...269..175T]
15.010-00.683M CO SW,max2 [1983ApJ...269..175T]
15.032-00.667IR M17 SW [1993MNRAS.264.1025H], IR M17 SW [1986A&A...157....1C], IR M17 SW [1992ApJ...390..499M], IR M17 SW [1979ApJ...233..575G], IR [1997ApJ...491..615G]
15.00 -00.67M CO SW-core [1974ApJ...189L..35L], M CO SW [1979ApJ...231..720P], M CO peak [1987A&A...171..297S], M CS SW [1978MNRAS.183..711G], M CS SW [1984ApJ...276..625S], M CS SW [1976ApJS...32..603L], M CS SW [1983MNRAS.204.1117W], M CO SW [1976ApJS...32..603L], M CO SW [1974ApJ...189L..35L], M CO SW [1984A&A...139..181B], M CO SW [1976ApJS...30..247U], M CO SW [1978ApJS...36....1M], M CO SW [1987A&A...171..297S], M CO SW [1989A&A...211..419K], M CO outflow [1981ApJ...249..550L], M CS SW [1988ApJS...67..283L], M CS SW [1980ApJ...235..437L], M HCO+ SW [1982ApJ...255..160W], M HC3N SW [1976ApJ...205...82M], M NH3 south Rim [1988A&A...204..253G], M NH3 max [1988A&A...204..253G], M NH3 SW [1977PASAu...3..152B], M NH3 SW [1976ApJS...32..603L], M H13CN SW [1995A&AS..109..333P], M HCN SW [1995A&AS..109..333P], M HCO+ SW [1995A&AS..109..333P], M CN SW [1980ApJ...240..811C], M HCN SW [1974ApJ...189L..35L], M HCN SW [1975ApJ...202..655G], M HCN SW [1976ApJS...30..247U], M HCN SW [1980A&A....85..244B], M HCN SW [1982MNRAS.199..375W], M C2H SW [1974ApJ...193L.115T], M SO SW [1974ApJ...189L..35L], M SO SW [1978ApJ...219...77G], M CH3OH SW [1979ApJ...227..422G], M N2H+ SW [1977ApJ...211..755T], M HCO+ SW [1977ApJ...211..755T], M HCO+ SW [1976ApJS...30..247U], M HCO+ SW [1980A&A....85..244B], M H2CO-A SW [1976ApJS...32..603L]
14.986-00.738R 14 [1979A&A....72..224M]
14.986-00.696IR M17 SW FIR6 [1993MNRAS.264.1025H]
14.987-00.696M H2O-E SW [1977A&AS...30..145G], M H2O-E SW [1990A&AS...84..179C], M H2O-E SW [1981ApJ...250..621J], M H2O-E 1 [1976ApJ...207..113L], M H2O-E 1 [1981MNRAS.197..949T], M H2O-E [1980AuJPh..33..139B], M OH-A [1993A&AS...98..589W], M NH3 [1996ApJ...463..205A]
14.996-00.674IR M17 SW KW IRC [1973ApJ...185L.131K], IR M17 SW,IRc1 Br(alpha) [1983ApJ...266..623S], IR Br(gamma) [1979ApJ...229..583T], R M17 SW [1984A&A...136...53F], R M17 SW [1983ApJ...266..623S], M H2O-E SW [1982ApJ...256..127R], M H2CO-E SW [1974ApJ...189L..35L], M H2CO-E SW [1976ApJS...32..603L]
15.003-00.680IR M17 SW FIR5 [1993MNRAS.264.1025H]
15.008-00.699IR [1992ApJ...390..499M]
15.011-00.698R 12 [1979A&A....72..224M]
15.011-00.705IR*LH 7 Schulte 2 [1981A&A....99..285L], IR*Schulte 2 * 7 [1981A&A....99..285L]
15.014-00.706R 13 [1979A&A....72..224M]
15.015-00.670IR M17 SW FIR4 [1993MNRAS.264.1025H]
15.028-00.705R 11 [1979A&A....72..224M], R [1974A&A....31..431F]
15.031-00.690R 10 [1979A&A....72..224M], R b [1984A&A...136...53F], R b [1971AJ.....76..677W]
15.031-00.691IR [1992ApJ...390..499M], M CO [1993ApJ...405..249G]
15.033-00.670IR M17 SW(FIR1+ FIR2+FIR3) [1993MNRAS.264.1025H], IR M17 SW(North Condens.) [1993MNRAS.264.1025H], IR M17 SW(North Condens.) [1992ApJ...390..499M], IR M17 SW(North Condens.) [1979ApJ...233..575G]
15.028-00.672IR M17 SW FIR3 [1993MNRAS.264.1025H]
15.029-00.671M NH3 clump4 [1988A&A...194..116M]
15.029-00.673M NH3 clump6 [1988A&A...194..116M]
15.028-00.673M H2O-E [1988A&A...194..116M], M H2O-E [1989A&A...213..339F], M H2O-E 2 [1998ApJ...500..302J], M H2O-E 2 [1981ApJ...250..621J], M H2O-E 2 [1977A&AS...30..145G], M H2O-E 2 [1976ApJ...207..113L], M H2O-E [1976MNRAS.174..541G], M H2O-E [1980AuJPh..33..139B], M H2O-E 2 [1981MNRAS.197..949T], M H2O-E [1973ApJ...182...67J], M H2O-E [1979MNRAS.188..745W], M CS [1992ApJS...78..505P], M NH3 clump1 [1988A&A...194..116M], M CS [1996ApJ...463..205A], M NH3 [1996ApJ...463..205A], M NH3 north Rim [1988A&A...204..253G], M OH-A [1993A&AS...98..589W]
15.030-00.670M NH3 clump5 [1988A&A...194..116M]
15.031-00.675IR IRS [1987A&A...175..193F], IR IRS [1987A&A...181..378C]
15.034-00.667IR M17 SW FIR1 [1993MNRAS.264.1025H]
15.033-00.669M NH3 clump3 [1988A&A...194..116M]
15.032-00.667IR 18174-1612 [1988IRASP.C......0J]
15.030-00.660M OH-E [1997A&A...325..255B]
15.032-00.667M H2O-E 3 [1998ApJ...500..302J], M H2O-E [1988A&A...194..116M], M H2O-E [1981ApJ...250..621J], M H2O-E [1990A&AS...84..179C], M CS [1997ApJ...476..730P], M CS [1992ApJS...78..505P], M OH-A [1993A&AS...98..589W]
15.032-00.674M NH3 clump2 [1988A&A...194..116M]
15.034-00.674IR M17 SW FIR2 [1993MNRAS.264.1025H], M CO outflow [1996ApJ...457..267S], M CS [1999A&A...352..266O]
15.034-00.677M OH-E [1998MNRAS.297..215C], M OH-E [1989A&A...213..339F], M OH-E A [1998A&A...340..521D], M OH-E B [1998A&A...340..521D], M OH-E (8) [1976MNRAS.175..537K], M OH-E [1983AuJPh..36..417C], M OH-E [1995MNRAS.273..328C], M OH-E [1997MNRAS.289..203C]
15.035-00.674M H2O-E [1988A&A...194..116M], M H2O-E 1 [1998ApJ...500..302J], M H2O-E [1981ApJ...250..621J], M H2O-E 3 [1977A&AS...30..145G], M H2O-E [1990A&AS...83..119C]
15.033-00.677M H2O-E 4 [1998ApJ...500..302J]
15.034-00.677M CH3OH-E [1997MNRAS.289..203C], M CH3OH-E [1991ApJ...380L..75M], M CH3OH-E [1995MNRAS.272...96C], M CH3OH-E [1987ApJ...321L.159N], M CH3OH-E [1993MNRAS.260..425C], M CH3OH-E [1995MNRAS.274.1126C], M CH3OH-E [1993A&AS...98..127C], M CH3OH-E [1999ApJS..123..515S], M CH3OH-E A [1998MNRAS.301..640W], M CH3OH-E B [1998MNRAS.301..640W], M CH3OH-E [2000A&AS..143..269S], M CH3OH-E [1990A&A...240..116B], M CH3OH-E [2001ARep...45...26K], M CH3OH-E [2000MNRAS.317..315V], M CH3CN [1993A&A...276..489O], R Arc [1980ApJ...242L.157F], R Arc [1984A&A...136...53F], R Arc [1998ApJ...500..302J], R UC1 8,<SP> [1989ApJS...69..831W], R UC1 8 [1984A&A...136...53F], R UC1 8 [1979A&A....72..224M], R UC1 UC1 [1980ApJ...242L.157F], R UC1 8 [1983ApJ...266..623S], R UC1 [1998ApJ...500..302J], R UC1 8 [1989ApJS...69..831W]
15.034-00.678IR M 17-UC1/IRc 2 [1976ApJ...205..136H], IR M 17-UC1/IRc 2 [1984A&A...136...53F], IR (8) [1981A&A....94..299M], IR M17 SW Br(gamma) [1983ApJ...266..623S]
15.035-00.677R a [1971AJ.....76..677W], R 9 [1979A&A....72..224M], R M17 SW A [1995ApJS..100..371B], R A [1982A&A...108..227W], R M17 SW A [1981ApJ...243..147L], R M17 SW A [1971ApJ...167...77M], M CS [1980ApJ...235..437L], M NH3 clump1 [1988ApJ...330..928G], M NH3 clump2 [1988ApJ...330..928G], M NH3 clump3 [1988ApJ...330..928G], M NH3 clump4 [1988ApJ...330..928G], M NH3 clump5 [1988ApJ...330..928G], M NH3 clump6 [1988ApJ...330..928G]
15.034-00.689IR [1973ApL....13...49K]
15.037-00.660R <I> [1998MNRAS.301..640W]
15.038-00.669R 7 [1979A&A....72..224M]
15.038-00.675IR [1992ApJ...390..499M]
15.044-00.678IR* * 3 [1981A&A....99..285L], IR LH 3 [1981A&A....99..285L]
15.056-00.658R 4 [1979A&A....72..224M]
15.056-00.692R 6 [1979A&A....72..224M]
15.053-00.696M OH-E [1979A&AS...37....1T], M OH-E [1976MNRAS.175..537K]
15.059-00.688IR*LH 2,Kleinma nn star [1981A&A....99..285L], IR* * 2 [1981A&A....99..285L]
15.065-00.683R 5 [1979A&A....72..224M]
15.08 -00.68R M 17 NORTH [1980A&AS...40..379D], R M 17 NORTH-B AR [1984A&A...136...53F], R M 17 NORTH-B AR,A+C+E [1978MNRAS.183..119L], R [1979A&AS...35...23A], R M 17 NORTH [1979A&A....76...86W], R M 17 NORTH [1982ApJ...252..601J], R M 17 NORTH [1969ApJ...156..269S], R M 17 NORTH [1971A&A....12..120G], R M 17 NORTH [1982A&A...108..227W], R M 17 NORTH [1986ApJ...308..288G], R M 17 NORTH [1976ApJ...207..113L], R M 17 NORTH [1973AJ.....78..235J], R M 17 NORTH [1973AZh....50..270B], R M 17 NORTH [1974A&A....32..283C]
15.103-00.668IR M 17 NORTH [1982ApJ...252..601J], IR M 17 NORTH [1979A&A....76...86W], M CO [1982ApJ...252..601J]
15.086-00.674R M 17 NORTH C [1978MNRAS.183..119L]
15.083-00.680IR M 17 NORTH IRe2a [1976ApJ...205..136H], IR M 17 NORTH IRe2a,(N) [1972ApJ...177L..53L], IR M 17 NORTH IRe2a [1973ApL....13...49K]
15.098-00.648R M 17 NORTH A [1978MNRAS.183..119L], R M 17 NORTH 3 [1979A&A....72..224M]
15.097-00.654IR M 17 NORTH [1986A&A...157....1C]
15.105-00.656R M 17 NORTH 2 [1979A&A....72..224M]
15.120-00.643R M 17 NORTH 1 [1979A&A....72..224M]
15.100-00.705R M 17 NORTH E [1978MNRAS.183..119L]
15.082-00.730R M 17 NORTH E [1971ApJ...167...77M], R M 17 NORTH E [1977PASJ...29...63F]
15.072-00.742M CH3OH-E [1994AZh....71...51K], M CO [1974ApJ...191..357W]
15.095-00.737IR M 17 NORTH IRe2b,(E) [1976ApJ...205..136H], IR M 17 NORTH IRe2b,(E) [1972ApJ...177L..53L]
15.118-00.693IR M 17 NORTH IRe2c [1976ApJ...205..136H]
15.06 -00.90IR IRe5 [1976ApJ...205..136H]
15.066-00.648IR LH 4 [1981A&A....99..285L]
15.082-00.644IR LH 5 [1981A&A....99..285L]
15.073-00.662IR LH 6 [1981A&A....99..285L]
15.092-00.715IR*LH 8 [1981A&A....99..285L]
15.076-00.702IR*LH 9,Schulte 1 [1981A&A....99..285L]
15.070-00.709IR*LH 10, BD-16 4818 [1981A&A....99..285L], M CO [1974ApJ...191..357W], M OH-A [1971ApL.....8...83G], M OH-A [1979A&AS...37....1T], M H2CO [1980A&AS...40..379D]
15.100-00.570IR 18172-1606 [1988IRASP.C......0J], M H2CO LANE B [1975ApJ...195..367L]
15.22 -00.50M CO M [1987ApJS...63..821S]
15.11 -00.46IR IRe6 [1976ApJ...205..136H], M H2CO [1973A&A....22...13M]
15.21 -00.62R D [1978MNRAS.183..119L], R [1980A&AS...40..379D], R [1979A&AS...35...23A], R [1979A&A....76...86W], R D [1982ApJ...252..601J], R [1989ApJS...71..469L], R [1976ApJ...207..113L]
15.173-00.813IR [1979A&A....76...86W]
15.211-00.619M CO cloud A [1976AJ.....81.1089E]
15.21 -00.62IR IRe3 [1976ApJ...205..136H], IR IRe3 [1982ApJ...252..601J], IR IRe3 [1979A&A....76...86W], M CO [1982ApJ...252..601J]
15.181-00.622M H2O-E [1978A&A....68...33C], M OH-A [1993A&AS...98..589W]
15.196-00.634IR IRS [1987A&A...176..245B]
15.197-00.629M H2O-E [1981ApJ...250..621J], M CS [1992ApJS...78..505P], M OH-A [1993A&AS...98..589W]
15.20 -00.77R [1979A&AS...35...23A], R [1979A&A....76...86W], R [1980A&AS...40..379D], R [1989ApJS...71..469L]
15.211-00.619M CO cloud A [1976AJ.....81.1089E], M CO [1976ApJS...32..603L], M H2CO [1980A&AS...40..379D]
15.24 -00.85IR*RAFGL 5476 [1983AFGL..161....0P]
15.25 -00.63IR*RAFGL 5473 [1983AFGL..161....0P]
15.274-00.736IR IRe4 [1976ApJ...205..136H]
15.288-00.706IR 18181-1600 [1988IRASP.C......0J]

Acknowledgement: based on the Catalog of Star-Forming Regions in the Galaxy ( Avedisova, V. S., Astronomy Reports, Volume 46, Issue 3, March 2002, pp.193-205 [2002ARep...46..193A]). The complete catalog can be accessed here: V/112/.

For more information, read The Avedisova catalog: A real Hitchhiker's Guide to the Galaxy?