C.D.S. - SIMBAD4 rel 1.8 - 2024.05.27CEST15:23:55 [OMN2000] Region 3 ------------------ Object W 51a --- HII --- OID=@2737491 (@@59269,32) --- coobox=19693 Coordinates(ICRS,ep=J2000,eq=2000): 19 23 29.3 +14 31 38 (~) D [~ ~ ] ~ Coordinates(FK4,ep=B1950,eq=1950): 19 21 11.7 +14 25 46 Coordinates(Gal,ep=J2000,eq=2000): 049.4775 -00.3272 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: ~ ~ [~ ~ ] ~ ~ Parallax: ~ [~] ~ ~ Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (3): [OMN2000] Region 3 [M94] 49.5 -0.4 a W 51a Bibcodes 1850-2024 () (173): 2024ApJ...963...55D 2023ApJ...942....7F 2023ApJ...947...82T 2023ApJ...949...82D 2023ApJS..264...16P 2023MNRAS.519.3432T 2023PASJ...75..883Y 2022ApJ...932....5K 2022ApJ...933...60D 2022ApJ...941...64B 2022ApJS..260...34Z 2022MNRAS.516.6055R 2022PASJ...74...24K 2022PASJ...74..128M 2021A&A...650A.133J 2021ApJ...921...96L 2021ApJ...923..198D 2021MNRAS.501.3871V 2021PASJ...73..943M 2021PASJ...73S.129K 2020AJ....160..234D 2020ApJ...888...98L 2020ApJ...899...94R 2020ApJS..248...24G 2019A&A...623A..90S 2019A&A...623A.105G 2019A&A...624A..63B 2019A&A...627A..13B 2019AJ....158..208G 2019ApJ...872...49F 2019ApJ...873...51L 2019ApJS..240...14L 2019ApJS..242...26W 2018A&A...612A..37W 2018AJ....155..204R 2018ApJ...855...39K 2018ApJ...864..136B 2018ApJ...866....9L 2018ApJ...869..102J 2018ApJS..236...31K 2017ApJ...839..108S 2017ApJ...842...92G 2017ApJ...849..147Z 2017ApJ...850...23B 2017MNRAS.468.2684P 2017PASJ...69...78U 2016A&A...595A..27G 2016ApJ...816..100J 2016ApJ...825...54B 2016ApJ...826...63L 2015A&A...573A.106G 2015ApJ...798...30L 2015MNRAS.453.2082D 2014ApJS..213....1T 2014MNRAS.438..426H 2014MNRAS.441.3137Q 2013ApJ...763..135T 2013ApJ...766...68P 2013ApJ...769L..17T 2013ApJ...771...91B 2013PASJ...65...42H 2012A&A...538A..47N 2012A&A...541A..13A 2012A&A...541A..47S 2012ApJ...747...80K 2012ApJ...749...49R 2012ApJ...755...71K 2012ApJS..201...13V 2012MNRAS.423..647E 2012MNRAS.424.1658P 2012MNRAS.426..701M 2011A&A...529A..95V 2011ApJ...728...99S 2011ApJ...740L...4C 2011MNRAS.411..705M 2011MmSAI..82..735R 2011PASJ...63..719N 2010ARep...54.1084K 2010ApJ...710..843S 2010ApJ...716.1478W 2010ApJ...719.1104R 2010ApJ...720.1055S 2010ApJS..186..406D 2010ApJS..190...58K 2010ApJS..191..232B 2010JApA...31...43S 2009A&A...504..429C 2009ApJ...693..413X 2009ApJ...701..454K 2009ApJ...706...83K 2009MNRAS.399.1681T 2008A&A...484..773V 2008AJ....136..221F 2008ApJ...683..189H 2008PASJ...60.1285S 2007ApJ...658L..45L 2007ApJS..169..353B 2006AJ....131.2140T 2006ApJ...649L.123E 2005ApJ...633..309D 2004A&A...428..479W 2004ApJ...606..917R 2004MNRAS.353.1025N 2004MNRAS.355..899C 2003A&A...406..915S 2003RMxAC..15..202I 2002A&A...385.1014C 2002AJ....123.1629K 2002ApJ...575..291H 2002ApJ...576..264R 2002PASJ...54..741I 2001A&A...370..265M 2001A&A...378..608O 2001ARep...45..339S 2001ApJ...560..792I 2001ApJ...561..864L 2001PASJ...53..793O 2001PASJ...53..821A 2000A&A...353..211H 2000A&A...362.1093M 2000AJ....120..298J 2000ApJ...537..875B 2000ApJ...543..799O 1999ApJ...518..760K 1998AJ....116.1856C 1998MNRAS.296..863M 1997ApJ...475..194K 1997ApJS..108..489K 1995A&A...299..869M 1995A&A...301..853G 1995Ap&SS.224..189Z 1995ApJ...447..211K 1995MNRAS.275..755S 1995PAZh...21..114S 1994A&A...281..681S 1994Ap&SS.212..197M 1994ApJ...436..720H 1994ApJS...91..713M 1993A&A...280..208G 1993PASP..105..894M 1991A&A...251..231S 1991MNRAS.250..127C 1990A&A...229L...9I 1990ApJ...348L..45K 1990ApJ...352..636G 1989A&A...224..191V 1989A&A...225..167S 1989AJ.....97.1403M 1989ApJ...341.1114S 1989ApJ...346..763K 1989BAAS...21..761K 1989PASJ...41..809A 1988ApJ...331..509G 1988BAAS...20..956C 1988BAAS...20.1059K 1987ApJ...316..258G 1987ApJ...323..766G 1987MNRAS.226..703C 1986A&A...160..129D 1986ApJ...305..353M 1986ApJ...308..288G 1985A&A...142..131M 1985A&A...145..369A 1985ApJ...299..386M 1985JApA....6..177A 1984ApJ...286..573R 1984PASJ...36..123N 1982A&AS...49..607B 1979ApJ...232..451M 1975ApJ...198..349P 1972MNRAS.157...31M 1971ApJ...170L..89H 1958BAN....14..215W Measures ( ): Notes (0) : ================================================================================