C.D.S. - SIMBAD4 rel 1.8 - 2024.04.19CEST08:37:45 NAME Ring Nebula ---------------- Object M 57 --- PN --- OID=@2868878 (@@113207,0) --- coobox=19906 Coordinates(ICRS,ep=J2000,eq=2000): 18 53 35.0967659112 +33 01 44.883287544 (Opt ) A [0.0333 0.0383 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 18 51 43.5512966105 +32 57 56.509372629 Coordinates(Gal,ep=J2000,eq=2000): 063.1700861825471 +13.9780955028805 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: 1.645 2.472 [0.043 0.045 90] A 2020yCat.1350....0G Parallax: 1.2696 [0.0438] A 2020yCat.1350....0G Radial Velocity: -19.1 [2] E 1953GCRV..C......0W Redshift: -0.000064 [0.000007] E 1953GCRV..C......0W cz: -19.10 [2.00] E 1953GCRV..C......0W Flux B : 15.405 [0.016] C 2013MNRAS.428.2118D Flux V : 15.769 [0.023] C 2013MNRAS.428.2118D Flux G : 15.649480 [0.002915] C 2020yCat.1350....0G Flux R : 15.901 [0.003] B 2013MNRAS.428.2118D Flux I : 16.062 [0.012] C 2013MNRAS.428.2118D Flux J : 16.40 [0.20] D 2013MNRAS.428.2118D Spectral type: DA(O?) D 1995A&A...301..545N Morphological type: ~ ~ ~ Angular size: 1.153 1.153 90 (Rad ) D 2008ApJ...689..194S Identifiers (34): Gaia DR3 2090486618786534784 PLX 4377 BD+32 3246 CSI+32-18517 GCRV 11366 GSC2 N0223131306 HD 175353 IRAS 18517+3257 M 57 NGC 6720 PK 063+13 1 PK 063+13 PN G063.1+13.9 PN ARO 9 PN VV 214 PN VV' 466 WD 1851+329 [LFO93] 1851+32 PLX 4377.00 NAME Ring Nebula [D71] 1851+32 [FA87] 1851+329 [A86] 1851+329 B2.1 1851+32 BWE 1851+3257 GB6 B1851+3257 MITG J185334+3301 MITG J185337+3301 NVSS J185335+330145 WB 1851+3257 87GB 185143.8+325740 WN B1851.7+3257 WEB 16043 Gaia DR2 2090486618786534784 Bibcodes 1850-2024 () (831): 2023ApJ...949...74R 2023ApJ...957...82F 2023MNRAS.521.6318B 2023MNRAS.523..498B 2023MNRAS.524.2797M 2023PASP..135f5001O 2023PASP..135f8001G 2022A&A...658A..17S 2022A&A...659A.197B 2022A&A...662A..40C 2022A&A...666A.152L 2022AJ....163..173G 2022ApJ...927...46S 2022ApJ...927..100K 2022ApJ...936..143Y 2022ApJ...936..168B 2022MNRAS.510.5444G 2022NatAs...6.1421D 2022PASP..134b2001K 2021A&A...649A.164L 2021A&A...655A..17S 2021A&A...656A..51G 2021ApJ...919..121H 2021ApJ...923..187T 2021ApJS..257...36M 2021MNRAS.502.1070H 2021MNRAS.505.5514M 2021MNRAS.507.5331J 2021MNRAS.508.3877G 2021PASP..133i3002U 2021PASP..133l.101M 2020A&A...638A.103C 2020A&A...640A..10W 2020ApJ...889...21S 2020ApJ...900L..31Z 2020MNRAS.491..758A 2020MNRAS.492.4097G 2020MNRAS.493..730M 2020MNRAS.493.3800A 2020MNRAS.495.1016R 2020MNRAS.496..814B 2020MNRAS.497.3180A 2020PASP..132c4203P 2019A&A...621A..38G 2019A&A...625A.101B 2019A&A...630A.150G 2019AJ....158..145U 2019ApJ...882..171A 2019MNRAS.482.4570G 2019MNRAS.483.3773S 2019MNRAS.485.3360T 2019MNRAS.485.3930D 2019MNRAS.486.1853E 2019PASJ...71....4U 2018A&A...611A..41R 2018A&A...616L...2K 2018A&A...620A.169W 2018ApJ...852...87D 2018ApJ...859...92F 2018MNRAS.477.4499A 2018MNRAS.479.5657H 2018MNRAS.480.2423I 2017A&A...607A..61Z 2017AJ....153..140R 2017ApJ...835...79S 2017ApJ...850..123S 2017ApJS..231...22O 2017AstL...43..304B 2017MNRAS.465.1289A 2017MNRAS.469.1036J 2017MNRAS.471.4648V 2017MNRAS.472.1182P 2017NewA...57....6S 2016ApJ...817...68Z 2016ApJ...817..175S 2016ApJ...824L..27G 2016ApJS..226...15F 2016MNRAS.455.1459F 2016MNRAS.456L..89C 2016MNRAS.459..841M 2016MNRAS.460L..35G 2016MNRAS.461.2818M 2016MNRAS.462..610R 2016MNRAS.463.4223M 2016yCat....1.2035M 2015A&A...573A...6P 2015A&A...574A.134V 2015A&A...582A.102O 2015AJ....150..108O 2015ApJ...798..129G 2015ApJ...800....8M 2015ApJ...803...77C 2015ApJ...805...53C 2015ApJ...808..115M 2015ApJ...812..133S 2015ApJS..217...25G 2015ApJS..218...25S 2015MNRAS.447..817B 2015MNRAS.448.1584L 2015MNRAS.449.2980S 2015MNRAS.453.1281B 2014A&A...565A..36U 2014A&A...565A..87O 2014A&A...565A.109B 2014A&A...566A..78E 2014A&A...566A..79A 2014A&A...570A.131V 2014A&A...570A.132S 2014ApJ...784..173D 2014ApJ...791...79E 2014ApJS..213....3M 2014MNRAS.440.1345F 2014MNRAS.443.3486T 2013A&A...552A..74W 2013A&A...553A.126G 2013A&A...557A.121G 2013A&A...558A..78J 2013A&A...560A...7V 2013AJ....145...92O 2013AJ....145...93O 2013AJ....145..170O 2013ApJ...766...26M 2013ApJ...770L...5E 2013ApJ...773..133R 2013ApJ...775...84A 2013ApJ...778...89P 2013MNRAS.428.2118D 2013MNRAS.428.3443M 2013MNRAS.429..973M 2013MNRAS.429.2791F 2013MNRAS.431....2F 2013MNRAS.432..793G 2012A&A...542L..20S 2012A&A...548A.113D 2012AJ....144...58K 2012ApJ...757...79F 2012ApJ...760..115C 2012ApJS..200....3B 2012MNRAS.419...39M 2012MNRAS.420.1977R 2012MNRAS.423..925A 2012MNRAS.423.3753R 2011A&A...526A...6W 2011A&A...526A.162G 2011AJ....141...76S 2011ApJ...733L..50R 2011ApJ...740...27K 2011JHA....42..177H 2011JRASC.105..116G 2011JRASC.105..209G 2011MNRAS.410.2257P 2011MNRAS.411.1035Y 2011RMxAA..47...31Q 2011RMxAA..47...83P 2011RMxAC..40..179R 2010A&A...511A..53V 2010A&A...518L.137V 2010A&A...518L.141L 2010AJ....140..490N 2010AJ....140..985O 2010ApJ...708...93K 2010ApJ...714.1096S 2010ApJ...724..748H 2010ApJ...725L.156L 2010JBAA..120..179M 2010JBAA..120..245M 2010JRASC.104..109G 2010MNRAS.405.2179P 2010PASP..122..451M 2009A&A...495..537U 2009A&A...498..463P 2009AJ....137.3815O 2009ARep...53.1155K 2009ApJ...694.1335D 2009ApJ...700..579R 2009ApJ...700.1067M 2009AstL...35..518M 2009JBAA..119..227P 2009JBAA..119..241P 2009MNRAS.395..667Z 2009PASP..121..428O 2009RMxAA..45..143S 2009RMxAC..35...39T 2008A&A...479..155K 2008A&A...480..775V 2008A&A...482..529U 2008A&A...492..463O 2008AJ....136.1566O 2008ARep...52..327H 2008ApJ...677.1100W 2008ApJ...689..194S 2008ApJ...689..219K 2008ApJS..174..158S 2008MNRAS.383.1029P 2008MNRAS.390.1014R 2008MNRAS.391..399K 2008PASP..120..380W 2007A&A...461.1019G 2007A&A...475..217Q 2007AJ....133..631H 2007AJ....134.1679O 2007JBAA..117R.279M 2007JRASC.101..111M 2007JRASC.101..157W 2006A&A...450..159K 2006A&A...451..937S 2006ApJ...650..916M 2006ApJ...651..898S 2006ApJ...652..426H 2006ApJ...652.1626F 2006AstL...32..557M 2006MNRAS.368.1959L 2006MNRAS.372.1081F 2006MNSSA..65..116S 2006RMxAA..42..131R 2005A&A...431..523B 2005A&A...434..181H 2005A&A...443..981K 2005AJ....130..172O 2005AJ....130.1784M 2005ARep...49..390H 2005ApJ...624..463G 2005ApJS..157..371R 2005ApJS..160..272H 2005LAstr.119..346F 2005MNRAS.358..457Z 2005MNRAS.361..283P 2005MNRAS.362.1199C 2005MNRAS.364..849P 2005NewA...10..237Z 2005PASP..117..665H 2005RMxAC..23..130D 2004A&A...427..873W 2004AJ....127.2284H 2004AJ....127.3437M 2004ApJ...607..865A 2004ApJS..150..343E 2004BaltA..13..696D 2004IAUS..217..190R 2004MNRAS.349..793P 2004MNRAS.351..935Z 2004MNRAS.353.1231L 2004MNRAS.353.1251L 2004PASP..116.1135H 2003A&A...397..659J 2003A&A...408.1029K 2003ApJ...585..475H 2003IAUS..209....3K 2003IAUS..209..249H 2003IAUS..209..257A 2003IAUS..209..271S 2003IAUS..209..339L 2003IAUS..209..349M 2003MNRAS.340..417C 2003MNRAS.340..883P 2003MNRAS.344..501P 2003PASP..115..170S 2003RMxAC..15...29O 2003RMxAC..18..106R 2003S&T...105b..42W 2002A&A...382..282C 2002A&A...384.1062T 2002A&A...387..295K 2002A&A...387.1074M 2002A&A...393..273H 2002AJ....123.3329O 2002ApJ...572..326B 2002ApJ...576..285S 2002ApJ...580..434H 2002ApJ...581.1204V 2002PASJ...54..891O 2002RMxAC..12..167K 2002S&T...103d..32F 2001A&A...367..635F 2001A&A...367..652F 2001A&A...367..674C 2001A&A...367..973N 2001A&A...369.1088R 2001A&A...374..280M 2001A&A...378..843K 2001Ap&SS.277..393C 2001Ap&SS.277..545M 2001ApJ...558..145G 2001LAstr.115..172H 2001MNRAS.322..866P 2001MNRAS.323..343L 2001PASP..113..846P 2001RMxAC..10...13G 2000A&A...354..573R 2000A&A...354.1071C 2000A&A...355...69P 2000A&A...358.1049P 2000A&A...361.1121M 2000AJ....119.2360D 2000AJ....119.2910O 2000Ap.....43..463K 2000ApJ...531..928H 2000ApJ...532..994H 2000ApJ...537..853M 2000IAUS..177..413O 2000PASJ...52...93K 2000PASP..112..809B 2000RMxAA..36....3C 2000S&T...100a..32K 1999A&A...345..629M 1999A&A...350..101N 1999A&A...351..201P 1999A&A...352..297S 1999A&AS..135..203R 1999AJ....117.1433C 1999AJ....118..488C 1999ApJ...517..767G 1999ApJ...522..378G 1999ApJS..121....1M 1999ApJS..124..195H 1999BASI...27..443S 1999MNRAS.306..806S 1999MNRAS.309..731B 1998A&A...329..691K 1998A&A...336..915C 1998A&A...340..527P 1998A&AS..130..465P 1998A&AS..132...13D 1998AJ....115.1989T 1998AJ....116.1346O 1998AJ....116.1367J 1998ARep...42..293M 1998Ap&SS.255..447M 1998Ap&SS.255..513K 1998ApJ...493..247K 1998ApJ...495..328M 1998ApJ...509..728W 1998ApJS..117..341Z 1998ApJS..117..361C 1998MNRAS.297..617C 1998SSRv...84..177P 1998SSRv...84..199C 1997A&A...318..256G 1997A&A...324..624Z 1997A&A...324.1123B 1997A&AS..125..355H 1997ARep...41..760M 1997Ap&SS.251...63B 1997ApJ...477..218G 1997ApJ...482L.101Y 1997ApJ...483..320B 1997ApJ...487..328G 1997ApJ...488L.157Y 1997ApJS..112..487S 1997Ast....25b..36F 1997Ast....25e..60S 1997IAUS..170..373K 1997IAUS..180...29T 1997IAUS..180...40H 1997IAUS..180..120M 1997PASP..109...71G 1997S&T....94d..53H 1996A&A...307..253B 1996A&A...307..561P 1996A&A...311..997G 1996A&A...315..253W 1996A&A...315..284H 1996A&AS..116..395F 1996Ap&SS.245..169O 1996ApJ...458..215H 1996ApJ...458L...1S 1996ApJ...462..777K 1996Ast....24e..72E 1996JBAA..106...11G 1996MNRAS.279..511L 1996PASP..108..610M 1996S&T....92a..38K 1995A&A...301..545N 1995A&A...303..535G 1995A&AS..114..269D 1995Ap&SS.232...99M 1995ApJ...444..748B 1995ApJ...446..279B 1995ApJ...455..133H 1995ApJS...98..659Z 1995ApJS..100..159L 1995ApJS..100..169S 1995CCDA....2d...8G 1995GCTP..C......0V 1995MNSSA..54...72. 1995PASP..107.1226P 1995RMxAA..31..131P 1994A&A...281L..93B 1994A&A...282..199R 1994A&A...282..554F 1994A&A...288..897T 1994A&A...288..921C 1994A&AS..104..169P 1994A&AS..106..559T 1994A&AS..108..485V 1994AJ....108.1860L 1994Ap&SS.211..179G 1994Ap&SS.212...61F 1994Ap&SS.216...13B 1994Ap&SS.216...23B 1994Ap&SS.219..231M 1994ApJ...421..600K 1994ApJ...425..687Z 1994Ast....22d..40G 1994Ast....22e..41E 1994BAAS...26..953V 1994BAAS...26.1469L 1994BaltA...3..112N 1994MNRAS.266..721B 1994MNRAS.269..975H 1994Mercu..23a...5B 1994PASP..106...56F 1994PAZh...20..122A 1993A&A...273..601F 1993A&AS...99..291L 1993AJ....106.1954V 1993AcA....43..371G 1993AcA....43..389T 1993ApJ...409..725Y 1993ApJ...410..239Z 1993ApJS...86..517Y 1993ApJS...88..137Z 1993BAAS...25..851Z 1993IAUS..155..147H 1993IAUS..155..175P 1993IAUS..155..209K 1993PASP..105.1287R 1993yCat.3135....0C 1992A&A...262..271M 1992A&ARv...4..215P 1992A&AS...94..399C 1992A&AS...95..337T 1992Ap&SS.188..171P 1992ApJ...386..587F 1992ApJ...389..628S 1992ApJ...392..582B 1992BAAS...24.1213K 1992C&E...265...44B 1992ESOPN...1....1A 1992PAZh...18..802K 1992S&W....31..774B 1991A&A...247..148P 1991A&A...251..560S 1991A&A...252..718M 1991A&AS...89...77T 1991A&AS...90...89A 1991A&AS...91..325P 1991Ap&SS.181...73G 1991ApJ...374..227H 1991ApJ...376..150C 1991ApJ...379..271B 1991ApJS...76..687P 1991BAAS...23.1408Q 1991IAUS..145..375M 1991PASAu...9..309P 1991S&W....30..617W 1991TrSht..62..143K 1990A&A...227..207R 1990A&A...232..184P 1990A&AS...83...27P 1990A&AS...83..337J 1990AJ....100..511H 1990ATsir1544....7G 1990Ap&SS.171..157M 1990Ap&SS.171..195B 1990ApJ...348..580M 1990ApJ...356L..59Z 1990ApJ...359..392K 1990Ast....18j..66C 1990JHA....21..331H 1990LAstr.104..147W 1990MNRAS.244..521B 1989A&A...209..369G 1989A&AS...78..301W 1989AJ.....98.2159K 1989Afz....30..282I 1989Ap&SS.154...21A 1989ApJ...338..197S 1989ApJ...340..921B 1989ApJ...343..811S 1989ApJ...345..306L 1989ApJ...345..871K 1989ApJ...346..201H 1989ApJ...347..307B 1989BAAS...21.1200M 1989IAUS..131...55K 1989IAUS..131...83B 1989IAUS..131..105C 1989IAUS..131..129R 1989IAUS..131..170G 1989IAUS..131..186H 1989IAUS..131..198C 1989IAUS..131..223C 1989IAUS..131..381K 1989IAUS..131..577P 1989SSRv...51..339K 1988A&A...200..178M 1988A&A...202..203L 1988Ap&SS.149..343G 1988ApJ...324..501Z 1988ApJ...325..604G 1988ApJ...326..368P 1988ApJ...327..342T 1988ApJ...331..826B 1988JBAA...98..362B 1988MNRAS.235..533W 1988S&W....27..278E 1987A&A...178..319M 1987A&A...180..191P 1987A&AS...71..245G 1987AJ.....94..671B 1987AZh....64..537P 1987Ap&SS.129..353F 1987ApJ...313..268H 1987ApJ...319..407F 1987ApJ...322..922B 1987ApJ...323L..47S 1987ApJS...64..529C 1987IAUS..120..339S 1987IAUS..122..505H 1987PN86........39L 1987PN86........79P 1987XXIQ.........0. 1986A&A...156..217T 1986A&A...158..228F 1986A&A...160...31S 1986A&A...160..171L 1986A&A...161..363P 1986A&AS...64..579S 1986A&AS...65..267A 1986ATsir1430....3K 1986ApJ...301..772Z 1986ApJ...302..727J 1986ApJ...308..314B 1986ApJ...308..322K 1986Ast....14j..39J 1986BAAS...18..950G 1986BAAS...18.1054G 1986JBAA...96...84L 1986MNRAS.220p..33H 1986MitAG..67..111K 1986RMxAA..12..240F 1986RMxAA..12..249M 1985A&A...149..365M 1985AJ.....90.2055H 1985Ap&SS.113...59A 1985ApJ...291..237C 1985ApJ...294..193B 1985BAAS...17..885O 1984A&A...130...91P 1984A&A...136..181S 1984A&A...137...92P 1984A&A...140..141P 1984A&AS...55..253M 1984A&AS...58..273S 1984AJ.....89..501T 1984Afz....20..503K 1984Ap&SS.107...19A 1984ApJ...278..610B 1984ApJ...279..304C 1984ApJ...284..589B 1984BAAS...16..995C 1983A&A...126...31P 1983A&AS...54..315A 1983ATsir1271....1K 1983AZh....60..448A 1983AZh....60..931S 1983ApJ...265..249W 1983ApJ...266..689K 1983ApJ...267..630B 1983ApJ...268..683J 1983ApJ...270..641B 1983ApJ...271..188K 1983ApJ...273..214F 1983ApJS...52..399S 1983IAUS..103....1A 1983IAUS..103...31R 1983IAUS..103..173P 1983IAUS..103..187M 1983IAUS..103..219H 1983IAUS..103..323P 1983IAUS..103..391P 1983IAUS..103..522B 1983IAUS..103..532K 1983JBAA...93...61A 1983MNRAS.202..303W 1983MmSAI..54..511C 1983Msngr..31...20H 1983S&W....22...68G 1983S&W....22..224G 1983S&W....22..336G 1982A&A...110..105S 1982AZh....59..326G 1982ApJ...253..167B 1982BAAS...14..573K 1982BAAS...14..654K 1982BASI...10...73M 1982IAUS..103..323P 1982MNRAS.199..649R 1982MNRAS.199p..15F 1982PASP...94..226T 1982PSCDS...3....0A 1981A&A....94..160L 1981A&A....98...81L 1981ATsir1166....4A 1981ApJ...244...54K 1981ApJ...245..131F 1981ApJ...246..434F 1981ApJ...249..201K 1981ApJ...250..605W 1981MNRAS.194..613A 1981SBS80.R....517I 1980A&A....88....1M 1980A&A....89...33A 1980A&A....89..336P 1980AJ.....85..886B 1980ApJ...237..491K 1980ApJ...239...78K 1980ApJ...239..592K 1980ApJ...240...99B 1980ApJ...241.1014Z 1980ApJS...42....1J 1980ApL....21...47P 1980PhDT.........3D 1980QJRAS..21...82T 1980RMxAA...5....9P 1980S&T....60..171H 1979Afz....15..269K 1979ApJ...228..163K 1979BAAS...11..668L 1979IzKry..59..167G 1979MNRAS.188..229C 1979MNRAS.189..511T 1979PASP...91..280S 1979SvA....23..425P 1978A&A....66..297A 1978A&A....68..275P 1978A&AS...33..223S 1978A&AS...33..367A 1978ApJ...219..575B 1978ApJ...219..914B 1978ApJ...219L..33B 1978ApJ...220..193B 1978ApJ...220..490M 1978ApJ...222..384G 1978ApJ...224..873P 1978ApJ...225..527K 1978ApJ...226..947K 1978IAUS...76...71M 1978IAUS...76..123A 1978IAUS...76..251M 1978IAUS...76..289G 1978IAUS...76..290A 1978IAUS...76..361O 1978MNRAS.182...97T 1978PASP...90...39H 1977A&A....58L..29M 1977A&A....59...91P 1977A&A....60L...9M 1977A&AS...30..217A 1977ApJ...212...94H 1977MNRAS.179..317R 1977MNRAS.180...95T 1977RMxAA...2..181T 1977XXGL.........0. 1976A&A....47..341D 1976AJ.....81..407C 1976AZh....53..534K 1976AZh....53..762K 1976AZh....53..961K 1976AZh....53.1202K 1976ApJ...204..445A 1976ApJ...205..798A 1976ApJ...207..102D 1976ApJ...210..508C 1976ApJS...31..517K 1976Lub75...1...43K 1976MSRSL...9..271A 1976PASP...88..574A 1976S&T....51..363H 1975A&A....39...43S 1975A&A....39..383P 1975ApJ...200...83D 1975ApJ...201L..85M 1975MNRAS.170..475S 1975MNRAS.170..487S 1975MNRAS.171..415C 1975MNRAS.171..441M 1974A&A....30..189L 1974A&A....34..141B 1974A&A....35...71P 1974A&A....35..219G 1974A&A....35..421P 1974AJ.....79..594K 1974AJ.....79.1384C 1974ApJ...187..283B 1974ApJ...188..529B 1974ApJ...192..165S 1974ApJ...193..687B 1974PASP...86..885W 1974VA.....16..309T 1974XXFY.........0. 1973ATsir.788....3A 1973BAAS....5..424G 1973IAUS...52..237C 1973MNRAS.161..313H 1973MNRAS.164..321S 1973MSRSL...5...57M 1973MSRSL...5..101H 1973MSRSL...5..109T 1973MSRSL...5..153D 1973MSRSL...5..243K 1973MSRSL...5..285A 1973MSRSL...5..473K 1973SSTor...5b...1I 1972A&A....18...70G 1972A&A....21..193H 1972AJ.....77..350T 1972ApJ...172..367G 1972CR....274..294L 1972SvA....16....6O 1971A&A....10..161G 1971AJ.....76..193S 1971AJ.....76..980D 1971Ap&SS..11..309H 1971ApJ...168..413P 1971ApJS...22..319C 1971ApL.....7..241C 1971BOTT....6...21P 1971BOTT....6...29P 1971IzPul.187....4D 1971JRASC..65..251F 1971MNRAS.153..315H 1971MNRAS.154..301K 1971NBSSP.353..182L 1971PAB.....1....1H 1971XXFQ.........0. 1970A&A.....9..448H 1970ApJ...159..829W 1970ApJ...160..887K 1970ApJ...161..917A 1970JRASC..64..305F 1970LAstr..84..141A 1970MNRAS.150..359T 1970PN70.........1G 1970PN70........74G 1970PN70........80G 1970PN70.......141G 1970PN70.......195G 1970PN70.......238G 1970S&T....39...15A 1970S&T....39..220A 1970S&T....39..299A 1970SoSht.166...31A 1969ATsir.498....7P 1969Afz.....5...83V 1969ApJ...155..469K 1969CoLic..17..271C 1969PASP...81..154K 1969S&T....38..152A 1969S&T....38..227A 1968AnAp...31..199V 1968ApJ...153...43K 1968ApJ...154...87V 1968ApL.....2..201T 1968BAICz..19....1K 1968BAICz..19...81K 1968BAICz..19...90K 1968CoLic.269..282W 1968IAUS...34...63A 1968IAUS...34...87T 1968IAUS...34..104B 1968IAUS...34..108E 1968IAUS...34..112T 1968IAUS...34..159A 1968IAUS...34..209A 1968IAUS...34..227K 1968IAUS...34..261O 1968IAUS...34..282W 1968IAUS...34..320L 1968IAUS...34..339A 1968MmSAI..39..217B 1968PASP...80..689C 1967AJ.....72..443T 1967ApJ...148..429T 1967ApJ...148..927K 1967ApJ...149..377H 1967ApJ...149..495D 1967ApJ...149..721S 1967MNRAS.135..139D 1966ApJ...143..168O 1966ApJ...143..722K 1966ApJ...144..280L 1966ApJ...144..657T 1966ApJ...145..697O 1966MNRAS.132...15H 1966RZh.....3..328B 1965ApJ...141..745M 1965ApJ...141.1285O 1965ApJ...141.1318A 1965BOTor..37..155I 1965Natur.206..809D 1965PASP...77...25L 1965XXEC.........0. 1965XXED.........0. 1964MNRAS.128..399D 1963JO.....46...27C 1962ApJ...135..371O 1961ApJ...133....2O 1961ApJ...133..471C 1960ApJ...131..537M 1960ApJ...131..541O 1953GCRV..C......0W 1951ApJ...113..701L 1951POBol...5n...1T 1934LicOB..17...21A 1931ZA......2..329Z 1925ApJ....61..389M 1919ApJ....50..376L 1918PLicO..13...55C 1917ApJ....46..206L 1910ApJ....32...26R 1906MNRAS..66..104B 1906MNRAS..66..444N 1903ApJ....18..218P 1899ApJ....10..193K 1894AstAp..13..190V 1894AstAp..13..494C 1893AstAp..12...51V 1892AN....129..233K 1850CDT..1784..227M Measures (distance:4 herschel:21 ISO:15 IUE:35 MK:1 PLX:4 PM:3 velocities:2 ): distance:4herschel:21ISO:15IUE:35MK:1PLX:4PM:3velocities:2 Notes (2) : (S) 03-Nov-2015 - bc ref:~ obj:GB6 B1851+3257 See also \vizier{VIII/85A/spectra}{Seq= 81068 }{Specfind radio flux densities}. (S) 11-Apr-2019 - cl ref:~ obj:M 57 Coordinates, proper motions, parallax, spectral type, and magnitudes, are those of the progenitor WD 1851+329 ================================================================================