C.D.S. - SIMBAD4 rel 1.8 - 2024.04.19CEST19:09:53 NGC_6781 -------- Object NGC 6781 --- PN --- OID=@2689505 (@@58814,13) --- coobox=19634 Coordinates(ICRS,ep=J2000,eq=2000): 19 18 28.085 +06 32 19.29 (~) D [~ ~ ] 2003A&A...408.1029K Coordinates(FK4,ep=B1950,eq=1950): 19 16 01.480 +06 26 47.83 Coordinates(Gal,ep=J2000,eq=2000): 041.840767 -02.987453 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: ~ ~ [~ ~ ] ~ ~ Parallax: ~ [~] ~ ~ Radial Velocity: ~ [~ ~ ] ~ ~ Redshift: ~ [~ ~ ] ~ ~ cz: ~ [~ ~ ] ~ ~ Flux V : 11.8 [~] D 2007MNSSA..66..172S Spectral type: ~ ~ ~ Morphological type: ~ ~ ~ Angular size: 1.767 1.767 90 (Rad ) D 2008ApJ...689..194S Identifiers (8): GSC2 N023231154981 IRAS 19160+0626 NGC 6781 PK 041-02 1 PN G041.8-02.9 PN VV 228 PN ARO 32 PN VV' 492 Bibcodes 1850-2024 () (261): 2023MNRAS.523..498B 2023PASJ...75.1280O 2022A&A...658A..17S 2022A&A...659A.197B 2022ApJ...936..168B 2022PASP..134b2001K 2021A&A...649A.164L 2021A&A...656A..51G 2021MNRAS.504..816B 2020A&A...638A.103C 2020A&A...640A..10W 2020ApJ...889...21S 2020MNRAS.491.2959O 2020MNRAS.496..814B 2019A&A...625A.101B 2019A&A...630A.150G 2019AJ....158..145U 2018A&A...611A..41R 2018A&A...616L...2K 2018A&A...617A..85G 2018A&A...620A.169W 2018ApJ...859...92F 2018ApJ...864L..31S 2018MNRAS.477.4499A 2018MNRAS.478.1502P 2018MNRAS.479.5657H 2017ApJ...835...79S 2017ApJ...850..123S 2017ApJS..231...22O 2017MNRAS.465.1289A 2016MNRAS.455.1459F 2016MNRAS.459..841M 2015AJ....150...14M 2015ApJ...800....8M 2015MNRAS.448.3132D 2014A&A...565A..36U 2014A&A...566A..78E 2014A&A...566A..79A 2013A&A...558A..93A 2013A&A...560A...7V 2013ApJ...770L...5E 2013MNRAS.431....2F 2013MNRAS.434.1513D 2012A&A...538A..76N 2012A&A...541A..98A 2012A&A...541A.112K 2012AJ....144...58K 2012ApJS..200....3B 2011A&A...525A..58G 2011Ap.....54...52M 2011ApJ...738..174M 2011MNRAS.411.1035Y 2011MNRAS.411.1395L 2011MNRAS.415..513P 2011RMxAA..47...31Q 2010A&A...522A..10C 2010ApJ...714.1096S 2010MNRAS.405.2179P 2009A&A...498..463P 2009AstL...35..518M 2008A&A...479..155K 2008A&A...482..529U 2008ApJ...678..328Z 2008ApJ...689..194S 2007A&A...475..217Q 2007AJ....134.1679O 2007MNRAS.382.1139B 2007MNSSA..66..172S 2006ApJ...648..430S 2006MNRAS.372.1081F 2006RMxAC..26...28S 2005A&A...431..523B 2005A&A...434..181H 2005A&A...443..981K 2005RMxAC..24..281R 2004A&A...427..873W 2004MNRAS.353..589P 2004MNRAS.353.1231L 2004MNRAS.353.1251L 2004NewA....9..391P 2003A&A...397..659J 2003A&A...408.1029K 2003IAUS..209..249H 2003IAUS..209..257A 2003MNRAS.340..417C 2003MNRAS.344..501P 2003RMxAC..18..106R 2002A&A...384.1062T 2002ApJ...576..285S 2002RMxAC..12..158A 2001A&A...373.1032S 2001A&A...374..280M 2001A&A...374..599B 2001A&A...378..843K 2001Ap&SS.277..393C 2001ApJ...563..875M 2001MNRAS.323..343L 2001MNRAS.325..881A 2000A&A...355...69P 2000ApJ...532..994H 2000IAUS..177..413O 1999A&A...352..297S 1999AJ....118..488C 1999ApJ...517..767G 1998A&A...331L..45B 1998A&A...340..527P 1998A&AS..132...13D 1998AJ....115.1989T 1998ARep...42..293M 1998ApJ...509..728W 1998ApJS..117..341Z 1998ApJS..117..361C 1998SSRv...84..177P 1997A&A...318..256G 1997A&A...324.1123B 1997ARep...41..760M 1997Ap&SS.251...63B 1997ApJS..112..487S 1996A&A...315..284H 1996A&AS..116..395F 1996Ap&SS.245..169O 1996ApJ...457..773D 1996ApJ...462..777K 1995A&A...293..871C 1995ApJS...98..659Z 1995MNRAS.276...57C 1994A&A...288..897T 1994A&AS..106..559T 1994A&AS..108..485V 1994Ap&SS.219..231M 1994ApJ...421..600K 1994Ast....22f..63E 1993A&A...267..177B 1993ApJ...408L.105G 1993ApJS...88..137Z 1993IAUS..155..147H 1992A&A...262..271M 1992A&A...266..486S 1992A&AS...94..399C 1992A&AS...95..337T 1992ESOPN...1....1A 1991Ap&SS.181...73G 1991ApJ...374..227H 1991ApJS...76..687P 1991PASAu...9...15M 1990A&A...232..184P 1990ApJ...356..229H 1990ApJ...356L..59Z 1990ApJ...359..392K 1989A&AS...78..301W 1989A&AS...79..329Z 1989AJ.....98.1662J 1989Ap&SS.154...21A 1989Ap&SS.157...23M 1989ApJ...343..811S 1989ApJ...345..306L 1989ApJ...345..871K 1989IAUS..131...83B 1989IAUS..131..105C 1988A&A...197..266G 1988Ap&SS.149..343G 1987AJ.....94..671B 1987XXIQ.........0. 1986A&A...160...31S 1986A&AS...64..579S 1986ApJ...301..772Z 1986ApJ...302..727J 1986ApJ...303..451K 1985Ap&SS.113...59A 1985MNRAS.213..563S 1985MitAG..63..212B 1984A&A...136..181S 1984A&A...137...92P 1984A&A...138...10P 1984A&A...140..141P 1984A&AS...55..253M 1984A&AS...58..273S 1984AJ.....89..501T 1983A&AS...54..315A 1983AZh....60..448A 1983AZh....60..931S 1983ApJ...271..188K 1983IAUS..103..391P 1982A&AS...47..575L 1982A&AS...50..209M 1982BASI...10...73M 1982MNRAS.199..141C 1982MNRAS.199..649R 1982PSCDS...3....0A 1981SBS80.R....517I 1980A&A....88....1M 1980ApJS...42....1J 1979A&AS...36..169M 1979Afz....15..269K 1979SvA....23..425P 1978A&AS...33..223S 1978A&AS...33..367A 1978Afz....14..665P 1978ApJ...225..527K 1977A&A....60L...9M 1977A&AS...30..217A 1977AJ.....82..337S 1976A&AS...25..179C 1976AJ.....81..407C 1976ApJ...203..636K 1976ApJ...210..508C 1976ApJS...31..517K 1975A&A....38..183M 1975MNRAS.171..441M 1974A&A....34..141B 1974AJ.....79.1384C 1974VA.....16..309T 1973AJ.....78..239M 1973IAUS...52..237C 1973MNRAS.161..313H 1973SSTor...5b...1I 1972A&A....18...70G 1972A&A....21..193H 1972AJ.....77..350T 1972AuJPh..25...91A 1971A&A....10..161G 1971AJ.....76..193S 1971Ap&SS..11..309H 1971ApJS...22..319C 1971IzPul.187....4D 1971MNRAS.153..315H 1971PAB.....1....1H 1971SoByu..43...13K 1970ApJ...160..887K 1970MNRAS.150..359T 1970PN70........80G 1970PN70.......238G 1969A&A.....3..156R 1969ApJ...155..469K 1969PASP...81..154K 1968ApJ...151..991C 1968ApJ...151L..61S 1968ApL.....1..121G 1968BAICz..19....1K 1968IAUS...34...87T 1968IAUS...34..104B 1968IAUS...34..112T 1968IAUS...34..456M 1968XXET.........0. 1967AJ.....72..443T 1967ApJ...148..429T 1967ApJ...149..377H 1967MNRAS.135..139D 1966ApJ...144..259A 1966ApJ...144..657T 1966MNRAS.132...15H 1966Obs....86..148L 1965AJ.....70..680K 1965AuJPh..18..187S 1965BOTor..37..155I 1965XXEC.........0. 1962ApJ...135..371O 1961ApJ...133..471C 1942ApJ....95..243M 1934LicOB..17...21A 1918PLicO..13...55C Measures (distance:2 herschel:12 ISO:7 ): distance:2herschel:12ISO:7 Notes (0) : ================================================================================