C.D.S. - SIMBAD4 rel 1.8 - 2024.03.29CET11:37:13 EM* MWC 342 ------------ Object EM* MWC 342 --- LP? --- OID=@52335 (@@11336,10) --- coobox=20 Coordinates(ICRS,ep=J2000,eq=2000): 20 23 03.6172964112 +39 29 49.920095616 (Opt ) A [0.0091 0.0109 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 20 21 14.5317005207 +39 20 07.744705215 Coordinates(Gal,ep=J2000,eq=2000): 077.6162207665927 +01.3022136581034 hierarchy counts: #parents=1, #children=0, #siblings=0 Proper motions: -2.953 -5.883 [0.012 0.015 90] A 2020yCat.1350....0G Parallax: 0.5662 [0.0119] A 2020yCat.1350....0G Radial Velocity: -516.867004 [0.235288] A 2020AJ....160..120J Redshift: -0.001723 [0.000001] A 2020AJ....160..120J cz: -516.42 [0.24] A 2020AJ....160..120J Flux U : 11.62 [~] D 2003AJ....125.2531R Flux B : 11.5 [~] E ~ Flux V : 10.6 [~] E ~ Flux G : 9.716651 [0.004576] C 2020yCat.1350....0G Flux J : 6.979 [0.020] C 2003yCat.2246....0C Flux H : 5.800 [0.018] C 2003yCat.2246....0C Flux K : 4.679 [0.017] C 2003yCat.2246....0C Spectral type: B[e] D 1976A&A....47..293A Morphological type: ~ ~ ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (26): AP J20230361+3929498 Gaia DR3 2061430134240761728 TIC 13966711 MSX6C G077.6160+01.3026 2MASS J20230361+3929498 ALS 11256 CSI+39-20212 EM* MWC 342 GEN# +8.02390041 GSC 03156-00042 HBHA 3703-11 Hen 3-1892 Hilt 952 IRAS 20212+3920 JP11 5214 LS II +39 41 TYC 3156-42-1 UBV 17681 UBV M 50929 V* V1972 Cyg [D75b] Em* 20+069 [KW97] 46-9 [NH52] 14 UCAC2 45557671 Gaia DR1 2061430129934450176 Gaia DR2 2061430134240761728 Bibcodes 1850-2024 () (85): 2023A&A...674A..15L 2023MNRAS.523.5554M 2022A&A...659A..35K 2022ApJ...926..229G 2022ApJ...936..129N 2021PASJ...73..837C 2020A&A...638A..21V 2020A&A...644A..62C 2020AJ....160..120J 2020MNRAS.493..234W 2019ApJ...879...69T 2019MNRAS.490.3158C 2018A&A...615A..49C 2018A&A...620A.128V 2018AJ....156..115L 2017MNRAS.472..854A 2016A&A...586A.116J 2016MNRAS.456.1424A 2016NewA...44....1C 2015MNRAS.447..202E 2013A&A...554A.143K 2012A&A...548A..79A 2010PASP..122..753P 2010RMxAC..38..100M 2009ApJ...700..491M 2008A&A...477..193M 2008ApJ...689..513T 2007ApJ...658..462V 2007ApJ...667..497M 2006ApJ...647..444M 2005A&A...436..653M 2005AJ....130.1652R 2005MNRAS.363.1111C 2005MNRAS.364..725O 2005PASJ...57..933D 2003A&A...408..257Z 2003AJ....125.2531R 2002A&A...383..171M 2002Ap.....45....8C 2002Ap.....45..400C 2000A&A...356...50C 2000A&AS..147....5M 1999A&A...349..126M 1999A&AS..134..255K 1999A&AS..136...59A 1999A&AS..136..429C 1999AJ....118.1043H 1998A&A...340..117L 1998ApJS..115..271R 1997AAHam..11....1K 1997ApJS..112..557K 1997PAZh...23..918M 1995A&AS..109..177W 1995A&AS..112..221B 1995Ap&SS.224..519M 1995PASP..107..691I 1994A&AS..104..315T 1994IAUCo.151..227Y 1993A&A...267..515O 1993A&A...270..426G 1993Ap&SS.202..121S 1993ApJ...405..706O 1993IBVS.3840....1K 1992A&AS...94..211G 1991AcApS..11..172D 1991ChA&A..15..275D 1990Afz....32..203B 1989A&A...214..274Z 1989AJ.....98..931V 1983A&A...123..301W 1982SvAL....8..298A 1981A&A...103L...3S 1981A&AS...43..331S 1978A&A....65..259B 1977A&A....56..143K 1976A&A....46...11A 1976A&A....47..293A 1976ApJ...204L.123A 1976ApJS...30..491H 1975ApJ...199..148K 1973MNRAS.161..145A 1961JO.....44..149P 1960LS....C02....0S 1952ApJ...115..459N 1933ApJ....78...87M Measures (distance:3 Fe_H:1 MK:4 PLX:3 PM:2 V*:1 velocities:1 ): distance:3Fe_H:1MK:4PLX:3PM:2V*:1velocities:1 Notes (1) : (S) 07-Apr-2015 - cl ref:2013A&A...554A.143K obj:EM* MWC 342 The nature of MWC 342 remains unclear (Ae/Be, Symbiotic, binary, ?), see e.g. 2013A&A...554A.143K ================================================================================