C.D.S. - SIMBAD4 rel 1.8 - 2023.02.09CET13:25:28 NGC_6921 -------- Object NGC 6921 --- Sy2 --- OID=@11568943 (@@-1,255) --- coobox=20380 Coordinates(ICRS,ep=J2000,eq=2000): 20 28 28.8658027224 +25 43 24.094324884 (Opt ) C [1.9742 2.7573 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 20 26 20.7463050474 +25 33 23.025792904 Coordinates(Gal,ep=J2000,eq=2000): 066.9832843689999 -07.5585428241651 hierarchy counts: #parents=2, #children=0, #siblings=0 Proper motions: ~ ~ [~ ~ ] ~ ~ Parallax: ~ [~] ~ ~ Radial Velocity: 4531 [22] C 2006AJ....132..197W Redshift: 0.01523 [0.00007] C 2006AJ....132..197W cz: 4566.0 [22.0] C 2006AJ....132..197W Flux U : 15.41 [0.01] D 2009A&A...494..417R Flux V : 12.897 [0.007] D 2009A&A...494..417R Flux G : 18.200279 [0.043541] C 2020yCat.1350....0G Flux J : 10.012 [0.015] C 2006AJ....131.1163S Flux H : 9.180 [0.019] C 2006AJ....131.1163S Flux K : 8.836 [0.016] C 2006AJ....131.1163S Spectral type: ~ ~ ~ Morphological type: S D ~ Angular size: 1.090 0.436 140 (NIR ) C 2006AJ....131.1163S Identifiers (20): Gaia DR3 1832568055929553664 SWIFT J202828.7+254322 2MASS J20282888+2543244 USNO-B1.0 1157-00462166 TIC 436329753 NuSTAR J202828+2543.4 GB6 B2026+2533 IRAS 2026+255P15 IRAS 20264+2533 LEDA 64768 MCG+04-48-001 NGC 6921 UGC 11570 [VDD93] 228 2MASX J20282884+2543241 87GB 202621.8+253300 UZC J202828.8+254324 Z 2026.4+2533 PSCz Q20264+2533 [WGB2006] 202624+25330 a Bibcodes 1850-2023 () (88): 2022ApJ...938...87K 2022ApJS..260...30T 2022ApJS..261....2K 2022MNRAS.510.5102O 2022PASJ...74.1356T 2021ApJS..257...61Y 2021MNRAS.506.5935R 2020ApJ...905...41B 2019A&A...626A..40P 2019ApJ...870..104S 2019ApJS..244...24L 2019MNRAS.483.5281W 2018A&A...609A...9L 2018A&A...618A..81T 2018ApJ...867..110B 2018MNRAS.477.3775B 2017ApJ...836...99L 2017ApJ...837..120G 2017ApJ...844...96Y 2017ApJ...846...20L 2017ApJS..229...25C 2017ApJS..230....1L 2017ApJS..233...17R 2017MNRAS.468.1273R 2016A&A...588A..14T 2016A&A...591A.136L 2016ApJ...819...11V 2016ApJ...824L...4K 2015A&A...577A..78P 2015AJ....149..171T 2015ApJ...805...31L 2015ApJ...815L..13R 2015ApJS..218...10V 2014ApJ...786..104U 2013ApJ...766..108M 2012ApJ...744....2A 2012ApJ...746L..22K 2012ApJ...754...45I 2012ApJS..199...26H 2012MNRAS.426.1750M 2011A&A...535A..93P 2011MNRAS.416.2840L 2010ApJ...713..524L 2010ApJ...716L.125K 2010MNRAS.402.1081V 2009A&A...494..417R 2009AJ....138.1938C 2009ApJ...690.1322W 2009ApJ...701.1644W 2009PASP..121..559A 2008A&A...477..747B 2008ApJ...674..686W 2008ApJ...681..113T 2007ApJ...669L...9D 2006A&A...455...11M 2006AJ....132..197W 2005ApJ...621..139C 2004AJ....127.3235S 2004ApJ...606..271G 2004ApJS..152...63G 2003A&A...405....5B 2003A&A...412...45P 2003A&A...412...57P 2003AJ....126.1607S 2000MNRAS.317...55S 1999ApJS..121..287H 1999ApJS..125..409C 1999PASP..111..438F 1998A&AS..128..299P 1997ApJS..112..245N 1995A&A...303..361H 1995ApJS...98..219Y 1993A&AS..101..207V 1990ApJ...357..388L 1989A&A...225...27V 1989ApJS...70..699Y 1989MNRAS.237..673N 1989MNRAS.238..523R 1987A&AS...69..487W 1986AJ.....92.1291S 1986ApJ...304..443Y 1986ApJ...305L..45S 1985A&A...148...43I 1985Ap&SS.113..391S 1984A&A...141L...1H 1983AJ.....88.1736I 1975AJ.....80..771S 1970AJ.....75..523H Measures (herschel:5 velocities:8 ): herschel:5velocities:8 Notes (1) : (S) 17-May-2011 - bc ref:~ obj:NGC 6921 Winter et al. (2009ApJ...701.1644W) associate the BAT source Swift J2028.5+2543 with two AGNs, that one and \object{MCG +04-48-002}. ================================================================================