C.D.S. - SIMBAD4 rel 1.8 - 2024.04.20CEST04:01:57 4C 21.35 -------- Object ICRF J122454.4+212246 --- Sy1 --- OID=@1932212 (@@39548,9) --- coobox=13840 Coordinates(ICRS,ep=J2000,eq=2000): 12 24 54.4583146056 +21 22 46.385507388 (Opt ) A [0.0283 0.0260 90] 2020yCat.1350....0G Coordinates(FK4,ep=B1950,eq=1950): 12 22 23.4144239478 +21 39 23.145362944 Coordinates(Gal,ep=J2000,eq=2000): 255.0734128271474 +81.6597869214586 hierarchy counts: #parents=0, #children=0, #siblings=0 Proper motions: 0.086 0.221 [0.033 0.032 90] A 2020yCat.1350....0G Parallax: ~ [~] ~ ~ Radial Velocity: 103250 [150] C 2022ApJS..261....2K Redshift: 0.43201512 [0.0005] C 2022ApJS..261....2K cz: 129514.8747 [150] C 2022ApJS..261....2K Flux B : 17.56 [~] D 2010A&A...518A..10V Flux V : 17.50 [~] D 2010A&A...518A..10V Flux G : 14.953235 [0.023933] C 2020yCat.1350....0G Flux R : 18.2 [~] E 2009A&A...495..691M Flux J : 14.924 [0.036] C 2010AJ....139.2360S Flux H : 13.998 [0.039] C 2010AJ....139.2360S Flux K : 13.071 [0.027] C 2010AJ....139.2360S Flux u : 16.039 [0.005] B 2020ApJS..249....3A Flux g : 15.882 [0.003] B 2020ApJS..249....3A Flux r : 16.074 [0.004] B 2020ApJS..249....3A Flux i : 16.060 [0.004] B 2020ApJS..249....3A Flux z : 15.850 [0.006] B 2020ApJS..249....3A Spectral type: ~ ~ ~ Morphological type: E D ~ Angular size: ~ ~ ~ (~) ~ ~ Identifiers (85): VLSSr J122454.8+212248 7C 122223.5+213929 GLEAM J122454+212244 TGSSADR J122454.6+212247 RGB J1224+213 Cul 1222+216 PCCS2 143 G255.03+81.66 IERS B1222+216 Gaia DR3 3952378340577139456 KODIAQ J122454+212246 TIC 135140682 2EG J1224+2155 2MASSI J1224544+212246 3EG J1224+2118 4C 21.35 BWE 1222+2139 GB6 B1222+2139 GRO J1222+22 INTREF 493 IVS B1222+216 JVAS J1224+2122 JVAS B1222+216 LEDA 2819691 MITG J122455+2122 NVSS J122454+212247 OHIO N 238 PKS 1222+21 PKS J1224+2122 PKS 1222+216 QSO J1224+21 QSO B1222+216 QSO B1222+2139 S3 1222+21 TXS 1222+216 Gaia DR1 3952378336281545344 VCS1 J1224+2122 VSOP J1224+2122 WB 1222+2139 [HB93] 1222+216 [S77] 204 SWIFT J1224.9+2118 EGR J1225+2115 [GW2008] CoNFIG 134 1RXS J122454.9+212252 87GB 122224.2+213918 FIRST J122454.4+212246 RGB J1224.9+2122 RX J1224.9+2122 [VV2000] J122454.5+212246 [VV2003] J122454.5+212246 [VV2006] J122454.5+212246 [VV96] J122454.7+212247 [VV98] J122454.7+212247 [ZEH2003] RX J1224.9+2122 1 SDSS J122454.46+212246.3 2MASS J12245446+2122463 [MGL2009] BZQ J1224+2122 PBC J1224.8+2122 1FGL J1224.7+2121 [VV2010] J122454.5+212245 2FGL J1224.9+2122 1FHL J1224.8+2122 WISE J122454.46+212246.4 [MML2015] 5BZQ J1224+2122 [SRC2012b] J1224+2122 CLASS J122454.4598+212246.438 LAMOST J122454.46+212246.4 3FGL J1224.9+2122 CRATES J122455+212245 NRAO 1222+21 SWIFT J1224.9+2122 PG 1222+217 SDSS J122454.46+212246.4 2FHL J1224.7+2124 TeV J1224+213 SWIFT J1224.8+2119 Gaia DR2 3952378340577139456 ICRF J122454.4+212246 SDSS J122454.45+212246.3 3FHL J1224.9+2122 1FLE J1224+2118 9Y-MST J1224+2123 LAMOST J122454.46+212246.3 WISEA J122454.46+212246.4 4FGL J1224.9+2122 Bibcodes 1850-2024 () (703): 2024ApJ...960...55Z 2024ApJ...961...38R 2024ApJ...962...22Z 2024ApJ...962..140H 2024ApJ...964...78K 2024ApJS..270...22W 2023A&A...669A..92R 2023A&A...671A.161A 2023A&A...672A..86R 2023ApJ...944..103Z 2023ApJ...946L..51S 2023ApJ...949...39G 2023ApJ...949...52O 2023ApJ...952..152D 2023ApJS..265....8R 2023ApJS..268....6C 2023ApJS..268...23F 2023MNRAS.518.1459P 2023MNRAS.518.3222B 2023MNRAS.518.5788O 2023MNRAS.519.5263Z 2023MNRAS.523.3615Z 2023MNRAS.523.4504O 2023MNRAS.524..133M 2023MNRAS.524.3913P 2023MNRAS.525..642Z 2023MNRAS.525.3201K 2023RAA....23k5009Z 2023RAA....23l5019Z 2023Sci...380.1338I 2022A&A...658A.164P 2022A&A...660A...1B 2022A&A...668A.152P 2022ApJ...924...15J 2022ApJ...924...86Q 2022ApJ...924...95A 2022ApJ...925...40X 2022ApJ...925...97P 2022ApJ...926..180H 2022ApJ...930..157Z 2022ApJ...934....3Z 2022ApJ...936..147B 2022ApJ...938...38A 2022ApJ...939...76E 2022ApJ...940...77M 2022ApJS..260...12W 2022ApJS..260...33S 2022ApJS..260...48G 2022ApJS..260...53A 2022ApJS..261....2K 2022ApJS..262...18Y 2022ApJS..263...24A 2022MNRAS.509.4585M 2022MNRAS.510..469K 2022MNRAS.510.1118Z 2022MNRAS.510.1809P 2022MNRAS.510.4063S 2022MNRAS.511..994M 2022MNRAS.511.5611O 2022MNRAS.515.1358H 2022MNRAS.515.4505M 2022MNRAS.516..216C 2022PASP..134f4101Z 2022PASP..134j4101W 2022RAA....22h5002Y 2022Sci...378..538I 2021A&A...645A..18D 2021A&A...648A..23H 2021A&A...651A..64L 2021A&A...654A.169L 2021A&A...655A..17S 2021AJ....161...45O 2021AJ....161..196P 2021AJ....162...21B 2021ApJ...913...93C 2021ApJ...913..120Z 2021ApJ...915...59Z 2021ApJ...916...28T 2021ApJ...919...62R 2021ApJ...920L..45A 2021ApJ...922...21S 2021ApJ...923...30L 2021ApJ...923...44S 2021ApJ...923...67H 2021ApJS..253...46P 2021MNRAS.500.1127B 2021MNRAS.500.5297A 2021MNRAS.501.3715B 2021MNRAS.501.4110O 2021MNRAS.501.5811K 2021MNRAS.503.4372A 2021MNRAS.504.1103R 2021MNRAS.505.1413P 2021MNRAS.505.3635M 2021MNRAS.505.5853G 2021MNRAS.506..963B 2021MNRAS.507.5690G 2021MNRAS.508.1446D 2021MNRAS.508.1986C 2021MNRAS.508.4532M 2020A&A...633A.162H 2020A&A...637A..55L 2020A&A...637A..86M 2020A&A...641A.162P 2020A&A...644A.159C 2020ATel13398....1H 2020ApJ...891..120B 2020ApJ...892..105A 2020ApJ...894..142Q 2020ApJ...896..172T 2020ApJ...898..166J 2020ApJ...904...67G 2020ApJ...905..160B 2020ApJS..247...15S 2020ApJS..247...33A 2020ApJS..248...27T 2020ApJS..249...17R 2020ApJS..250....8L 2020MNRAS.492..742A 2020MNRAS.492.3829L 2020MNRAS.493.1553G 2020MNRAS.493.2229C 2020MNRAS.493L..54K 2020MNRAS.495..981S 2020MNRAS.495.3463G 2020MNRAS.496..245Z 2020MNRAS.497.1294T 2020MNRAS.498..799M 2020MNRAS.498..883G 2020PASJ...72...44Z 2020PASP..132k4102P 2019A&A...622A..92N 2019A&A...623A...2A 2019A&A...626A..60A 2019A&A...630A.101K 2019A&A...631A.116G 2019AN....340..437A 2019ApJ...870...28F 2019ApJ...871...35Z 2019ApJ...872...81W 2019ApJ...874...43L 2019ApJ...877...39M 2019ApJ...880...29L 2019ApJ...880...32L 2019ApJ...881..154P 2019ApJ...887....5L 2019ApJS..242....4D 2019ApJS..242....5X 2019ApJS..245....3G 2019MNRAS.482..743R 2019MNRAS.483.3036O 2019MNRAS.484.3180P 2019MNRAS.486.2412L 2019MNRAS.486.4233A 2019MNRAS.490..124M 2018A&A...609A.122B 2018A&A...613A..51P 2018A&A...614A...6S 2018A&A...616A..20A 2018A&A...616A..63A 2018A&A...616A..93L 2018A&A...618A..22P 2018A&A...619A..23C 2018A&A...619A..45M 2018AJ....155..189D 2018ApJ...853...19B 2018ApJ...853..159L 2018ApJ...854L..26S 2018ApJ...855...18P 2018ApJ...861...97F 2018ApJ...862..151H 2018ApJ...863...98P 2018ApJ...866...33L 2018ApJ...866..102P 2018ApJ...866..137L 2018ApJ...868...87B 2018ApJS..234...12L 2018ApJS..235....4O 2018ApJS..235...11C 2018ApJS..235...39C 2018ApJS..237...11K 2018ApJS..237...32A 2018MNRAS.473.3638G 2018MNRAS.474.1427A 2018MNRAS.476.4965M 2018MNRAS.477.4749C 2018MNRAS.478.4068L 2018MNRAS.479.5423M 2018MNRAS.480..407K 2018MNRAS.480.5517L 2018MNRAS.481.5046R 2018RAA....18...56K 2018RAA....18..120L 2018RAA....18..141S 2017A&A...601A..30C 2017A&A...603A..34F 2017A&A...608A..37Z 2017ApJ...835..182D 2017ApJ...835L..38F 2017ApJ...841..113M 2017ApJ...843L..23V 2017ApJ...846...98J 2017ApJ...850...74K 2017ApJS..228....1Z 2017ApJS..228...22L 2017ApJS..232...18A 2017ApJS..233...17R 2017MNRAS.464..152A 2017MNRAS.464.2046K 2017MNRAS.465.4772R 2017MNRAS.467.2896K 2017MNRAS.467.3172G 2017MNRAS.467.4565L 2017MNRAS.467L..16P 2017MNRAS.468.4902P 2017MNRAS.468.4992P 2017MNRAS.470.3283S 2017MNRAS.472..334L 2017MNRAS.472..788G 2017RAA....17...66L 2016A&A...587A..93R 2016A&A...589A..96H 2016A&A...592A..22H 2016A&A...595A...5M 2016A&A...595A..98A 2016A&A...596A..45F 2016A&A...596A.106P 2016A&ARv..24....2M 2016AJ....151...24A 2016AJ....151..142A 2016AJ....152...12L 2016ARA&A..54..725M 2016ARep...60..313B 2016ARep...60..621V 2016ApJ...816...27S 2016ApJ...817...61P 2016ApJ...817..111D 2016ApJ...818..111K 2016ApJ...819..149A 2016ApJ...820....8S 2016ApJ...821..102B 2016ApJ...824L..20A 2016ApJ...825L..11P 2016ApJ...827..106A 2016ApJ...828...13I 2016ApJ...828...92Y 2016ApJ...830...94F 2016ApJS..222....5A 2016ApJS..223...15B 2016ApJS..224...26M 2016ApJS..226...20F 2016ApJS..227....8L 2016MNRAS.455L...1W 2016MNRAS.456..171R 2016MNRAS.457.1753E 2016MNRAS.457.2433P 2016MNRAS.458...56W 2016MNRAS.459..140M 2016MNRAS.460...19M 2016MNRAS.462.4267J 2016MNRAS.463.3365A 2016MNRAS.463.4121T 2016MNRAS.463L..26B 2016NewA...46....9D 2016RAA....16...13C 2016RAA....16..173F 2015A&A...575A..42G 2015A&A...578A..92V 2015AJ....149..191L 2015AJ....149..203K 2015AJ....150...58F 2015ATel.8444....1C 2015Ap&SS.357...75M 2015ApJ...798..124R 2015ApJ...798..134H 2015ApJ...799..207H 2015ApJ...799L..18T 2015ApJ...802..113K 2015ApJ...804....7I 2015ApJ...807...46A 2015ApJ...809...85F 2015ApJ...809..164D 2015ApJ...809..171S 2015ApJ...809..174D 2015ApJ...810...14A 2015ApJ...810L...9L 2015ApJ...812...60B 2015ApJ...812...61H 2015ApJ...812L..40G 2015ApJ...815L..22A 2015ApJS..217....2M 2015ApJS..218...23A 2015MNRAS.446.2456D 2015MNRAS.447.2726N 2015MNRAS.448.1060G 2015MNRAS.448.2260G 2015MNRAS.449.2901K 2015MNRAS.450.2658M 2015MNRAS.450.3975D 2015MNRAS.451.2434L 2015MNRAS.451.2750X 2015MNRAS.451.4193C 2015MNRAS.452.1280R 2015MNRAS.452.3159A 2015MNRAS.452.3457G 2015NewA...34..134L 2015PASJ...67...79L 2015RAA....15.2173Y 2014A&A...565A..26S 2014A&A...567A..41A 2014A&A...567A.113B 2014A&A...567A.135A 2014A&A...569A..46A 2014AJ....147..143H 2014ATel.5921....1L 2014ATel.5981....1H 2014ATel.6194....1C 2014ATel.6207....1B 2014ATel.6733....1V 2014ApJ...780...87M 2014ApJ...781...19B 2014ApJ...782...82D 2014ApJ...783...83L 2014ApJ...784..118B 2014ApJ...784..159G 2014ApJ...785..132J 2014ApJ...786..157A 2014ApJ...788..165H 2014ApJ...789..135W 2014ApJ...789..161N 2014ApJ...790...45P 2014ApJ...791...21F 2014ApJ...793...36L 2014ApJ...794....8S 2014ApJ...796...61K 2014ApJ...797..137C 2014ApJS..212...15F 2014ApJS..215...14D 2014MNRAS.438.3058R 2014MNRAS.439..690H 2014MNRAS.441.1899F 2014MNRAS.441.2200P 2014MNRAS.441.2309P 2014MNRAS.441.3375X 2014MNRAS.441.3591H 2014MNRAS.442..131K 2014MNRAS.442.3166Z 2014MNRAS.442.3329X 2014MNRAS.443.3001Z 2014MNRAS.445..428M 2014Natur.510..126Z 2014Natur.515..376G 2014PASJ...66..117W 2014RAA....14.1135F 2013A&A...552A.118H 2013A&A...554A..75S 2013A&A...554A.107H 2013A&A...555A.138F 2013A&A...557A..48P 2013AJ....146..120L 2013ApJ...762...92A 2013ApJ...763...64B 2013ApJ...764...57D 2013ApJ...764..119S 2013ApJ...765...54A 2013ApJ...766L..11S 2013ApJ...767..103V 2013ApJ...768...37C 2013ApJ...768..132B 2013ApJ...768..197I 2013ApJ...768L..31F 2013ApJ...773..177N 2013ApJ...776...68K 2013ApJ...776...69A 2013ApJ...777..109Z 2013ApJ...777L..18T 2013ApJ...779...68S 2013ApJ...779...92A 2013ApJ...779..161S 2013ApJS..206....4K 2013ApJS..206...12D 2013ApJS..207...19B 2013ApJS..207...28S 2013ApJS..209...34A 2013MNRAS.430.1324N 2013MNRAS.431..355G 2013MNRAS.431..824B 2013MNRAS.432L..66G 2013MNRAS.435L..24T 2012A&A...537A..32A 2012A&A...542A..59M 2012A&A...545A..48R 2012A&A...545A.113P 2012A&A...548A.123B 2012AJ....144..105H 2012ARep...56..931V 2012ATel.4122....1J 2012ApJ...744..177L 2012ApJ...746..151A 2012ApJ...748...49S 2012ApJ...749...21A 2012ApJ...749...63M 2012ApJ...751...52E 2012ApJ...753..106M 2012ApJ...754..114H 2012ApJ...754L..33C 2012ApJ...755..147D 2012ApJ...757...25L 2012ApJ...757..123A 2012ApJ...758...72W 2012ApJ...759..114C 2012ApJ...761..110Z 2012ApJ...761..125F 2012ApJS..199...31N 2012ApJS..203....4A 2012MNRAS.421..390L 2012MNRAS.421.1764S 2012MNRAS.422.3189G 2012MNRAS.424..393F 2012MNRAS.424..789C 2012MNRAS.424.2832L 2012MNRAS.425.2015P 2012MNRAS.425.2519N 2012MmSAI..83..138C 2012MmSAI..83..162T 2012MmSAI..83..186P 2012PASJ...64...80Y 2012RMxAA..48....9T 2012Sci...338.1445N 2011A&A...529A..59N 2011A&A...530A...4A 2011A&A...530A..77F 2011A&A...531A.153M 2011A&A...532A.146L 2011A&A...534A..86T 2011A&A...535A..69N 2011A&A...536A..15P 2011ARep...55..400V 2011ApJ...726...20M 2011ApJ...730...92H 2011ApJ...730L...8A 2011ApJ...732..116M 2011ApJ...733...19T 2011ApJ...738..148M 2011ApJ...740...98M 2011ApJ...741...30A 2011ApJ...742...27L 2011ApJ...743..171A 2011ApJS..194...45S 2011ApJS..197...24M 2011MNRAS.413..852G 2011PASJ...63..639I 2010A&A...510A..48C 2010A&A...511A..53V 2010A&A...512A..24S 2010A&A...518A..10V 2010A&A...520A..47M 2010A&A...520A..62A 2010A&A...524A..64C 2010AJ....139.2360S 2010ATel.2436....1H 2010ATel.2584....1D 2010ATel.2617....1N 2010ATel.2626....1C 2010ATel.2641....1B 2010ATel.2684....1M 2010ATel.2686....1S 2010ATel.2687....1I 2010ATel.2693....1D 2010ATel.2698....1V 2010ATel.2708....1N 2010ApJ...710..764K 2010ApJ...715..429A 2010ApJ...722L...7P 2010ApJS..188..405A 2010MNRAS.406.2578M 2010PASJ...62..211F 2009A&A...494..527H 2009A&A...495..691M 2009A&A...505..385A 2009A&A...507L..33P 2009AJ....137.3718L 2009AJ....138.1874L 2009ATel.2021....1L 2009ATel.2348....1V 2009ATel.2349....1C 2009ApJ...699..603A 2009ApJ...706.1253H 2009ApJS..184..138H 2009MNRAS.396..984G 2009RAA.....9..538F 2009RAA.....9..751F 2008A&A...485...51H 2008A&A...488..867N 2008A&A...488..897H 2008A&A...489..849C 2008AJ....136.1533B 2008ApJ...674..111C 2008ApJS..175..314D 2008ChJAA...8..195D 2008ChJAA...8..385Z 2008MNRAS.385..283C 2008MNRAS.390..819G 2008MmSAI..79.1042A 2008PASJ...60..707F 2008PNAOC...5..337T 2007A&A...462..547F 2007A&A...469..899H 2007ApJ...657..706N 2007ApJ...659..958D 2007ApJ...661..982S 2007ApJ...662..900T 2007ApJ...671.1355T 2007ApJS..171..376C 2007MNRAS.380..162J 2007PNAOC...4...11Y 2006A&A...455..773V 2006AJ....131.1262H 2006AN....327..227J 2006ApJ...646....8F 2005A&A...433..757S 2005A&A...440..409T 2005A&A...441..915H 2005AJ....130.1389L 2005AJ....130.2473K 2005APh....23..598B 2005APh....23..608B 2005ChJAA...5..229Y 2005ChJAA...5..457F 2005PNAOC...2..209X 2004A&A...425..825K 2004A&A...427..769T 2004ApJ...602..103F 2004ApJ...603...28B 2004ApJ...615L...9W 2004ApJ...616..110H 2004ApJS..150..187O 2004MNRAS.353..890V 2003A&A...401..927B 2003A&A...406..535Z 2003A&A...411L..59E 2003A&A...412...45P 2003ApJ...590..109S 2003ApJ...598..216S 2003MNRAS.340..632L 2003NewAR..47..637O 2003PASA...20..196W 2002A&A...394..851S 2002ApJ...568...99H 2002ApJ...577...85M 2002ApJ...579..136T 2002ApJS..141...13B 2002MNRAS.329..700S 2002MmSAI..73...99C 2002PASJ...54..159Z 2002PASJ...54..533F 2001A&A...370..468T 2001AJ....121.2843B 2001AcASn..42..148Y 2001ApJ...549..840H 2001ApJ...556..556B 2001ApJ...556..738J 2001ApJS..134..181J 2001ApJS..135..155M 2001PASJ...53..207Z 2000A&A...353...77T 2000A&A...355...44C 2000A&A...358..841F 2000A&A...363..141R 2000A&AS..143..145S 2000ApJ...537...80C 2000ApJS..129..547B 2000ApJS..131...95F 2000PASJ...52..997H 1999A&A...342..378G 1999A&AS..139..545K 1999AJ....118.1942H 1999APh....11..119B 1999APh....11..169W 1999AcApS..19..151F 1999ApJ...521..493L 1999ApJS..123...79H 1999PASJ...51..579M 1999PPMtO..18..217X 1999bmtm........59H 1998A&A...330L..45H 1998A&A...338...27F 1998A&AS..130..495R 1998A&AS..131...11R 1998A&AS..132...31N 1998A&AS..132..305T 1998AcApS..18...45F 1998ApJ...500..673T 1998ExA.....8..187K 1998MNRAS.299..433F 1998MNRAS.300..790W 1998MNRAS.301..451G 1998PABei..16..117S 1997A&A...319..413B 1997A&A...325...19C 1997A&A...326...51P 1997AJ....114..544P 1997AcApS..17...13Q 1997ApJ...476..261N 1997ApJ...479..684P 1997ApJ...480..534C 1997ApJ...481...95M 1997ApJ...483..161V 1997ApJ...484..118B 1997ApJ...484L..47Z 1997ApJ...490..116M 1997ApJ...491..483G 1997ChA&A..21...24L 1997MNRAS.286..415C 1996A&A...316L..13G 1996A&AS..116..409F 1996A&AS..120C.507B 1996A&AS..120C.515C 1996A&AS..120C.519V 1996AJ....111..645F 1996AcApS..16..341L 1996ApJ...461..600G 1996ApJ...464..600S 1996ApJ...464..628S 1996ApJ...469..572C 1996ApJ...470..831M 1996ApJ...473..763M 1995A&AS..109..147B 1995AcASn..36..147H 1995ApJ...440..525V 1995ApJ...447..103D 1995ApJ...452..588K 1995ApJS..101..259T 1995AuJPh..48..143S 1994ApJ...427..125L 1994ApJ...430..467V 1993AJ....105.1658S 1993ApJ...407...65G 1993ApJ...413..453N 1993ApJS...86..365P 1993ApJS...87..451H 1992A&A...261....5H 1992A&A...261...18H 1992A&A...261...25H 1991ApJ...379...80K 1991BAAS...23.1426S 1991PCMP3.R....270X 1990A&A...239...33A 1990AJ.....99.1715H 1990ApJS...74..675B 1989Ap&SS.155...19T 1989ApJS...69....1H 1988Ap&SS.141..303B 1988ApJ...329..122H 1988ApJS...66..361H 1988IAUS..129..133H 1988MNRAS.233...87S 1987Ap&SS.134...35Y 1987ApJ...316..584S 1987ApJ...320..122H 1987ApJ...323..108O 1987MNRAS.224..379S 1986AJ.....91.1011R 1986ApJS...61..305G 1985AJ.....90.1599P 1984A&A...140..399B 1984AJ.....89.1275E 1984ARA&A..22..319B 1984ApJ...279...19W 1984ApJS...55..533H 1984MNRAS.208..231S 1984MNRAS.209..525S 1983AJ.....88..709H 1981A&A....98..300T 1981ApJS...45...97S 1979AJ.....84..707P 1979PASJ...31..125S 1978A&AS...34..129M 1977A&AS...27..205S 1977AJ.....82...21B 1976AJ.....81..574P 1976AJ.....81.1031W 1975AJ.....80....1K 1975MmSAI..46..461B 1974AJ.....79..846A 1974AJ.....79.1006J 1974AJ.....79.1220C 1974ApJ...194..249W 1973A&A....28..319V 1973PASP...85..162A 1972AJ.....77..797P 1972ApJ...177..303C 1972ApJ...178...25S 1971ApJ...164..237M 1971MNRAS.152..477M 1971PASP...83..611D 1970AJ.....75..764O 1968AJ.....73..298K 1968AJ.....73..953P 1967AJ.....72..738O 1967AJ.....72..757D 1967MNRAS.135..361S 1966MNRAS.134..371L Measures (PM:2 velocities:17 ): PM:2velocities:17 Notes (2) : (S) 03-Nov-2015 - bc ref:~ obj:GB6 B1222+2139 See also \vizier{VIII/85A/spectra}{Seq= 50671 }{Specfind radio flux densities}. (S) 16-Jun-2016 - cl ref:~ obj:4C 21.35 Erroneously named PG 1222+216 in various references ================================================================================