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Spatially resolved broad-line region in a quasar at z = 4

We present the first near-infrared interferometric data of a QSO at z = 4. The K-band observations were performed with GRAVITY+ on the VLTI using all four UTs, detecting a differential phase signal that traces the spatially resolved kinematics for both the Hβ and Hγ lines in the broad-line region (B...

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Váldodahkkit: Abd El Dayem K., Aimar N., Berdeu A., Berger J.-P., Bourdarot G., Bourget P., Brandner W., Cao Y., Correia C., Cuevas Cardona S., Davies R., Defrère D., Drescher A., Eckart A., Eisenhauer F., Fabricius M., Farah A., Feuchtgruber H., Förster Schreiber N. M., Foschi A., Garcia P., Garcia Lopez R., Genzel R., Gillessen S., Gomes T., Gonté F., Gopinath V., Graf J., Hartl M., Haubois X., Haußmann F., Ho L. C., Hönig S., Houllé M., Joharle S., Keiman C., Kervella P., Kolb J., Kreidberg L., Labdon A., Lacour S., Lai O., Lai S., Laugier R., Le Bouquin J.-B., Leftley J., Li R., Lopez B., Lutz D., Mang F., Mérand A., Millour F., Montargès M., More N., Morujão N., Nowacki H., Nowak M., Oberti S., Onken C., Osorno J., Ott T., Paumard T., Perraut K., Perrin G., Petrov R., Petrucci P.-O., Pourré N., Rabien S., Rau C., Ribeiro D. C., Robbe-Dubois S., Sadun Bordoni M., Salman M., Sanchez-Bermudez J., Santos D., Sauter J., Scialpi M., Scigliuto J., Shangguan J., Shchekaturov P., Shimizu T., Soulez F., Straubmeier C., Sturm E., Subroweit M., Sykes C., Tacconi L. J., Übler H., Ulbricht G., Vincent F., Webster R., Wieprecht E., Woillez J., Wolf C.
Materiálatiipa: Artigo
Giella:Inglês
Almmustuhtton: EDP Sciences 2026-02-01
Ráidu:Astronomy & Astrophysics
Fáttát:
galaxies: active
quasars: emission lines
quasars: supermassive black holes
infrared: galaxies
quasars: individual: smss j052915.80-435152.0
Liŋkkat:https://www.aanda.org/articles/aa/full_html/2026/02/aa57285-25/aa57285-25.html
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