Information on particles and fields from parsec and sub-parsec scale jets by Bicknell, G, Wagner, S, Groves, B

“…With particular reference to the BL Lac object, Markarian 501, we emphasize the importance of X-ray and gamma-ray observations for elucidating the parameters of parsec scale and sub-parsec.scale jets. In particular the magnetic field, particle energy density and Doppler factor can be inferred from simultaneous observations. …”

The magnetic field in the central parsec by Glasse, A, Aitken, D, Roche, P

The magnetic field in the central parsec of the Galaxy by Roche, P, Lopes-Rodriguez, E, Telesco, C, Schoedel, R, Packham, C

“…We present a polarisation map of the warm dust emission from the minispiral in the central parsec of the Galactic centre. The observations were made at a wavelength of 12.5 μm with CanariCam mounted on the 10.4-m Gran Telescopio Canarias. …”

An Updated Reference Frame for the Galactic Inner Parsec by Jeremy Darling, Jennie Paine, Mark J. Reid, Karl M. Menten, Shoko Sakai, Andrea Ghez

“…Infrared observations of stellar orbits about Sgr A* probe the mass distribution in the inner parsec of the Galaxy and provide definitive evidence for the existence of a massive black hole. …”
Get full text

Parsec-scale radio morphology in Seyfert galaxies by Lal, D, Shastri, P, Gabuzda, D

“…We have observed a sample of Seyfert galaxies with global VLBI in order to test the predictions of the Unified Scheme for Seyferts, which hypothesises that Seyferts of type 1 and of type 2 differ only in the orientation of the axisymmetric active nucleus with respect to the observer. In this case, the parsec-scale radio structures of the two types should be similar. …”

Galactic star formation in parsec-scale resolution simulations by Powell, L, Bournaud, F, Chapon, D, Devriendt, J, Slyz, A, Teyssier, R

“…We investigate how star formation (SF) proceeds in simulated galaxies when we obtain parsec-scale resolution and more successfully capture the multiphase ISM. …”

The dark mass concentration in the central parsec of the Milky Way by Genzel, R, Thatte, N, Krabbe, A, Kroker, H, TacconiGarman, L

“…We report ∼1″ resolution K-band (2 μm) imaging spectroscopy of the central parsec of our Galaxy. The derived radial velocities for 223 early- and late-type stars probe the nuclear mass distribution to spatial scales of 0.1 pc. …”

The parsec-scale central components of FRI radio galaxies by Kharb, P, Shastri, P

Galactic star formation in parsec-scale resolution simulations by Powell, L, Bournaud, F, Chapon, D, Devriendt, J, Slyz, A, Teyssier, R

“…We investigate how star formation (SF) proceeds in simulated galaxies when we obtain parsec-scale resolution and more successfully capture the multiphase ISM. …”

Evolution of Magnetic Field of the Quasar 1604+159 at parsec Scale by Xu-Zhi Hu, Xiaoyu Hong, Wei Zhao, Liang Chen, Wei-Yang Wang, Linhui Wu

“…We have analyzed the total intensity, spectral index, linear polarization, and rotation measure (RM) distributions at the parsec scale for the quasar 1604+159. The source was observed at 5.0, 8.4, and 15.4 GHz in 2002 and 4.6, 5.1, 6.0, 7.8, 12.2, 15.2, and 43.9 GHz in 2020 with the American Very Long Baseline Array (VLBA). …”
Get full text

High resolution imaging of the magnetic field in the central parsec of the Galaxy by Roche, P, Lopez Rodriguez, E, Telesco, C, Schodel, R, Packham, C

Shocks, plasma instabilities and undisturbed flows in parsec-scale jets by Lobanov, A, Roland, J

“…We summarize recent, in-depth studies of the jets in 3C 273 and 3C 345 and show that interpretation of these result calls for a new paradigm for the parsec-scale jets. Contrary to the commonly accepted views, the observed properties of the jets in these objects indicate that extragalactic jets remain relatively undisturbed on scales of similar to1-10 parsec. …”

Optimizing NACA2414 airfoil aerodynamics with PARSEC parametrization and Genetic Algorithm by Krishnan Anupam, Al-Obaidi Abdulkareem Sh. Mahdi, Ching Hao Lee

“…The study explores the airfoil’s performance across a range of -10 to 15 degrees angle of attack. It employs both PARSEC parametrization and Genetic Algorithm optimization, achieving significant advancements. …”
Get full text

MULTICOLOR, 8-13-MU-M MAPS OF THE CENTRAL PARSEC OF THE GALAXY by Smith, C, Aitken, D, Roche, P

Inflation of 430-parsec bipolar radio bubbles in the Galactic Centre by an energetic event by Heywood, I, Camilo, F, Cotton, WD, Yusef-Zadeh, F, Abbott, TD, RM Adam, MA Aldera, EF Bauermeister, RS Booth, AG Botha, DH Botha, LRS Brederode, ZB Brits, SJ Buchner, JP Burger, JM Chalmers, T Cheetham, D de Villiers, MA Dikgale-Mahlakoana, LJ du Toit, SWP Esterhuyse, BL Fanaroff, AR Foley, DJ Fourie, RRG Gamatham, S Goedhart, S Gounden, MJ Hlakola, CJ Hoek, A Hokwana, DM Horn, JMG Horrell, B Hugo, AR Isaacson, JL Jonas, JDBL Jordaan, AF Joubert, GIG Józsa, RPM Julie, FB Kapp, JS Kenyon, PPA Kotzé, H Kriel, TW Kusel, R Lehmensiek, D Liebenberg, A Loots, RT Lord, BM Lunsky, PS Macfarlane

“…Here we report radio imaging that reveals a bipolar bubble structure, with an overall span of 1 degree by 3 degrees (140 parsecs × 430 parsecs), extending above and below the Galactic plane and apparently associated with the Galactic Centre. …”

Unveiling the central parsec region of an AGN: the Circinus nucleus in the near infrared with the VLT by Prieto, M, Meisenheimer, K, Marco, O, Reunanen, J, Contini, M, Clenet, Y, Davies, R, Gratadour, D, Henning, T, Klaas, U, Kotilainen, J, Leinert, C, Lutz, D, Rouan, D, Thatte, N

“…VLT J- to M\p-band adaptive optics observations of the Circinus Galaxy on parsec scales resolve a central bright Ks-band source with a FWHM size of 1.9 $\pm$ 0.6 pc. …”

REPRESENTATION METHOD EFFECTS ON VIBRATIONAL GENETIC ALGORITHM IN 2-D AIRFOIL DESIGN by Y. Volkan Pehlivanoglu

Subjects: Get full text

The Accretion Mode in Sub-Eddington Supermassive Black Holes: Getting into the Central Parsecs of Andromeda by C. Alig, A. Prieto, M. Blaña, M. Frischman, C. Metzl, A. Burkert, O. Zier, A. Streblyanska

“…The evolution of a streamer of gas particles moving under the barred potential of M31 is followed from kiloparsec distance to the central parsecs. After an exploratory study of initial conditions, a compelling fit to the observed dust/ionized gas morphologies and line-of-sight velocities in the inner hundreds of parsecs is produced. …”
Get full text

PROBING THE PARSEC-SCALE ACCRETION FLOW OF 3C 84 WITH MILLIMETER WAVELENGTH POLARIMETRY by Plambeck, R. L., Bower, Geoffrey C., Rao, Ramprasad, Marrone, Daniel P., Jorstad, Svetlana G., Marscher, Alan P., Johnson, Michael D., Doeleman, Sheperd Samuel, Fish, Vincent L.

“…The accretion flow probably is disk-like rather than spherical on scales of less than a parsec, otherwise the RM would be even larger.…”
Get full text

The luminosity function of main-sequence stars within 80 parsecs from Hipparcos data by Murray, C, Penston, M, Binney, J, Houk, N

“…The basic data discussed here consist of parallaxes and apparent magnitudes of more than 6000 stars with delta < -26 degrees from the Hipparcos Catalogue which were selected from the Michigan Spectral Catalogue to have estimated spectroscopic distances within 80 parsecs. The statistical properties of the sample are briefly discussed, and the luminosity function of main sequence stars is determined by the maximum-volume method from nearly 3000 stars with observed parallaxes greater than 12.5 mas.…”