Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Makarov, Dmitry I."'
Autor:
Anand, Gagandeep S., Tully, R. Brent, Cohen, Yotam, Shaya, Edward J., Makarov, Dmitry I., Makarova, Lidia N., Chazov, Maksim I., Blakeslee, John P., Cantiello, Michele, Jensen, Joseph B., Kourkchi, Ehsan, Raimondo, Gabriella
The Virgo Cluster is the nearest substantial cluster of galaxies to the Milky Way and a cornerstone of the extragalactic distance scale. Here, we present JWST/NIRCam observations that simultaneously cover the cores and halos of ten galaxies in and ar
Externí odkaz:
http://arxiv.org/abs/2408.16810
Autor:
Anand, Gagandeep S., Tully, R. Brent, Cohen, Yotam, Makarov, Dmitry I., Makarova, Lidia N., Jensen, Joseph B., Blakeslee, John P., Cantiello, Michele, Kourkchi, Ehsan, Raimondo, Gabriella
Differences between the local value of the Hubble constant measured via the distance ladder versus the value inferred from the cosmic microwave background with the assumption of the standard $\Lambda$CDM model have reached over 5$\sigma$ significance
Externí odkaz:
http://arxiv.org/abs/2405.03743
We present a new method - called HINORA (HIgh-NOise RANdom SAmple Consensus) - for the identification of regular structures in 3D point distributions. Motivated by the possible existence of the so called Council of Giants, i.e. a ring of twelve massi
Externí odkaz:
http://arxiv.org/abs/2403.06187
Autor:
Anand, Gagandeep S., Riess, Adam G., Yuan, Wenlong, Beaton, Rachael, Casertano, Stefano, Li, Siyang, Makarov, Dmitry I., Makarova, Lidia N., Tully, R. Brent, Anderson, Richard I., Breuval, Louise, Dolphin, Andrew, Karachentsev, Igor D., Macri, Lucas M., Scolnic, Daniel
The tip of the red giant branch (TRGB) allows for the measurement of precise and accurate distances to nearby galaxies, based on the brightest ascent of low-mass red giant branch stars before they undergo the helium flash. With the advent of JWST, th
Externí odkaz:
http://arxiv.org/abs/2401.04776
Autor:
Zasov, Anatoly V., Saburova, Anna S., Egorov, Oleg V., Lander, Vsevolod Yu., Makarov, Dmitry I.
We study two M 51-type systems Arp 68 and Arp 58, which strongly differ by their stellar masses, gas content and environment. Long-slit spectral observations obtained at the 6-m telescope BTA were used to trace the distributions of a line-of-sight (L
Externí odkaz:
http://arxiv.org/abs/2207.14214
Autor:
Anand, Gagandeep S., Rizzi, Luca, Tully, R. Brent, Shaya, Edward J., Karachentsev, Igor D., Makarov, Dmitry I., Makarova, Lidia, Wu, Po-Feng, Dolphin, Andrew E., Kourkchi, Ehsan
The Extragalactic Distance Database (EDD) was created as a repository for high quality, redshift-independent distances. A key component of EDD is the Color Magnitude Diagrams/Tip of the Red Giant Branch (CMDs/TRGB) catalog, which provides information
Externí odkaz:
http://arxiv.org/abs/2104.02649
Akademický článek
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Autor:
Anand, Gagandeep S., Tully, R. Brent, Karachentsev, Igor D., Makarov, Dmitry I., Makarova, Lidia, Rizzi, Luca, Shaya, Edward J.
Publikováno v:
The Astrophysical Journal Letters, 861:L6 (5pp), 2018 July 1
If the extremely low surface brightness galaxy Coma P lies at $5.5\pm0.3$ Mpc as recently proposed then it would have an extraordinarily deviant peculiar velocity of $\sim900$ km $\mathrm{s^{-1}}$ at a location where differential velocities between g
Externí odkaz:
http://arxiv.org/abs/1806.04150
We consider a sample of the Updated Nearby Galaxy Catalog that contains eight hundred objects within 11 Mpc. Environment of each galaxy was characterized by a tidal index $\Theta_1$ depending on the separation and mass of the galaxy's Main Disturber
Externí odkaz:
http://arxiv.org/abs/1310.6838
Publikováno v:
2013, The Astronomical Journal, 145
We present an all-sky catalog of 869 nearby galaxies, having individual distance estimates within 11 Mpc or corrected radial velocities V_{LG} < 600 km/s. The catalog is a renewed and expanded version of the "Catalog of Neighboring Galaxies" by Karac
Externí odkaz:
http://arxiv.org/abs/1303.5328