Works matching DE "SLOAN Digital Sky Survey"

Results: 252

RELIABILITY OF BLACK HOLE MASS ESTIMATION FROM BROAD EMISSION LINES IN SPECTRA OF THE TYPE 1 ACTIVE GALACTIC NUCLEI.

Published in:

Serbian Astronomical Journal, 2025, n. 210, p. 1, doi. 10.2298/SAJ2510001M

By:

Marčeta-Mandić, Sladjana

Publication type:

Article

Unsupervised classification: a necessary step for Deep Learning?

Published in:

Proceedings of the International Astronomical Union, 2023, v. 19, n. S368, p. 63, doi. 10.1017/S1743921323000728

By:

Fraix-Burnet, Didier

Publication type:

Article

Galaxies on Sub-Galactic Scales.

Published in:

Publications of the Astronomical Society of Australia, 2012, v. 29, n. 4, p. 383, doi. 10.1071/AS11023

By:

Jerjen, Helmut

Publication type:

Article

Classification of Flat Spectrum Radio Quasars by Optical Activity Types.

Published in:

Astrophysics, 2024, v. 67, n. 1, p. 1, doi. 10.1007/s10511-024-09811-8

By:

Mickaelian, A. M.;
Abrahamyan, H. V.;
Paronyan, G. M.;
Mikayelyan, G. A.;
Sukiasyan, A. G.;
Mkrtchyan, V. K.

Publication type:

Article

The Revisited BPT Diagram from the Self-Consistent Analysis.

Published in:

Astrophysics, 2023, v. 66, n. 3, p. 311, doi. 10.1007/s10511-023-09793-z

By:

Privatus, P.;
Pappalardo, C.;
Rao, P. V. K.;
Mazengo, D. T.

Publication type:

Article

Environmental Dependence of Different Colors of Active Galactic Nucleus (AGN) Host Galaxies.

Published in:

Astrophysics, 2023, v. 66, n. 2, p. 173, doi. 10.1007/s10511-023-09790-2

By:

Deng, Xin-Fa;
Wu, Zhi-Yong

Publication type:

Article

Environmental Dependence of All the Five Band Luminosities of Active Galactic Nucleus (AGN) Host Galaxies.

Published in:

Astrophysics, 2021, v. 64, n. 4, p. 446, doi. 10.1007/s10511-021-09706-y

By:

Xin, Yong;
Deng, Xin-Fa

Publication type:

Article

Investigation of the Environmental Dependence of Galaxy Age in the CMASS Galaxy Sample of SDSS DR12.

Published in:

Astrophysics, 2021, v. 64, n. 2, p. 150, doi. 10.1007/s10511-021-09676-1

By:

Deng, Xin-FA

Publication type:

Article

Surface Photometry of Dwarf Irregular Galaxies in Different Environments.

Published in:

Astrophysics, 2019, v. 62, n. 1, p. 9, doi. 10.1007/s10511-019-09559-6

By:

Sharina, M. E.

Publication type:

Article

u - r Color Dependence of Galaxy Clustering in the Main Galaxy Sample of SDSS DR10.

Published in:

Astrophysics, 2015, v. 58, n. 1, p. 21, doi. 10.1007/s10511-015-9363-z

By:

Zhang, Fuyang;
Deng, Xin-Fa

Publication type:

Article

Environmental Dependence of Five Photometric Band Structural Parameters of Main Galaxies.

Published in:

Astrophysics, 2014, v. 57, n. 2, p. 197, doi. 10.1007/s10511-014-9325-x

By:

Deng, Xin-Fa;
Yu, Guisheng

Publication type:

Article

On the Nature of Unconfirmed Supernovae.

Published in:

Astrophysics, 2013, v. 56, n. 2, p. 153, doi. 10.1007/s10511-013-9275-8

By:

Aramyan, L.;
Petrosian, A.;
Hakobyan, A.;
Mamon, G.;
Kunth, D.;
Turatto, M.;
Adibekyan, V.;
Nazaryan, T.

Publication type:

Article

Investigation of the correlation between morphology and luminosity for two classes of main galaxies.

Published in:

Astrophysics, 2012, v. 55, n. 1, p. 45, doi. 10.1007/s10511-012-9213-1

By:

Deng, Xin-Fa;
Qian, Xiao-Xia;
Luo, Cheng-Hong;
Wu, Ping

Publication type:

Article

Star Galaxy Quasar Classification using Machine Learning.

Published in:

Grenze International Journal of Engineering & Technology (GIJET), 2024, v. 10, n. 2, Part 2, p. 1001

By:

Shinkar, Ninad;
Shimpi, Anurag;
Waghmare, Shubham;
Sontakke, Varhsa;
Bhoite, Sachin

Publication type:

Article

The quasars' redshift estimation method based on piecewise Gaussian fitting.

Published in:

International Journal of Distributed Sensor Networks, 2019, v. 15, n. 5, p. N.PAG, doi. 10.1177/1550147719847128

By:

Su, Yanrui;
Zhang, Li;
Jiang, Bin;
Liu, Jiaqi;
Yan, Fabao

Publication type:

Article

GUASOM: GAIA UTILITY FOR ANALYSIS AND KNOWLEDGE DISCOVERY BASED ON SELF ORGANIZING MAPS.

Published in:

EAS Publications Series, 2014, v. 67/68, p. 373, doi. 10.1051/eas/1567073

By:

Fustes, D.;
Manteiga, M.;
Dafonte, C.;
Arcay, B.;
Alvarez, M. A.;
Garabato, D.

Publication type:

Article

THE ABUNDANCES OF α- ELEMENTS IN THE OPEN CLUSTER NGC 6791 FROM APOGEE DATA.

Published in:

EAS Publications Series, 2014, v. 67/68, p. 365, doi. 10.1051/eas/1567069

By:

Cunha, K.;
Smith, V. V.

Publication type:

Article

NEARBY LOW-MASS HYPERVELOCITY STARS.

Published in:

EAS Publications Series, 2014, v. 67/68, p. 255, doi. 10.1051/eas/1567046

By:

Zhang, Y. Q.;
Smith, M. C.;
Carlin, J. L.

Publication type:

Article

CONSTRAINTS ON THIN AND THICK DISC FORMATION FROM NEW ANALYSIS OF 2MASS AND SDSS SURVEYS.

Published in:

EAS Publications Series, 2014, v. 67/68, p. 199, doi. 10.1051/eas/1567036

By:

Robin, A. C.;
Reylé, C.;
Amôres, E. B.;
Martins, A. M. M.

Publication type:

Article

BLUE HORIZONTAL BRANCH STARS IN PAN-STARRS.

Published in:

EAS Publications Series, 2014, v. 67/68, p. 183, doi. 10.1051/eas/1567032

By:

Vickers, J. J.;
Huxor, A. P.;
Grebel, E. K.

Publication type:

Article

STUDY OF BLUE COMPACT DWARF GALAXIES AT REDSHIFT 0.2 ~ 0.5 USING SDSS DR7.

Published in:

EAS Publications Series, 2011, v. 48, p. 127, doi. 10.1051/eas/1148028

By:

Chung, J.;
Sung, E.-C.;
Rey, S.-C.;
Kim, S.;
Lee, Y.;
Kyeong, J.

Publication type:

Article

Interactions of galaxies outside clusters and massive groups.

Published in:

Journal of Astrophysics & Astronomy, 2018, v. 39, n. 3, p. 1, doi. 10.1007/s12036-018-9521-x

By:

Yadav, Jaswant K.;
Chen, Xuelei

Publication type:

Article

Stellar Spectral Classification with Locality Preserving Projections and Support Vector Machine.

Published in:

Journal of Astrophysics & Astronomy, 2016, v. 37, n. 2, p. 1, doi. 10.1007/s12036-016-9387-8

By:

Liu Zhong-bao

Publication type:

Article

Stellar Spectral Classification with Minimum Within-Class and Maximum Between-Class Scatter Support Vector Machine.

Published in:

Journal of Astrophysics & Astronomy, 2016, v. 37, n. 2, p. 1, doi. 10.1007/s12036-016-9374-0

By:

Liu Zhong-Bao

Publication type:

Article

Spectral Variability of Quasar SDSS J030639.57 + 000343.1.

Published in:

Journal of Astrophysics & Astronomy, 2014, v. 35, n. 3, p. 477, doi. 10.1007/s12036-014-9257-1

By:

Guo, Hengxiao;
Gu, Minfeng

Publication type:

Article

Measurements of Narrow Mg II Associated Absorption Doublets with Two Observations.

Published in:

Journal of Astrophysics & Astronomy, 2013, v. 34, n. 4, p. 317, doi. 10.1007/s12036-013-9185-5

By:

Chen, Zhi-Fu;
Pan, Cai-Juan;
Li, Guo-Qiang;
Huang, Wei-Rong;
Li, Mu-Sheng

Publication type:

Article

Distribution of Doppler Redshifts of Associated Absorbers of SDSS Quasars.

Published in:

Journal of Astrophysics & Astronomy, 2013, v. 34, n. 4, p. 357, doi. 10.1007/s12036-013-9189-1

By:

Pan, Cai-Juan;
Chen, Zhi-Fu

Publication type:

Article

Large‐scale asymmetry in galaxy spin directions: Analysis of galaxies with spectra in DES, SDSS, and DESI Legacy Survey.

Published in:: Astronomische Nachrichten, 2022, v. 343, n. 6/7, p. 1, doi. 10.1002/asna.20220010
Publication type:: Article

Quasars' physical properties study based on the medium‐band photometric survey.

Published in:

Astronomische Nachrichten, 2022, v. 343, n. 1/2, p. 1, doi. 10.1002/asna.20210092

By:

Kotov, Sergey;
Dodonov, Sergey;
Grokhovskaya, Aleksandra

Publication type:

Article

Large‐scale asymmetry between clockwise and counterclockwise galaxies revisited.

Published in:

Astronomische Nachrichten, 2020, v. 341, n. 3, p. 324, doi. 10.1002/asna.202013745

By:

Shamir, Lior

Publication type:

Article

Near‐infrared photometry of superthin edge‐on galaxies.

Published in:

Astronomische Nachrichten, 2020, v. 341, n. 3, p. 314, doi. 10.1002/asna.202013700

By:

Bizyaev, Dmitry;
Tatarnikov, Andrey;
Shatsky, Nikolai;
Najip, Aurik;
Birlak, Marina;
Voziakova, Olga

Publication type:

Article

Methods for identifying high‐redshift galaxy cluster candidates.

Published in:

Astronomische Nachrichten, 2019, v. 340, n. 7, p. 618, doi. 10.1002/asna.201913665

By:

Pinter, Sandor;
Balázs, Lajos G.;
Bagoly, Zsolt;
Horvath, Istvan;
Rácz, István I.;
Tóth, Viktor L.

Publication type:

Article

K-band luminosity-environment relation in three different galaxy samples of the Sloan Digital Sky Survey III.

Published in:

Astronomische Nachrichten, 2017, v. 338, n. 6, p. 720, doi. 10.1002/asna.201713060

By:

Deng, X.‐F.;
Jiang, P.;
Ding, Y.‐P.;
Wu, P.;
Qi, X.‐P.

Publication type:

Article

The Pristine survey II: A sample of bright stars observed with FEROS.

Published in:

Astronomische Nachrichten, 2017, v. 338, n. 6, p. 686, doi. 10.1002/asna.201713368

By:

Caffau, E.;
Bonifacio, P.;
Starkenburg, E.;
Martin, N.;
Youakim, K.;
Henden, A. A.;
González Hernández, J. I.;
Aguado, D. S.;
Prieto, C. Allende;
Venn, K.;
Jablonka, P.

Publication type:

Article

Investigating the Color Distribution of Young and Old Galaxies Using Observations from SDSS.

Published in:

Iraqi Journal of Science, 2024, v. 65, n. 4, p. 2344, doi. 10.24996/ijs.2024.65.4.46

By:

Qasim, Shahad M.;
Mahdi, Hareth S.

Publication type:

Article

Surface Photometry of NGC 3 Lenticular Galaxy.

Published in:

Iraqi Journal of Science, 2019, v. 60, n. 9, p. 2080, doi. 10.24996/ijs.2019.60.9.23

By:

Al-baqir, Haydar R.;
Ahmed, Abdullah K.;
Gamal, Doaa

Publication type:

Article

Photometric investigations of NGC 2577 and NGC 4310 Lenticular Galaxies.

Published in:

Iraqi Journal of Science, 2018, v. 59, n. 2C, p. 1129, doi. 10.24996/ijs.2018.59.2C.18

By:

Adnan, Zahraa;
Ahmed, Abdullah. K.

Publication type:

Article

The orbital and superhump periods of the dwarf nova SDSS J093249.57+472523.0.

Published in:

Journal of the British Astronomical Association, 2013, v. 123, n. 1, p. 37

By:

Shears, Jeremy;
Brady, Steve;
Dvorak, Shawn;
De Miguel, Enrique;
Morelle, Etienne;
Oksanen, Arto;
Sabo, Richard

Publication type:

Article

The different neighbours around Type-1 and Type-2 active galactic nuclei.

Published in:

Nature Physics, 2014, v. 10, n. 6, p. 417, doi. 10.1038/nphys2951

By:

Villarroel, Beatriz;
Korn, Andreas J.

Publication type:

Article

Optical spectroscopic observations of gamma-ray blazar candidates. IX. Optical archival spectra and further observations from SOAR and OAGH.

Published in:

Astrophysics & Space Science, 2019, v. 364, n. 5, p. N.PAG, doi. 10.1007/s10509-019-3574-4

By:

Peña-Herazo, H. A.;
Massaro, F.;
Chavushyan, V.;
Marchesini, E. J.;
Paggi, A.;
Landoni, M.;
Masetti, N.;
Ricci, F.;
D'Abrusco, R.;
Milisavljevic, D.;
Jiménez-Bailón, E.;
La Franca, F.;
Smith, Howard A.;
Tosti, G.

Publication type:

Article

Markarian galaxies in UV and multiwavelength studies.

Published in:

Astrophysics & Space Science, 2018, v. 363, n. 11, p. 1, doi. 10.1007/s10509-018-3439-2

By:

Mickaelian, A. M.;
Abrahamyan, H. V.;
Gyulzadyan, M. V.;
Paronyan, G. M.;
Mikayelyan, G. A.

Publication type:

Article

Physical association and periodicity in quasar families with SDSS and 2MRS.

Published in:

Astrophysics & Space Science, 2018, v. 363, n. 7, p. 1, doi. 10.1007/s10509-018-3355-5

By:

Fulton, C. C.;
Arp, H. C.;
Hartnett, J. G.

Publication type:

Article

Milgromian dynamics and dwarf galaxies in galactic voids.

Published in:

Astrophysics & Space Science, 2018, v. 363, n. 5, p. 1, doi. 10.1007/s10509-018-3324-z

By:

Khadem, Mahdi;
Haghi, Hosein

Publication type:

Article

Morphology of Seyfert galaxies.

Published in:

Astrophysics & Space Science, 2017, v. 362, n. 12, p. 1, doi. 10.1007/s10509-017-3210-0

By:

Chen, Yen-Chen;
Hwang, Chorng-Yuan

Publication type:

Article

Optical imaging and spectral study of FR-I type radio galaxy: CTD 086 (B2 1422+26B).

Published in:

Astrophysics & Space Science, 2017, v. 362, n. 9, p. 1, doi. 10.1007/s10509-017-3139-3

By:

Sahu, Sheetal;
Navale, N.;
Pandey, S.;
Pandge, M.

Publication type:

Article

Spitzer IRS low-resolution spectra for four candidate Seyfert 1-like objects from ULIRGs in the Sloan Digital Sky Survey, 2dF Galaxy Redshift Survey and 6dF Galaxy Survey.

Published in:

Astrophysics & Space Science, 2014, v. 353, n. 1, p. 241, doi. 10.1007/s10509-014-2004-x

By:

Chen, P.;
Shan, H.;
Liu, J.

Publication type:

Article

Dependence of the clustering properties of galaxies on stellar velocity dispersion in the Main galaxy sample of SDSS DR10.

Published in:

Astrophysics & Space Science, 2014, v. 352, n. 2, p. 833, doi. 10.1007/s10509-014-1970-3

By:

Deng, Xin-Fa;
Song, Jun;
Chen, Yi-Qing;
Jiang, Peng;
Ding, Ying-Ping

Publication type:

Article

Detailed surface photometry of the cD galaxies NGC 4839 and NGC 4874.

Published in:

Astrophysics & Space Science, 2014, v. 352, n. 2, p. 789, doi. 10.1007/s10509-014-1991-y

By:

Ali, Gamal;
Shaban, Eman;
Amin, Magdy;
Rassem, M.

Publication type:

Article

The fraction and mid-infrared properties of broad absorption line quasars from the Sloan Digital Sky Survey.

Published in:

Astrophysics & Space Science, 2014, v. 349, n. 2, p. 947, doi. 10.1007/s10509-013-1669-x

By:

Pu, Xingting

Publication type:

Article

Correlations between morphology and other galaxy parameters at different environmental density levels.

Published in:

Astrophysics & Space Science, 2013, v. 347, n. 1, p. 183, doi. 10.1007/s10509-013-1504-4

By:

Deng, Xin-Fa;
Luo, Cheng-Hong;
Jiang, Peng;
Ding, Ying-Ping

Publication type:

Article