activity
20182026
most citedThe SAGE Photometric Sky Survey: Technical Description

32 citations · 64 across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.SR2026

The Stellar Abundances and Galactic Evolution Survey (SAGES). V. The First Data Release of the DDO51 Band

Qiqian Zhang, Zhou Fan, Gang Zhao +20

We present the first public data release of DDO51 band from the Stellar Abundances and Galactic Evolution Survey (SAGES), based on Nanshan One-meter Wide-field Telescope (NOWT) obs…

astro-ph.SR2025★ 1 cited

The Stellar Abundances and Galactic Evolution Survey (SAGES). IV. Surface Gravity Estimation and Giant-Dwarf Separation with the DDO51 Filter

Qiqian Zhang, Zhou Fan, Gang Zhao +16

Reliable estimation of stellar surface gravity (log ) for a large sample is crucial for evaluating stellar evolution models and understanding galactic structure; However, it is…

astro-ph.SR2025

The Stellar Abundances and Galactic Evolution Survey (SAGES). II. Machine Learning-Based Stellar parameters for 21 million stars from the First Data Release

Hongrui Gu, Zhou Fan, Gang Zhao +14

Stellar parameters for large samples of stars play a crucial role in constraining the nature of stars and stellar populations in the Galaxy. An increasing number of medium-band pho…

astro-ph.GA2024

The Stellar Abundances and Galactic Evolution Survey (SAGES) III -- The g/r/i-band Data Release

Chun Li, Zhou Fan, Gang Zhao +15

The Stellar Abundances and Galactic Evolution Survey (SAGES) is a multi-band survey that covers the northern sky area of ~12000 deg2. Nanshan One-meter Wide-field Telescope (NOWT)…

astro-ph.SR2023★ 11 cited

Photometric calibration of the Stellar Abundance and Galactic Evolution Survey (SAGES): Nanshan One-meter Wide-field Telescope g, r, and i band imaging data

Kai Xiao, Haibo Yuan, Bowen Huang +16

In this paper, a total of approximately 2.6 million dwarfs were constructed as standard stars, with an accuracy of about 0.01-0.02 mag for each band, by combining spectroscopic dat…

astro-ph.GA2023

Beyond spectroscopy. II. Stellar parameters for over twenty million stars in the northern sky from SAGES DR1 and Gaia DR3

Yang Huang, Timothy C. Beers, Hai-Bo Yuan +18

We present precise photometric estimates of stellar parameters, including effective temperature, metallicity, luminosity classification, distance, and stellar age, for nearly 26 mi…

astro-ph.GA2023

The Stellar Abundances and Galactic Evolution Survey (SAGES) -- -- I. General Description and the First Data Release (DR1)

Zhou Fan, Gang Zhao, Wei Wang +35

The Stellar Abundances and Galactic Evolution Survey (SAGES) of the northern sky is a specifically-designed multi-band photometric survey aiming to provide reliable stellar paramet…

astro-ph.GA2020★ 5 cited

Comparisons of Different Fitting Methods for the Physical Parameters of A Star Cluster Sample of M33 with Spectroscopy and Photometry

Zhou Fan, Bingqiu Chen, Xiaoying Pang +8

Star clusters are good tracers for formation and evolution of galaxies. We compared different fitting methods by using spectra (or by combining photometry) to determine the physica…

astro-ph.GA2018★ 15 cited

Testing Area of the SAGE Survey

Jie Zheng, Gang Zhao, Wei Wang +4

Sky survey is one of the most important motivations to improve the astrophysics development, especially when using new photometric bands. We are performing the SAGE (Stellar Abunda…

astro-ph.IM2018★ 32 cited

The SAGE Photometric Sky Survey: Technical Description

Jie Zheng, Gang Zhao, Wei Wang +4

To investigate in more details of Stellar Abundance and Galactic Evolution (SAGE) and in a huge sample, we are performing a northern sky photometric survey named SAGES with the SAG…