3 papers
astro-ph.GA2025
photoD with Rubin's Data Preview 1: first stellar photometric distances and deficit of faint blue stars. Stellar distances with Rubin's DP1
L. Palaversa, E. Donev, Ž. Ivezić +96
Aims: We investigate the utility of Rubin's Data Preview 1 for estimating stellar number density profile in the Milky Way halo. Methods: Stellar broad-band near-UV to near-IR $ugri…
astro-ph.HE2025
Discern Misclassified flat-spectrum radio quasars from low-frequency peaked BL Lacertae objects
S. Liang, W. G. Yang, Y. G. Zheng +1
A sample of 312 low-frequency peaked BL Lacertae objects (LBLs) and 694 flat spectrum radio quasars (FSRQs) with the parameters both redshift and -ray photon spectral index ($Γ_…
astro-ph.SR2024
Electron densities of Transition Region Loops derived from IRIS O IV spectral data
Shiyu Liang, Ziyuan Wang, Zhenghua Huang +4
Loops are fundamental structures in the magnetized atmosphere of the sun. Their physical properties are crucial for understanding the nature of the solar atmosphere. Transition reg…