38 citations · 161 across the 11 of their papers we have counts for
6 papers · 1 filter
The Seoul National University AGN Monitoring Project IV: H reverberation mapping of 6 AGNs and the H Size-Luminosity Relation
Hojin Cho, Jong-Hak Woo, Shu Wang +29
The broad line region (BLR) size-luminosity relation has paramount importance for estimating the mass of black holes in active galactic nuclei (AGNs). Traditionally, the size of th…
Search of Intermediate Mass Black Holes at Low Redshift with Intra-night Variability
Lael Shin, Jong-Hak Woo, Donghoon Son +4
We present a sample of intermediate-mass black hole (IMBH) candidates based on the detection of a broad H emission line and variability, which are selected from the Sloan Digita…
H Reverberation Mapping of the Intermediate-Mass Active Galactic Nucleus in NGC 4395
Hojin Cho, Jong-Hak Woo, Tommaso Treu +24
We present the results of a high-cadence spectroscopic and imaging monitoring campaign of the active galactic nucleus (AGN) of NGC 4395. High signal-to-noise-ratio spectra were obt…
Variability and the size-luminosity relation of the intermediate mass AGN in NGC 4395
Hojin Cho, Jong-Hak Woo, Edmund Hodges-Kluck +31
We present the variability study of the lowest-luminosity Seyfert 1 galaxy NGC 4395 based on the photometric monitoring campaigns in 2017 and 2018. Using 22 ground-based and space…
The Seoul National University AGN monitoring project. II. BLR size and black hole mass of two AGNs
Suvendu Rakshit, Jong-Hak Woo, Elena Gallo +20
Active galactic nuclei (AGNs) show a correlation between the size of the broad line region (BLR) and the monochromatic continuum luminosity at 5100 Å, allowing black hole mass esti…
Intensive Monitoring Survey of Nearby Galaxies (IMSNG)
Myungshin Im, Changsu Choi, Sungyong Hwang +46
Intensive Monitoring Survey of Nearby Galaxies (IMSNG) is a high cadence observation program monitoring nearby galaxies with high probabilities of hosting supernovae (SNe). IMSNG a…