Journal
ASTROPHYSICAL JOURNAL
Volume 830, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.3847/0004-637X/830/2/136
Keywords
galaxies: active; galaxies: nuclei; galaxies: Seyfert
Categories
Funding
- NSF through CAREER [AST-1253702]
- UK Science and Technology Facilities Council (STFC) [ST/M001296/1]
- Space Telescope Science Institute [HST GO-11662]
- NASA [NAS5-26555]
- Science and Technology Facilities Council [ST/M001296/1, ST/P002218/1] Funding Source: researchfish
- STFC [ST/M001296/1, ST/P002218/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1253702] Funding Source: National Science Foundation
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We present the results of a reverberation campaign targeting MGC-06-30-15. Spectrophotometric monitoring and broad-band photometric monitoring over the course of four months in spring 2012 allowed a determination of a time delay in the broad H beta emission line of tau = 5.3 +/- 1.8 days in the rest frame of the active galactic nucleus ( AGN). Combined with the width of the variable portion of the emission line, we determine a black hole mass of M-BH = (1.6 +/- 0.4) x 10 (6) M-circle dot. Both the H beta time delay and the black hole mass are in good agreement with expectations from the R-BLR-L and M-BH-sigma star relationships for other reverberation-mapped AGNs. The H beta time delay is also in good agreement with the relationship between H beta and broad-band near-IR delays, in which the effective size of the broad-line region is similar to 4-5 times smaller than the inner edge of the dust torus. Additionally, the reverberation-based mass is in good agreement with estimates from the scaling relationship of the break in the X-ray power spectral density, and with constraints based on stellar kinematics derived from integral field spectroscopy of the inner similar to 0.5 kpc of the galaxy.
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