prikaz prve stranice dokumenta Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation
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Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation
Astrophysical Journal, 767 (2013), 1; 26. https://doi.org/10.1088/0004-637X/767/1/26
Kang, Wol-Rang; Woo, Jong-Hak; Schulze, Andreas; Riechers, Dominik A.; Kim, Sang Chul; Daeseong, Park; Smolčić, Vernesa

Institucijski repozitorij: Repozitorij Prirodoslovno-matematičkog fakulteta

Citirajte ovaj rad

Kang, W. R., Woo, J. H., Schulze, A., Riechers, D. A., Kim, S. C., Daeseong, P. i Smolčić, V. (2013). Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation. Astrophysical Journal, 767. (1). doi: 10.1088/0004-637X/767/1/26

Kang, Wol Rang, et al. "Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation." Astrophysical Journal, vol. 767, br. 1, 2013. https://doi.org/10.1088/0004-637X/767/1/26

Kang, Wol Rang, Jong Hak Woo, Andreas Schulze, Dominik A. Riechers, Sang Chul Kim, Park Daeseong i Vernesa Smolčić. "Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation." Astrophysical Journal 767, br. 1 (2013). https://doi.org/10.1088/0004-637X/767/1/26

Kang, W. R., et al. (2013) 'Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation', Astrophysical Journal, 767(1). doi: 10.1088/0004-637X/767/1/26

Kang WR, Woo JH, Schulze A, Riechers DA, Kim SC, Daeseong P, i sur.. Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation. Astrophysical Journal [Internet]. 2013. [pristupljeno 25.11.2024.];767(1). doi: 10.1088/0004-637X/767/1/26

W. R. Kang, et al., "Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation", Astrophysical Journal, vol. 767, br. 1, 2013. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:588596. [Citirano: 25.11.2024.]

Za citiranje koristite ovu mrežnu adresu: https://urn.nsk.hr/urn:nbn:hr:217:588596
Podaci o radu
Naslov (engleski)Calibrating stellar velocity dispersions based on spatially resolved h-band spectra for improving the mbh–σ∗ relation
AutorWol-Rang Kang
AutorJong-Hak Woo
AutorAndreas Schulze
AutorDominik A. Riechers
AutorSang Chul Kim
AutorPark Daeseong
AutorVernesa Smolčić
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
To calibrate stellar velocity dispersion measurements from optical and near-IR stellar lines, and to improve the black hole mass (MBH)–stellar velocity dispersion (σ∗) relation, we measure σ∗ based on high-quality H-band spectra for a sample of 31 nearby galaxies, for which dynamical MBH is available in the literature. By comparing velocity dispersions measured from stellar lines in the H-band with those measured from optical stellar lines, we find no significant difference, suggesting that optical and near-IR stellar lines represent the same kinematics and that dust effect is negligible for early-type galaxies. Based on the spatially resolved rotation and velocity dispersion measurements along the major axis of each galaxy, we find that a rotating stellar disk is present for 80% of galaxies in the sample. For galaxies with a rotation component, σ∗ measured from a single aperture spectrum can vary by up to ∼20%, depending on the size of the adopted extraction aperture. To correct for the rotational broadening, we derive luminosity-weighted σ∗ within the effective radius of each galaxy, providing uniformly measured velocity dispersions to improve the MBH–σ∗ relation.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaAstrophysical Journal
Brojčani podacivol. 767, br. 1, 26
p-ISSN0004-637X
e-ISSN1538-4357
DOIhttps://doi.org/10.1088/0004-637X/767/1/26
URN:NBNurn:nbn:hr:217:588596
Datum objave publikacije2013
URL dokumentahttps://iopscience.iop.org/article/10.1088/0004-637X/767/1/26
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Javna napomena© 2013 American Astronomical Society. Received 2013 January 20; accepted for publication 2013 February 19; published 2013 March 21.
Datum i vrijeme pohrane2019-11-24 10:50:33