Exploring the maximum magnitude versus rate of decline relation for novae in M31

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F24%3A00586434" target="_blank" >RIV/67985815:_____/24:00586434 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/47813059:19630/24:A0000395 RIV/00216208:11320/24:10491693

Výsledek na webu

<a href="https://hdl.handle.net/11104/0354762" target="_blank" >https://hdl.handle.net/11104/0354762</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3847/1538-4365/ad3c39" target="_blank" >10.3847/1538-4365/ad3c39</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Exploring the maximum magnitude versus rate of decline relation for novae in M31

Popis výsledku v původním jazyce

The results of a two-decade-long R-band photometric survey of novae in M31 are presented. From these data, R- band light curves have been determined for 180 novae with data sufficient for estimating the peak brightness andnsubsequent rate of decline. The data show a weak correlation of peak brightness with fade rate consistent with the well-known maximum magnitude versus rate of decline (MMRD) relation. As generally appreciated for Galactic novae, the large scatter in the MMRD relation precludes its use in determining distances to individual novae. The novae at maximum light are distributed with standard deviation σ = 0.89 mag about a mean R-band absolute magnitude given by 〈MR〉 = −7.57 ± 0.07. The overall M31 luminosity distribution is in excellent agreement with that found for Galactic novae suggesting that the nova populations in M31 and the Galaxy are quite similar. The notion that all novae can be characterized by a standard luminosity 15 days after maximum light (M15) is also explored. Surprisingly, the distribution of M15 values is characterized by a standard deviation only slightly smaller than that for novae at maximum light and thus offers little promise for precise extragalactic distance determinations. A dozen faint and fast novae that are likely to be previously unidentified recurrent novae have been identified from their position in the MMRD plot and in the M15 distribution.

Název v anglickém jazyce

Exploring the maximum magnitude versus rate of decline relation for novae in M31

Popis výsledku anglicky

The results of a two-decade-long R-band photometric survey of novae in M31 are presented. From these data, R- band light curves have been determined for 180 novae with data sufficient for estimating the peak brightness andnsubsequent rate of decline. The data show a weak correlation of peak brightness with fade rate consistent with the well-known maximum magnitude versus rate of decline (MMRD) relation. As generally appreciated for Galactic novae, the large scatter in the MMRD relation precludes its use in determining distances to individual novae. The novae at maximum light are distributed with standard deviation σ = 0.89 mag about a mean R-band absolute magnitude given by 〈MR〉 = −7.57 ± 0.07. The overall M31 luminosity distribution is in excellent agreement with that found for Galactic novae suggesting that the nova populations in M31 and the Galaxy are quite similar. The notion that all novae can be characterized by a standard luminosity 15 days after maximum light (M15) is also explored. Surprisingly, the distribution of M15 values is characterized by a standard deviation only slightly smaller than that for novae at maximum light and thus offers little promise for precise extragalactic distance determinations. A dozen faint and fast novae that are likely to be previously unidentified recurrent novae have been identified from their position in the MMRD plot and in the M15 distribution.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Astrophysical Journal Supplement Series

ISSN

0067-0049

e-ISSN

1538-4365

Svazek periodika

272

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

14

Strana od-do

28

Kód UT WoS článku

001224981900001

EID výsledku v databázi Scopus

2-s2.0-85193507803