2015A&A...581A..17C


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.08CEST03:27:59

2015A&A...581A..17C - Astronomy and Astrophysics, volume 581A, 17-17 (2015/9-1)

Multiple tidal disruption flares in the active galaxy IC 3599.

CAMPANA S., MAINETTI D., COLPI M., LODATO G., D'AVANZO P., EVANS P.A. and MORETTI A.

Abstract (from CDS):

Tidal disruption events occur when a star passes too close to a massive black hole and is totally ripped apart by tidal forces. It may also occur that the star is not close enough to the black hole to be totally disrupted, and a less dramatic event might follow. If the stellar orbit is bound and highly eccentric, just like some stars in the centre of our own Galaxy, repeated flares are expected to occur. When the star approaches the black hole tidal radius at periastron, matter might be stripped, resulting in lower intensity outbursts recurring once every orbital period. We report on Swift observations of a recent bright flare from galaxy IC 3599, which hosts an intermediate-mass black hole, where a possible tidal disruption event was observed in the early 1990s. By light curve modelling and spectral fitting, we can consistently account for events such as the non-disruptive tidal stripping of a star into a highly eccentric orbit. The recurrence time is 9.5yr. IC 3599 is also known to host a low-luminosity active galactic nucleus. Tidal stripping from this star over several orbital passages might be able to contribute to this activity as well.

Abstract Copyright:

Journal keyword(s): galaxies: individual: IC 3599 - galaxies: active - X-rays: galaxies - accretion, accretion disks

Simbad objects: 7

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Number of rows : 7

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 Mrk 335 Sy1 00 06 19.5371542746 +20 12 10.617456059   14.19 13.85     ~ 1091 0
2 3XMM J003915.8-511701 Sy1 00 39 15.8341273306 -51 17 01.480962252   15.77 15.28 15.66   ~ 120 0
3 4U 0708-49 Sy1 07 08 41.4887418009 -49 33 06.308287663   16.02 15.7 12.7   ~ 422 0
4 QSO J0854+2006 BLL 08 54 48.8749311881 +20 06 30.642936668   15.91 15.43 15.56   ~ 1997 1
5 NGC 4395 Sy2 12 25 48.8639154223 +33 32 48.694684028 10.84 10.54 10.11 9.98   ~ 993 1
6 IC 3599 Sy1 12 37 41.1939866364 +26 42 27.492074834   15.7 16.5     ~ 154 0
7 Z 229-15 Sy1 19 05 25.9384427813 +42 27 39.760849326   15.4       ~ 73 0

    Equat.    Gal    SGal    Ecl

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2020.07.08-03:27:59

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