2021ApJ...909..159C

Query : 2021ApJ...909..159C

2021ApJ...909..159C - Astrophys. J., 909, 159-159 (2021/March-2)

Spectroscopic monitoring of the candidate tidal disruption event in F01004-2237.

CANNIZZARO G., JONKER P.G. and MATA-SANCHEZ D.

Abstract (from CDS):

We present results of spectroscopic monitoring observations of the ultraluminous infrared galaxy F01004-2237. This galaxy was observed to undergo changes in its optical spectrum, detected by comparing a spectrum from 2015 with one from 2000. These changes were coincident with photometric brightening. The main changes detected in the optical spectrum are enhanced He II λ4686 emission and the appearance of He I λ3898,λ5876 emission lines. The favored interpretation of these changes was that of a tidal disruption event (TDE) happening in 2010. However, subsequent work suggested that these changes are caused by another hitherto unknown effect related to variations in the accretion rate in the active galactic nucleus (AGN). Our optical spectroscopic monitoring observations show that the evolution of the He lines is in line with the evolution seen in TDEs and opposite of what is observed from reverberation-mapping studies of AGNs, renewing the discussion of the interpretation of the flare as a TDE.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Tidal disruption - Active galactic nuclei - Ultraluminous infrared galaxies - Transient sources - High energy astrophysics

VizieR on-line data: <Available at CDS (J/ApJ/909/159): fig1.dat>

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 IRAS 01003-2238 Sy2 01 02 49.9920152640 -22 21 57.262136544   18.62 18.9 17.83   ~ 192 0

Query : 2021ApJ...909..159C

Basic data :
IRAS 01003-2238 -- Seyfert 2 Galaxy
Other object types: otypes_help 		H2G (), AGN (2019MNRAS,[VV2000c],...), G (LEDA,6dFGS,...), MIR (AKARI,WISEA,...), QSO (2016ApJ,QSO), IR (IRAS,PSCz), Sy2 (2010A&A), Sy1 (2022ApJS), * (Gaia), UV (GALEXASC), NIR (2MASS)
ICRS coord. (ep=J2000) : 		01 02 49.9920152640 -22 21 57.262136544 (Optical) [ 0.1511 0.1258 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		01 00 23.5882816083 -22 38 03.655502785 [ 0.1511 0.1258 90 ]
Gal coord. (ep=J2000) : 		152.0542204655994 -84.5808683589559 [ 0.1511 0.1258 90 ]
Proper motions mas/yr : 		-0.788 -0.415 [0.248 0.362 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 33250 [~] / z(emission) 0.117807 [~] / cz 35317.65 [~]
   (IR) C 2016ApJS..226...11S
Fluxes (7) :
B 18.62 [~] D 2009MNRAS.399..683J
V 18.9 [~] E ~
R 17.83 [~] D 2009MNRAS.399..683J
G 18.406029 [0.004973] C 2020yCat.1350....0G
J 16.08 [0.07] C 2003yCat.2246....0C
H 15.27 [0.08] C 2003yCat.2246....0C
K 14.27 [0.06] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 		Display criteria :

Identifiers (21) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

LEDA 3095492 2MASS J01024998-2221572 [HSN2016] J015.70-22.36 EQ 0100-226
AKARI-IRC-V1 J0102500-222157 PSCz Q01003-2238 [VV2000c] J010249.9-222157 Gaia DR3 2352122591794199680
6dFGS gJ010250.0-222157 QSO J0102-2221 [VV2003c] J010249.9-222157 Gaia DR2 2352122591794199680
GALEXASC J010250.01-222157.4 TIC 268587874 [VV2006c] J010249.9-222157
IRAS F01004-2237 WISEA J010249.99-222157.2 [VV2010c] J010249.9-222157
IRAS 01003-2238 WISE J010249.98-222157.1 [VV98c] J010249.9-222157

References (192 between 1850 and 2026) (Total 192)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 5    PM : 2   

   

Observing logs
Herschel : 4    ISO : 2   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : IRAS 01003-2238

Link by name to the catalogue in VizieR :

AKARI-IRC-V1 J0102500-222157 IRAS F01004-2237 IRAS 01003-2238 2MASS J01024998-2221572 WISEA J010249.99-222157.2
WISE J010249.98-222157.1 Gaia DR3 2352122591794199680 Gaia DR2 2352122591794199680

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