THE FERMI ALL-SKY VARIABILITY ANALYSIS: A LIST OF FLARING GAMMA-RAY SOURCES AND THE SEARCH FOR TRANSIENTS IN OUR GALAXY
Markus Ackermann
,
Marco Ajello
,
M. Albert
(1)
,
A. Allafort
,
E. Antolini
,
Luca Baldini
,
Jean Ballet
(2)
,
Guido Barbiellini
,
D. Bastieri
,
K. Bechtol
,
R. Bellazzini
,
R. D. Blandford
,
E. D. Bloom
,
E. Bonamente
,
E. Bottacini
,
A. Bouvier
,
T. J. Brandt
(3)
,
J. Bregeon
,
M. Brigida
,
Pascal Bruel
(4)
,
R. Buehler
,
S. Buson
,
G. A. Caliandro
,
R. A. Cameron
,
P. A. Caraveo
,
E. Cavazzuti
,
C. Cecchi
,
E. Charles
,
A. Chekhtman
,
C. C. Cheung
,
J. Chiang
,
G. Chiaro
,
S. Ciprini
,
R. Claus
,
J. Cohen-Tanugi
,
J. Conrad
,
S. Cutini
,
M. Dalton
,
F. d'Ammando
,
A. de Angelis
,
F. de Palma
,
C. D. Dermer
,
L. Di Venere
,
P. S. Drell
,
A. Drlica-Wagner
,
C. Favuzzi
,
S. J. Fegan
(4)
,
E. C. Ferrara
,
W. B. Focke
,
A. Franckowiak
,
Y. Fukazawa
,
S. Funk
,
P. Fusco
(5)
,
F. Gargano
(5)
,
D. Gasparrini
,
S. Germani
,
N. Giglietto
,
F. Giordano
(5)
,
M. Giroletti
,
T. Glanzman
,
G. Godfrey
,
I. A. Grenier
(2)
,
M.-H. Grondin
,
J. E. Grove
,
S. Guiriec
,
D. Hadasch
,
Y. Hanabata
,
A. K. Harding
,
M. Hayashida
,
E. Hays
,
J. Hewitt
,
A. B. Hill
(6)
,
D. Horan
(4)
,
X. Hou
(7)
,
R. E. Hughes
,
Y. Inoue
,
M. S. Jackson
,
T. Jogler
,
G. Jóhannesson
,
W. N. Johnson
,
T. Kamae
,
J. Kataoka
,
T. Kawano
,
Jürgen Knödlseder
(3)
,
M. Kuss
,
J. Lande
,
S. Larsson
,
L. Latronico
,
M. Lemoine-Goumard
(7)
,
F. Longo
,
F. Loparco
(5)
,
B. Lott
(7)
,
M. N. Lovellette
,
P. Lubrano
,
M. Mayer
,
M. N. Mazziotta
,
J. E. Mcenery
,
P. F. Michelson
,
W. Mitthumsiri
,
T. Mizuno
,
C. Monte
,
M. E. Monzani
,
A. Morselli
,
I. V. Moskalenko
,
S. Murgia
,
R. Nemmen
,
E. Nuss
(8)
,
T. Ohsugi
,
A. Okumura
,
N. Omodei
,
M. Orienti
,
E. Orlando
,
J. F. Ormes
,
D. Paneque
,
J. H. Panetta
,
J. S. Perkins
,
M. Pesce-Rollins
,
F. Piron
(8)
,
G. Pivato
,
T.A. Porter
,
S. Rainò
,
R. Rando
,
M. Razzano
,
A. Reimer
,
O. Reimer
,
C. Romoli
,
M. Roth
,
M. Sánchez-Conde
,
J. D. Scargle
,
A. Schulz
,
C. Sgrò
,
E. J. Siskind
,
G. Spandre
,
P. Spinelli
,
D.J. Suson
,
H. Takahashi
,
Y. Takeuchi
,
J. G. Thayer
,
J. B. Thayer
,
D. J. Thompson
,
L. Tibaldo
,
M. Tinivella
,
D. F. Torres
,
G. Tosti
,
E. Troja
,
V. Tronconi
,
T. L. Usher
,
J. Vandenbroucke
,
V. Vasileiou
(8)
,
G. Vianello
,
V. Vitale
,
B. L. Winer
,
K. S. Wood
,
M. Wood
,
Z. Yang
1
Département de Physique Théorique
2 AIM (UMR7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
3 IRAP - Institut de recherche en astrophysique et planétologie
4 LLR - Laboratoire Leprince-Ringuet
5 INFN, sezione di Bari - Istituto Nazionale di Fisica Nucleare, sezione di Bari
6 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble
7 GLAST
8 LUPM - Laboratoire Univers et Particules de Montpellier
2 AIM (UMR7158 / UMR_E_9005 / UM_112) - Astrophysique Interprétation Modélisation
3 IRAP - Institut de recherche en astrophysique et planétologie
4 LLR - Laboratoire Leprince-Ringuet
5 INFN, sezione di Bari - Istituto Nazionale di Fisica Nucleare, sezione di Bari
6 IPAG - Institut de Planétologie et d'Astrophysique de Grenoble
7 GLAST
8 LUPM - Laboratoire Univers et Particules de Montpellier
Markus Ackermann
- Function : Author
Marco Ajello
- Function : Author
A. Allafort
- Function : Author
E. Antolini
- Function : Author
Luca Baldini
- Function : Author
Guido Barbiellini
- Function : Author
D. Bastieri
- Function : Author
K. Bechtol
- Function : Author
R. Bellazzini
- Function : Author
R. D. Blandford
- Function : Author
E. D. Bloom
- Function : Author
E. Bonamente
- Function : Author
E. Bottacini
- Function : Author
A. Bouvier
- Function : Author
J. Bregeon
- Function : Author
- PersonId : 741214
- IdHAL : johan-bregeon
- ORCID : 0000-0002-6790-5328
- IdRef : 095856943
M. Brigida
- Function : Author
R. Buehler
- Function : Author
S. Buson
- Function : Author
G. A. Caliandro
- Function : Author
R. A. Cameron
- Function : Author
P. A. Caraveo
- Function : Author
E. Cavazzuti
- Function : Author
C. Cecchi
- Function : Author
E. Charles
- Function : Author
A. Chekhtman
- Function : Author
C. C. Cheung
- Function : Author
J. Chiang
- Function : Author
G. Chiaro
- Function : Author
S. Ciprini
- Function : Author
R. Claus
- Function : Author
J. Cohen-Tanugi
- Function : Author
- PersonId : 3626
- IdHAL : johann-cohen-tanugi
- ORCID : 0000-0001-9022-4232
- IdRef : 172626544
J. Conrad
- Function : Author
S. Cutini
- Function : Author
M. Dalton
- Function : Author
F. d'Ammando
- Function : Author
A. de Angelis
- Function : Author
F. de Palma
- Function : Author
C. D. Dermer
- Function : Author
L. Di Venere
- Function : Author
- PersonId : 769090
- ORCID : 0000-0003-0703-824X
P. S. Drell
- Function : Author
A. Drlica-Wagner
- Function : Author
C. Favuzzi
- Function : Author
S. J. Fegan
- Function : Author
- PersonId : 740343
- IdHAL : stephen-fegan
- IdRef : 253133149
E. C. Ferrara
- Function : Author
W. B. Focke
- Function : Author
A. Franckowiak
- Function : Author
Y. Fukazawa
- Function : Author
- PersonId : 760581
- ORCID : 0000-0002-0921-8837
S. Funk
- Function : Author
D. Gasparrini
- Function : Author
S. Germani
- Function : Author
N. Giglietto
- Function : Author
- PersonId : 755413
- ORCID : 0000-0002-9021-2888
M. Giroletti
- Function : Author
T. Glanzman
- Function : Author
G. Godfrey
- Function : Author
M.-H. Grondin
- Function : Author
- PersonId : 760583
- IdHAL : mhgrondin
- ORCID : 0000-0002-8383-251X
- IdRef : 14852026X
J. E. Grove
- Function : Author
S. Guiriec
- Function : Author
D. Hadasch
- Function : Author
- PersonId : 761675
- ORCID : 0000-0001-8663-6461
Y. Hanabata
- Function : Author
A. K. Harding
- Function : Author
M. Hayashida
- Function : Author
E. Hays
- Function : Author
J. Hewitt
- Function : Author
R. E. Hughes
- Function : Author
Y. Inoue
- Function : Author
M. S. Jackson
- Function : Author
T. Jogler
- Function : Author
G. Jóhannesson
- Function : Author
W. N. Johnson
- Function : Author
T. Kamae
- Function : Author
J. Kataoka
- Function : Author
T. Kawano
- Function : Author
- PersonId : 757520
- ORCID : 0000-0002-6876-9399
Jürgen Knödlseder
- Function : Author
- PersonId : 178646
- IdHAL : jurgen-knodlseder
- ORCID : 0000-0002-0014-7809
- IdRef : 069521360
M. Kuss
- Function : Author
J. Lande
- Function : Author
S. Larsson
- Function : Author
L. Latronico
- Function : Author
F. Longo
- Function : Author
- PersonId : 755442
- ORCID : 0000-0003-2501-2270
B. Lott
- Function : Author
- PersonId : 739369
- IdHAL : benoit-lott
- ORCID : 0000-0003-2186-9242
- IdRef : 031300065
M. N. Lovellette
- Function : Author
P. Lubrano
- Function : Author
M. Mayer
- Function : Author
M. N. Mazziotta
- Function : Author
J. E. Mcenery
- Function : Author
P. F. Michelson
- Function : Author
W. Mitthumsiri
- Function : Author
T. Mizuno
- Function : Author
C. Monte
- Function : Author
M. E. Monzani
- Function : Author
A. Morselli
- Function : Author
I. V. Moskalenko
- Function : Author
S. Murgia
- Function : Author
R. Nemmen
- Function : Author
T. Ohsugi
- Function : Author
A. Okumura
- Function : Author
N. Omodei
- Function : Author
M. Orienti
- Function : Author
E. Orlando
- Function : Author
J. F. Ormes
- Function : Author
D. Paneque
- Function : Author
- PersonId : 755279
- ORCID : 0000-0002-2830-0502
J. H. Panetta
- Function : Author
J. S. Perkins
- Function : Author
M. Pesce-Rollins
- Function : Author
- PersonId : 760585
- ORCID : 0000-0003-1790-8018
F. Piron
- Function : Author
- PersonId : 172749
- IdHAL : frederic-piron
- ORCID : 0000-0001-6885-7156
G. Pivato
- Function : Author
T.A. Porter
- Function : Author
S. Rainò
- Function : Author
R. Rando
- Function : Author
M. Razzano
- Function : Author
A. Reimer
- Function : Author
- PersonId : 755465
- ORCID : 0000-0001-8604-7077
O. Reimer
- Function : Author
C. Romoli
- Function : Author
- PersonId : 766942
- ORCID : 0000-0003-2541-4499
M. Roth
- Function : Author
M. Sánchez-Conde
- Function : Author
J. D. Scargle
- Function : Author
A. Schulz
- Function : Author
C. Sgrò
- Function : Author
E. J. Siskind
- Function : Author
G. Spandre
- Function : Author
P. Spinelli
- Function : Author
D.J. Suson
- Function : Author
H. Takahashi
- Function : Author
Y. Takeuchi
- Function : Author
J. G. Thayer
- Function : Author
J. B. Thayer
- Function : Author
D. J. Thompson
- Function : Author
L. Tibaldo
- Function : Author
M. Tinivella
- Function : Author
D. F. Torres
- Function : Author
G. Tosti
- Function : Author
E. Troja
- Function : Author
V. Tronconi
- Function : Author
T. L. Usher
- Function : Author
J. Vandenbroucke
- Function : Author
G. Vianello
- Function : Author
V. Vitale
- Function : Author
- PersonId : 760184
- ORCID : 0000-0001-8040-7852
B. L. Winer
- Function : Author
K. S. Wood
- Function : Author
M. Wood
- Function : Author
Z. Yang
- Function : Author
Abstract
In this paper, we present the Fermi All-sky Variability Analysis (FAVA), a tool to systematically study the variability of the gamma-ray sky measured by the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. For each direction on the sky, FAVA compares the number of gamma-rays observed in a given time window to the number of gamma-rays expected for the average emission detected from that direction. This method is used in weekly time intervals to derive a list of 215 flaring gamma-ray sources. We proceed to discuss the 27 sources found at Galactic latitudes smaller than 10° and show that, despite their low latitudes, most of them are likely of extragalactic origin.