2005ApJ...627..125O

Query : 2005ApJ...627..125O

2005ApJ...627..125O - Astrophys. J., 627, 125-133 (2005/July-1)

H1517+656: the birth of a BL Lacertae object.

O'DOWD M., URRY C.M., SCARPA R., WAYTH R.B. and WEBSTER R.L.

Abstract (from CDS):

H1517+656 is an unusual source, even for a BL Lac object. It is one of the most luminous BL Lac objects known, with extreme emission properties at radio, optical, and X-ray frequencies. Furthermore, in our WFPC2 snapshot survey we discovered a series of peculiar arcs describing a 2".4 radius ring surrounding the source. This paper describes follow-up observations with additional WFPC2 bands and the STIS long-pass filter, which have revealed this structure to be the remnants of a very recent galaxy merger. Population synthesis modeling has shown that regions of the arcs have stellar populations with age<20 Myr. In addition, the circularity of the arcs indicates that the plane of the collision and hence accretion is very close to the plane of the sky. Given that BL Lac jets are thought to be aligned with the line of sight, this observation may provide a direct link between the transfer of angular momentum in an interaction and the generation of a radio source.

Abstract Copyright: ∼

Journal keyword(s): Black Hole Physics - Galaxies: BL Lacertae Objects: General - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: H 1517+656{1517+656} - Galaxies: Active - Galaxies: Interactions - Galaxies: Jets

Nomenclature: Table 2, Fig.6: [OUS2005] a (Nos a-n).

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 RX J1517.7+6525 BLL 15 17 47.5882526184 +65 25 23.285593704       16.7   ~ 131 1

Query : 2005ApJ...627..125O

Basic data :
RX J1517.7+6525 -- BL Lac
Other object types: otypes_help 		BLL (2010ApJ,SHBL,...), Rad (BWE,CLASS,...), gam (1FGL,2FGL,...), X (2009A&A,1ES,...), Bla (2016ApJS,[DGT2001],...), Bz? (2019A&A,3HSP,...), QSO (QSO,[SBS92]), MIR (WISEA,WISE), AGN (2011ApJ), BL? (2021MNRAS), * (Gaia), NIR (2MASS), Opt (SDSS)
ICRS coord. (ep=J2000) : 		15 17 47.5882526184 +65 25 23.285593704 (Optical) [ 0.0502 0.0498 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		15 17 05.1199629686 +65 36 15.821960049 [ 0.0502 0.0498 90 ]
Gal coord. (ep=J2000) : 		102.2607707243118 +45.3885826512979 [ 0.0502 0.0498 90 ]
Proper motions mas/yr : 		-0.061 0.005 [0.066 0.069 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 145927 [~] / z(spectroscopic) 0.702 [~] / cz 210454 [~]
   (Opt) D 2019A&A...632A..77C
Parallaxes (mas): 		0.0319 [0.0508] A 2020yCat.1350....0G
Fluxes (10) :
R 16.7 [~] E 2009A&A...495..691M
G 17.143776 [0.006458] C 2020yCat.1350....0G
J 14.78 [0.04] C 2003yCat.2246....0C
H 14.14 [0.05] C 2003yCat.2246....0C
K 13.62 [0.06] C 2003yCat.2246....0C
u (AB) 16.886 [0.008] B 2020ApJS..249....3A
g (AB) 16.631 [0.004] B 2020ApJS..249....3A
r (AB) 16.465 [0.004] B 2020ApJS..249....3A
i (AB) 16.329 [0.005] B 2020ApJS..249....3A
z (AB) 16.214 [0.008] B 2020ApJS..249....3A
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Identifiers (51) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

QSO B1517+656 GB6 J1517+6524 RX J1517.7+6525 [DGT2001] B1517+656
BWE 1517+6535 87GB 151706.4+653539 1RXS J151747.3+652522 [MGL2009] BZB J1517+6525
CLASS J151747.5793+652523.282 1H 1515+660 SDSS J151747.58+652523.3 [MML2015] 5BZB J1517+6525
1ES 1517+65.6 H 1517+656 SHBL J151747.4+652523 [SBS92] 1517+656
1FGL J1517.8+6530 3HSP J151747.6+652523 SRGA J151747.5+652529 [VV2000b] J151747.6+652524
2FGL J1518.0+6526 IERS B1517+656 TIC 202469087 [VV2003b] J151747.6+652524
3FGL J1517.6+6524 ILT J151747.50+652524.6 2WHSP J151747.5+652523 [VV2006b] J151747.6+652524
4FGL J1517.7+6525 INTREF 643 WISEA J151747.59+652523.3 [VV2010b] J151747.6+652524
1FHL J1517.9+6526 IVS B1517+656 WISE J151747.59+652523.3 [VV98b] J151747.6+652524
2FHL J1517.7+6526 2MASS J15174758+6525232 WN B1517+6536 [ZEH2003] RX J1517.7+6525 1
3FHL J1517.7+6525 NVSS J151747+652523 WN B1517.0+6536 Gaia DR3 1644217148535692032
FL8Y J1517.7+6525 RBS 1481 9Y-MST J1517+6525 Gaia DR2 1644217148535692032
GB6 B1517+6535 RGB J1517+654B [BSF97] J151747.58+652523.3

References (131 between 1850 and 2026) (Total 131)
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 : 1    Plx : 2    PM : 2   

   

External archives :

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

Data at NED - NASA/IPAC Extragalactic Database : RX J1517.7+6525

Link by name to the catalogue in VizieR :

BWE 1517+6535 IERS B1517+656 2MASS J15174758+6525232 NVSS J151747+652523 1RXS J151747.3+652522
SDSS J151747.58+652523.3 WISEA J151747.59+652523.3 WISE J151747.59+652523.3 WN B1517+6536 WN B1517.0+6536
Gaia DR3 1644217148535692032 Gaia DR2 1644217148535692032

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