VizieR Search Page
[
Back
] ⋅ [
Forwd
] ⋅ [
Print
] ⋅ [
Close
]
JavaScript is used, and should be enabled to get full functionality.
Simple Target
List Of Targets
Fast Xmatch with large catalogs or Simbad
Target
Name (resolved by
Sesame
) or
Position
:
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Target dimension:
deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
Radius
Box size
J/ApJS/247/16
1169
Extreme high-frequency-peaked BL Lac objects (Acciari+, 2020)
ReadMe+ftp
2020ApJS..247...16A
Similar Catalogs
spectrum
Post annotation
1.
J/ApJS/247/16/magic
Sample of extreme high-frequency-peaked BL Lac objects (EHBLs) observed with the MAGIC telescopes (Table 1), results (Table 2) and main spectral parameters resulting from combining all Swift-XRT pointings during the MAGIC observation window (Table 8)
(13 rows)
meta
J/ApJS/247/16/magic
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
Show
Sort
Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Nx
(n)
Number of Swift-XRT measurements for this source (link to Table 7)
(
meta.number
)
(
NUMBER
)
Name
(char)
(i)
Target name
(
meta.id;meta.main
)
(
ID_MAIN
)
f_Name
(char)
[f] f: reference source
(Note 1)
(
meta.code
)
(
CODE_MISC
)
RAJ2000
deg
(i)
Right ascension in decimal degrees (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
deg
(i)
Declination in decimal degrees (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
GLON
deg
[67.7/249.3] Galactic longitude
(
pos.galactic.lon
)
(
POS_GAL_LON
)
GLAT
deg
[-42/65] Galactic latitude
(
pos.galactic.lat
)
(
POS_GAL_LAT
)
z
[0.049/0.3] Redshift
(
src.redshift
)
(
REDSHIFT_HC
)
r_z
(char)
[a-e] Redshift reference
(Note 2)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
NH
10+21cm-2
[0.1/4.4] Equivalent galactic hydrogen column density reported by Kalberla+ (2005,
VIII/76
)
(
phys.columnDensity;pos.galactic
)
(
PHYS_COLUMN_DENSITY
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
lognuPk
Hz
(n)
[16.6/18.5] Synchrotron peak frequency reported by Chang+ (2017,
J/A+A/598/A17
)
(
em.freq
)
(
OBS_FREQUENCY
)
Sel
(char)
Selection criteria
(Note 3)
(
meta.code
)
(
CODE_MISC
)
Date
(char)
yr
Year(s) of observation
(
time.epoch
)
(
TIME_MISC
)
Exp
h
[5.9/117.5] Effective exposure time after quality cuts
(
meta.code.qual;time.duration;obs.exposure
)
(
TIME_EXPTIME
)
Sigma
[-0.9/9] Significance of the signal in σ
(
stat.fit.goodness
)
(
STAT_SIGNIFICANCE
)
Eth
GeV
[150/300] Assumed energy threshold for integral flux calculation
(
instr.sensitivity
)
(
PHYS_ENERGY_X
)
l_Flux
(char)
Limit flag on Flux
(Note 4)
(
meta.code.error;phot.flux
)
(
CODE_LIMIT
)
Flux
10-12cm-2/s
[1.5/9.3] Flux measured above the energy threshold
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
e_Flux
10-12cm-2/s
(n)
[0.3/1.1] Flux uncertainty
(
stat.error;phot.flux
)
(
ERROR
)
f_Flux
(char)
[gh] Flag on Flux
(Note 5)
(
meta.code
)
(
CODE_MISC
)
l_Lum
(char)
Limit flag on Lum
(Note 4)
(
meta.code.error
)
(
CODE_LIMIT
)
Lum
10+36W
[0.6/68.5] VHE gamma-ray luminosity over 200GeV; in 10
43
erg/s units
(
phys.luminosity;em.gamma
)
(
PHYS_LUMINOSITY_GAMMA
)
e_Lum
10+36W
(n)
[0.2/4.8] Lum uncertainty
(
stat.error
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
VHE?
(char)
[YNH] Source detection status at very high-energy (E>100GeV) gamma-rays
(Note 6)
(
meta.code
)
(
CODE_MISC
)
n_Name
(char)
[c] Note on Name
(Note 7)
(
meta.note
)
(
NOTE
)
MJDSt
d
[55641/57775] Start date of observation
(
time.epoch
)
(
TIME_DATE
)
MJDEnd
d
[55649/58055] End date of observation
(
time.epoch
)
(
TIME_DATE
)
F2-10keV
10-15W/m2
[1.5/45.5] Swift-XRT 2-10keV X-ray flux during MAGIC observation window
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
e_F2-10keV
10-15W/m2
[0.03/1.2] F2-10keV uncertainty
(
stat.error
)
(
ERROR
)
Gamma
[1.4/2.2] Spectral index
(
spect.index
)
(
SPECT_SP-INDEX
)
e_Gamma
[0.02/0.2] Gamma uncertainty
(
stat.error
)
(
ERROR
)
beta
(n)
[0.2/0.6] Curvature parameter of the log-parabola model
(
stat.param;meta.modelled
)
(
MODEL_PARAM
)
e_beta
(n)
[0.04/0.2] beta uncertainty
(
stat.error
)
(
ERROR
)
chi2
[30.5/398] χ
2
fit
(
stat.fit.param;meta.modelled
)
(
FIT_CHI2
)
dof
[32/377] Degree of freedom
(
stat.fit.dof
)
(
STAT_N-DOF
)
GamEq
(n)
[1.9/2.4] Equivalent spectral index when the log parabola is the best-fit model
(
spect.index
)
(
SPECT_SP-INDEX
)
e_GamEq
(n)
[0.05/0.3] GamEq uncertainty
(
stat.error
)
(
ERROR
)
SED
SED interactive plot
(
meta.ref.url
)
(
DATA_LINK
)
spectrum
SimbadName
(char)
Designation understandable by the
Simbad
data-base
(
meta.id
)
(
ID_ALTERNATIVE
)
NED
ask the
NED
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
Adapt form
Display your selection only
Reset to default columns
Display
UCD1+
UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
elapse time 1