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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/ApJ/657/706
1631
EGRET blazar gamma-ray spectrum (Nandikotkur+, 2007)
ReadMe+ftp
2007ApJ...657..706N
Similar Catalogs
Post annotation
1.
J/ApJ/657/706/table2
(c)
Photon Spectral index (30MeV-10GeV), average flux (>100MeV) and Log(synchrotron peak frequency) of blazars detected by EGRET
(98 rows)
meta
J/ApJ/657/706/table2
2.
J/ApJ/657/706/table3
Gamma-ray photon spectral index (30MeV-10GeV) and flux (>100MeV) of blazars that were bright and were observed multiple times by EGRET
(151 rows)
meta
J/ApJ/657/706/table3
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
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-
)
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Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
Name
(char)
(i)
Source name (HHMM+DDd or HHMM+DDMM) QSO BHHMM+DDd in Simbad
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
n_Name
(char)
[*] 0804+499 also named 0809+483
(
meta.note
)
(
NOTE
)
(1)
u_Name
(char)
[?] Possible EGRET identification?
(
meta.code.error
)
(
CODE_ERROR
)
(1)
RAJ2000
deg
(i)
Right Ascension decimal degrees (J2000)
(Note 2)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
DEJ2000
deg
(i)
Declination in decimal degrees (J2000)
(Note 2)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(ALL)
alpha
(n)
Spectral index
(Note G1)
(
spect.index
)
(
SPECT_SP-INDEX
)
(ALL)
e_alpha
(n)
Uncertainty in alpha
(
stat.error;pos.eq.ra
)
(
ERROR
)
(1)
f_alpha
(char)
[e] alpha during a flare
(Note 4)
(
meta.code
)
(
CODE_MISC
)
(ALL)
Flux
10-4/m2/s
Average flux at >100MeV
(Note G2)
(
phot.flux.density;em.gamma.hard
)
(
PHOT_FLUX_GAMMA
)
(ALL)
e_Flux
10-4/m2/s
Uncertainty in Flux
(Note G2)
(
stat.error;phot.flux
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
lognu
[Hz]
(n)
Log of the synchrotron peak frequency
(Note 6)
(
em.freq;stat.max
)
(
OBS_FREQUENCY
)
(1)
e_lognu
[Hz]
(n)
Uncertainty in lognu
(
stat.error
)
(
ERROR
)
(1)
M
(char)
[Y/N] Multiple observations?
(Note 7)
(
meta.code
)
(
CODE_MISC
)
(1)
Class
(char)
Classification
(Note 8)
(
meta.code.class
)
(
CLASS_CODE
)
(1)
Simbad
(char)
ask the
Simbad
data-base about this object
(
DATA_LINK
)
(ALL)
OName
(char)
Other name
(
meta.id
)
(
ID_ALTERNATIVE
)
(2)
Dates
(char)
Start date(s)
(
time.start
)
(
TIME_DATE
)
(2)
Period
(char)
Viewing periods pooled
(
meta.note
)
(
TIME_PERIOD
)
(2)
Fig3
(char)
Graph label in Figure 3
(Note 2)
(
meta.bib.fig
)
(
ID_FIGURE
)
(2)
f_Fig3
(char)
[b] Fraction of the viewing period
(Note 3)
(
meta.code
)
(
CODE_MISC
)
(2)
sigma
(n)
Detection significance
(
stat.fit.goodness
)
(
STAT_SIGNIFICANCE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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