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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
VII/181
39044
X-ray of active galaxies and nuclei (Della Ceca+, 1990)
ReadMe+ftp
1990ApJS...72..471D
Similar Catalogs
Post annotation
1.
VII/181/table2
(c)
Catalog for PG Quasars
(473 rows)
meta
VII/181/table2
2.
VII/181/table3
(c)
Catalog for Seyfert 1 and 1.5 galaxies
(557 rows)
meta
VII/181/table3
3.
VII/181/table4
(c)
Catalog for Seyfert 2 galaxies
(27 rows)
meta
VII/181/table4
4.
VII/181/table5
(c)
Catalog for BL Lacertae objects
(664 rows)
meta
VII/181/table5
5.
VII/181/table6
(c)
Other names of PG Quasars
(259 rows)
meta
VII/181/table6
6.
VII/181/table7
(c)
Other names of Seyfert 1 and 1.5 galaxies
(401 rows)
meta
VII/181/table7
7.
VII/181/table8
(c)
Other names of Seyfert 2 galaxies
(123 rows)
meta
VII/181/table8
8.
VII/181/table9
(c)
Other names of BL Lac objects
(246 rows)
meta
VII/181/table9
Xmatch is
on
off
Radius:
arcsec
Master table:
all - matching rows only
VII/181/table2
VII/181/table3
VII/181/table4
VII/181/table5
VII/181/table6
VII/181/table7
VII/181/table8
VII/181/table9
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
Show
Sort
Join tables
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join
Column
Constraint
Explain
(
UCD
)
(ALL)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
(ALL)
RA1950
"h:m:s"
(i)
Right ascension 1950
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(ALL)
DE1950
"d:m:s"
(n)
(i)
Declination sign
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(1+2+3+4)
Name
(char)
PG name (Schmidt and Green 1983). For other names see table6
(
meta.id;meta.main
)
(
ID_MAIN
)
(1+2+3+4)
z
[]? Redshift (Schmidt and Green 1986)
(
src.redshift
)
(
REDSHIFT_HC
)
(1+2+3+4)
Bmag
mag
[]? B magnitudes (Schmidt and Green 1983)
(
phot.mag;em.opt.B
)
(
PHOT_MAG_B
)
(1+2+3+4)
Instr
(char)
Instrument or experiment by which the measurement was taken.
(Note 1)
(
meta.id;instr
)
(
INST_ID
)
(1+2+3+4)
E1
keV
[]? Lowest value of the spectral window (3)
(Note 3)
(
instr.bandwidth;stat.min
)
(
INST_BANDWIDTH
)
(1+2+3+4)
n_E1
(char)
A '-' indicates the spectral window
(
meta.note
)
(
NOTE
)
(1+2+3+4)
E2
keV
[]? Highest value of the spectral window (E1_E2) when n_E = '-' (3)
(Note 3)
(
instr.bandwidth;stat.max
)
(
INST_BANDWIDTH
)
(1+2+3+4)
n_Flux
(char)
[*] Note (MED1.05 for flux MKN 421, A5SSI)
(
meta.note
)
(
NOTE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1+2+3+4)
l_Flux
(char)
[~<] Limit flag on flux
(
meta.code.error
)
(
CODE_LIMIT
)
(1+2+3+4)
Flux
[]? Flux measured in the energy band E1-E2 or monochromatic at a given energy, according to column E1-E2
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1+2+3+4)
Flux2
[]? Higest value of flux interval when n_Flux = '-'
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1+2+3+4)
u_Flux
(char)
[)] Uncertainty flag on flux interval
(
meta.code.error
)
(
CODE_ERROR
)
(1+2+3+4)
e_Flux
[]? Rms uncertainty on Flux
(
stat.error
)
(
ERROR
)
(1+2+3+4)
u_e_Flux
(char)
[)] Uncertainty flag on e_flux
(
meta.code.error
)
(
CODE_ERROR
)
(1+2+3+4)
x_Flux
(char)
Units in which the quantities reported in the two previous columns are measured.
(Note 2)
(
meta.unit
)
(
UNITS
)
(1+2+3+4)
l_Flux0
(char)
[~<] Limit flag on Flux0
(
meta.code.error
)
(
CODE_LIMIT
)
(1+2+3+4)
Flux0
mW/m2
[]? Flux from reference in column ref. If the flux in column E1 is monochromatic the physical units here will be mW/m2/Hz
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1+2+3+4)
n_Flux0
(char)
A '-' indicates an interval of flux
(
meta.note
)
(
NOTE
)
(1+2+3+4)
Flux02
[]? Highest value of flux interval when n_Flux0= '-'
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1+2+3+4)
u_Flux0
(char)
[)] Uncertainty flag on flux interval
(
meta.code.error
)
(
CODE_ERROR
)
(1+2+3+4)
e_Flux0
mW/m2
[]? Rms uncertainty on Flux0 or upper limit of error on Flux0 if n
e
Flux0='-' (in units of Flux0)
(
stat.error
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1+2+3+4)
n_e_Flux0
(char)
[-] A '-' indicates an interval uncertainty on Flux0
(
meta.note
)
(
NOTE
)
(1+2+3+4)
e(Flux0)l
mW/m2
[]? Error on Flux0 (lower limit)
(
stat.error
)
(
ERROR
)
(1+2+3+4)
ref.
(char)
Number codes to references, explained in file "ref.num"
(Note 4)
(
meta.ref
)
(
REFER_CODE
)
(1+2+3+4)
A-2
[]? A-2 flux measured in R15 counts
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1+2+3+4)
n_A-2
(char)
The flags "c" and "L" indicate contamination from a nearby bright X-ray source and low galactic latitude (|b|<20 deg), respectively.
(
meta.note
)
(
NOTE
)
(1+2+3+4)
e_A-2
[]? Rms uncertainty on A-2
(
stat.error
)
(
ERROR
)
(1+2+3+4)
ObsTime
d
[]? Average observation time (in days of the year 1977) during the first six-month all-sky survey completed by the HEAO-1 spacecraft
(
time.epoch
)
(
TIME_DATE
)
(5+6+7+8)
Note
(char)
See note
(Note 1)
(
meta.note
)
(
NOTE
)
(5+6+7+8)
Opt.
(char)
Names from optical catalogues
(
meta.id
)
(
ID_ALTERNATIVE
)
(5+6+7+8)
Radio
(char)
Names from radio catalogues
(
meta.id
)
(
ID_ALTERNATIVE
)
(5+6+7+8)
X-ray
(char)
Names from X-ray catalogues
(
meta.id
)
(
ID_ALTERNATIVE
)
(5+6+7+8)
IRAs
(char)
IRAS name from positional coincidence
(
meta.id
)
(
ID_IDENTIFIER
)
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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