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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/MNRAS/274/1194
5994
Optical Identifications of ROSAT EUV Sources (Mason+ 1995)
ReadMe+ftp
1995MNRAS.274.1194M
Similar Catalogs
Post annotation
1.
J/MNRAS/274/1194/table1
WFC optical identification programme ID summary
(209 rows)
meta
J/MNRAS/274/1194/table1
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
recno
Record number assigned by the VizieR team. Should Not be used for identification.
(
meta.record
)
(
RECORD
)
Name
(char)
Source name
(
meta.id
)
(
ID_IDENTIFIER
)
l_S1
(char)
Limit flag on S1
(
meta.code.error
)
(
CODE_LIMIT
)
S1
ct/ks
(n)
WFC survey filter S1 (60-140A) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
l_S2
(char)
Limit flag on S2
(
meta.code.error
)
(
CODE_LIMIT
)
S2
ct/ks
(n)
WFC survey filter S2 (110-200A) counts
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
NH
10+20cm-2
(n)
Galactic Hydrogen column density
(
phys.columnDensity
)
(
PHYS_COLUMN_DENSITY
)
RAJ2000
"h:m:s"
(i)
Right ascension J2000
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
Declination J2000
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
n_DEJ2000
(char)
[g:] A 'g' indicates that the data are from the Hubble Space Telescope Guide Star Catalog
(
meta.note
)
(
NOTE
)
Vmag
mag
(n)
V magnitude of the optical counterpart
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
Vmag2
mag
(n)
Upper limit of Vmag when n_Vmag2='-'
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
u_Vmag
(char)
Uncertainty flag on Vmag
(
meta.code.error
)
(
CODE_ERROR
)
n_Vmag
(char)
Note on Vmag
(Note 1)
(
meta.note
)
(
NOTE
)
B-V
mag
(n)
B-V color index of the optical counterpart
(
phot.color;em.opt.B;em.opt.V
)
(
PHOT_CI_B-V
)
SpType
(char)
Spectral type of the optical counterpart
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
l_alpha
(char)
Limit flag on alpha
(
meta.code.error;pos.eq.ra
)
(
CODE_LIMIT
)
alpha
(n)
Source apparent EUV to optical flux ratio
(
phot.flux;arith.ratio
)
(
PHOT_FLUX_RATIO
)
Class
(char)
Identification class
(Note 2)
(
src.class
)
(
CLASS_OBJECT
)
EWCa
0.1nm
(n)
Equivalent width of the Ca H 3933A chromospheric emission line (for stars only)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
n_EWCa
(char)
[u-] Note on EWCa
(Note 3)
(
meta.note
)
(
NOTE
)
EWHa
0.1nm
(n)
Equivalent width of the Halpha line (for stars only)
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
n_EWHa
(char)
[?u-] Note on EWHa
(Note 3)
(
meta.note
)
(
NOTE
)
FWHb
10+3km/s
(n)
Full width at half maximum of the Hbeta line
(
spect.line.width
)
(
SPECT_LINE_WIDTH
)
EWHb
0.1nm
(n)
Equivalent width of the Hbeta line
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
u_EWHb
(char)
Uncertainty flag on EWHb
(
meta.code.error
)
(
CODE_ERROR
)
X
(char)
[y] y: there is an X-ray telescope position available for the source
(
meta.note
)
(
REMARKS
)
Note
(char)
[+] +: additional information in appena file
(
meta.note
)
(
NOTE
)
Com
(char)
Comments
(
meta.note
)
(
REMARKS
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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UCD1
https://cdsannotations.u-strasbg.fr/annotations/vizierTable//
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