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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/A+A/661/A44
-1
A first eROSITA view of ultracool dwarfs (Stelzer+, 2022)
ReadMe+ftp
2022A&A...661A..44S
Similar Catalogs
Post annotation
1.
J/A+A/661/A44/table1
(c)
Basic X-ray parameters from the eRASS1 catalog for our sample of the UCDs and UCD candidates
(96 rows)
meta
J/A+A/661/A44/table1
2.
J/A+A/661/A44/table2
Multi-wavelength properties of the UCDs and UCD candidates identified as bona-fide or plausible counterparts to an eRASS1 X-ray source
(58 rows)
meta
J/A+A/661/A44/table2
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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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)
GaiaDR2
Gaia DR2 (Cat.
I/345
) designation (source_id)
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
RAJ2000
deg
(i)
Right ascension of the boresight corrected eRASS1 positions (J2000) (ra_corr)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
DEJ2000
deg
(i)
Declination of the boresight corrected eRASS1 positions (J2000) (dec_corr)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(1)
ePos
arcsec
Error on the eRASS1 positions (delta_radec)
(
stat.error
)
(
ERROR
)
(1)
SepOX
arcsec
Separation between the proper motion corrected optical positions and the X-ray positions (sep_ox)
(
pos.angDistance
)
(
POS_ANG_DIST_GENERAL
)
(1)
Rate
ct/s
Broad band (0.2-5.0 keV) source count rates (rate)
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
(1)
e_Rate
ct/s
Error on the broad band (0.2-5.0keV) source count rates (err_rate)
(
stat.error
)
(
ERROR
)
(1)
DetML
Maximum likelihood for the X-ray detection in the broad band (col. DET
LIKE
0 from eRASS1cat) (detml)
(
stat.likelihood
)
(
STAT_LIKELIHOOD
)
(1)
funiqucd
(char)
Flag for UCDs being the unique Gaia counterparts to the eRASS1 source (flag
uniq
ucd)
(
meta.code
)
(
CODE_MISC
)
(1)
fcpm
(char)
Flag for common proper motion pairs involving an UCD or UCD candidate (flag_cpm)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(i)
indexed column
(1)
fxdata
(char)
Flag for objects with archival X-ray detections (flag_xdata)
(
meta.code
)
(
CODE_MISC
)
(1)
fbfucd
(char)
Flag for UCDs considered as 'bona-fide' counterparts to the eRASS1 sources (flag
bona
fide_ucd)
(
meta.code
)
(
CODE_MISC
)
(1)
fplucd
(char)
Flag for UCDs considered as 'plausible' counterparts to the eRASS1 sources (flag
plausible
ucd)
(
meta.code
)
(
CODE_MISC
)
(1)
iCat
(char)
Original input catalog (iCat)
(Note 1)
(
meta.bib
)
(
REFER_CODE
)
(1)
Simbad
(char)
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
(2)
Gmag
mag
G-band magnitude from the Gaia DR2 catalog (Gmag)
(
phot.mag;em.opt
)
(
PHOT_MAG_OPTICAL
)
(2)
Jmag
mag
J-band magnitude from the 2MASS (Cat.
II/246
) catalog (Jmag)
(
phot.mag;em.IR.J
)
(
PHOT_MAG_J
)
(2)
W1mag
mag
(n)
W1-band magnitude from the AllWISE (Cat.
II/328
) catalog (W1mag)
(
phot.mag;em.IR.3-4um
)
(
PHOT_IR_3.4
)
(2)
SpTypeopt
(char)
Spectroscopic spectral type in visual bandpass (spt_opt)
(Note 1)
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
(2)
SpTypeph
(char)
Photometric spectral type from the G-J color index (spt_photo)
(Note 2)
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
(2)
Dist
pc
Distance from Bailer-Jones et al. (2018, Cat.
I/347
) (dist)
(
pos.distance
)
(
PHYS_DISTANCE_TRUE
)
(2)
e_Dist
pc
Lower error on the distance estimated by Bailer-Jones et al. (2018) (elo_dist)
(
stat.error
)
(
ERROR
)
(2)
E_Dist
pc
Upper error on the distance estimated by Bailer-Jones et al. (2018) (eup_dist)
(
stat.error;stat.max
)
(
ERROR
)
(2)
logLX
[10-6W]
log of Lx for the eROSITA band 1+2 (LogLx)
(Note 3)
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
(2)
logLX/Lbol
[-]
log of the ratio between the eROSITA LX and Lbol from Filippazzo et al. (
2015ApJ...810..158F
) (LogLxLbol)
(
phys.luminosity;arith.ratio
)
(
PHYS_LUMINOSITY_RATIO
)
(2)
fyoung
(char)
Flag for young star (flag_young)
(Note 4)
(
meta.code
)
(
CODE_MISC
)
(2)
ryoung
(char)
Reference on young star (ref_young)
(
meta.bib
)
(
REFER_CODE
)
(2)
fbinary
(char)
Flag for binary system (flag_binary)
(Note 4)
(
meta.code
)
(
CODE_MISC
)
(2)
rbinary
(char)
Reference on binary system (ref_binary)
(
meta.bib
)
(
REFER_CODE
)
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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