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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)
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J/ApJ/871/193
7475
A combined Chandra & LAMOST study of stellar activity (He+, 2019)
ReadMe+ftp
2019ApJ...871..193H
Similar Catalogs
timeSerie
Post annotation
1.
J/ApJ/871/193/stars
(c)
LAMOST (Table 2) and key results (Table 3) for the stars in our sample
[timeSerie]
(484 rows)
meta
J/ApJ/871/193/stars
2.
J/ApJ/871/193/table1
X-ray information for the 484 stars in our sample
(1084 rows)
meta
J/ApJ/871/193/table1
3.
J/ApJ/871/193/table4
Stars with Hα emission lines in our sample
(24 rows)
meta
J/ApJ/871/193/table4
4.
J/ApJ/871/193/table5
Stars with X-ray flares in our sample
(12 rows)
meta
J/ApJ/871/193/table5
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
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)
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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
)
(1)
Nx
(n)
Number of X-ray measurements for this star (link to Table 1)
(
meta.number
)
(
NUMBER
)
(ALL)
CXOGSG
(char)
(i)
Object identifier from Wang+ 2016,
J/ApJS/224/40
(
meta.id;meta.main
)
(
ID_MAIN
)
(1)
Ha
(char)
Display the Hα data for this star (link to Table 4)
(
meta.ref.url
)
(
DATA_LINK
)
(1)
Xfl
(n)
1: this star has X-ray flare data (link to Table 5)
(
meta.ref.url
)
(
DATA_LINK
)
(1+4)
SpT
(char)
Spectral type subclass
(Note 1)
(
src.spType
)
(
SPECT_TYPE_MK
)
(1)
Teff
K
[3586/8925] Stellar effective temperature
(Note 2)
(
phys.temperature.effective
)
(
PHYS_TEMP_EFFEC
)
(1)
e_Teff
K
[58/493] Uncertainty in Teff
(
stat.error;phys.temperature.effective
)
(
ERROR
)
(1)
logg
[cm/s2]
[1.8/5.6] log of surface gravity
(Note 2)
(
phys.gravity
)
(
PHYS_GRAVITY_SURFACE
)
(1)
e_logg
[cm/s2]
[0.06/0.33] Uncertainty in logg
(
stat.error
)
(
ERROR
)
(1)
E(B-V)
mag
[0/1] Extinction
(Note 2)
(
phot.color.excess
)
(
PHOT_COLOR_EXCESS
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
[Fe/H]
[-]
(n)
[-1.8/0.71] Metallicity
(Note 2)
(
phys.abund.Z
)
(
PHYS_ABUND_FE/H
)
(1)
e_[Fe/H]
[-]
(n)
[0.06/0.41] Uncertainty in [Fe/H]
(
stat.error;phys.abund.Fe
)
(
ERROR
)
(1)
[alpha/Fe]
[-]
(n)
[-0.39/0.5] alpha element abundance relative to Fe
(Note 2)
(
phys.abund
)
(
PHYS_ABUND_MISC
)
(1)
e_[alpha/Fe]
[-]
(n)
[0.03/0.15] Uncertainty in [alpha/Fe]
(
stat.error;phys.abund
)
(
ERROR
)
(1)
Dist
pc
[21/5604] Distance
(Note 2)
(
pos.distance
)
(
PHYS_DISTANCE_TRUE
)
(1)
e_Dist
pc
[2/1399] Uncertainty in Dist
(
stat.error
)
(
ERROR
)
(1)
Age
Gyr
(n)
[0.36/16] Stellar Age
(Note 3)
(
time.age
)
(
TIME_AGE
)
(1)
e_Age
Gyr
(n)
[0.12/4.3] Uncertainty in Age
(
stat.error;time.age
)
(
ERROR
)
(1)
Mass
Msun
(n)
[0.85/2.71] Stellar Mass
(Note 3)
(
phys.mass
)
(
PHYS_MASS_MISC
)
(1)
e_Mass
Msun
(n)
[0.04/0.41] Uncertainty in Mass
(
stat.error;phys.mass
)
(
ERROR
)
(1)
Vmag
mag
[8.6/17.3] Extinction-corrected V-band magnitude
(
phot.mag;em.opt.V
)
(
PHOT_MAG_V
)
(1)
e_Vmag
mag
[0.09/1] Uncertainity on Vmag
(
stat.error;phot.mag
)
(
ERROR
)
(1)
r_Vmag
(char)
Source of V-band magnitude
(Note 5)
(
meta.ref;pos.frame
)
(
REFER_CODE
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
Mbol
mag
[-3.1/11] Bolometric magnitude
(
phot.mag.bol
)
(
PHOT_BOL_MAG
)
(1)
uFlux
10-15mW/m2
[0.02/10072] Unabsorbed 0.3-8keV X-ray flux in 10
–15
erg/cm2/s units
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(1)
e_uFlux
10-15mW/m2
[0.02/1964] Uncertainty in uFlux
(
stat.error
)
(
ERROR
)
(1)
LumX
10-7W
[4.5e+25/7.5e+32] 0.3-8keV X-ray luminosity in erg/s units
(
phys.luminosity;em.X-ray
)
(
PHYS_LUMINOSITY_X
)
(1)
e_LumX
10-7W
[4.9e+25/4.7e+32] Uncertainty in LumX
(
stat.error
)
(
ERROR
)
(1)
logRx
[-]
[-6.6/-1.9] log, X-ray-to-bolometric luminosity ratio
(
phys.luminosity;arith.ratio
)
(
PHYS_LUMINOSITY_RATIO
)
(1)
e_logRx
[-]
[0.09/1.2] Uncertainty in logRx
(
stat.error
)
(
ERROR
)
(1)
HR
[-1.2/1.4] Hardness ratio
(Note 4)
(
phot.flux;arith.ratio
)
(
SPECT_HARDNESS-RATIO
)
(1)
e_HR
[0.01/2.3] Uncertainty in HR
(
stat.error
)
(
ERROR
)
(1)
LC
(char)
Interactive Plot (if more than 4 X-ray measurements)
(
meta.ref.url
)
(
DATA_LINK
)
(1)
LAMOST
(char)
Display the LAMOST -DR1 (
V/146
) and -DR4 data (
V/153
) within 3"
(
meta.ref.url
)
(
DATA_LINK
)
(1)
UCAC4
(char)
Display the UCAC4 data (Zacharias+ 2012,
I/153
) within 3"
(
meta.ref.url
)
(
DATA_LINK
)
(1)
PS1
(char)
Display the PS1 data (Chambers+ 2016,
II/349
) within 1.5"
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(1)
Simbad
(char)
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
(1)
_RA
deg
(i)
Positions from CXOGSG names (right ascension part)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
(1)
_DE
deg
(i)
Positions from CXOGSG names (declination part)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
(2+4)
ObsID
[13/16543] Chandra observation identifier
(
meta.id;obs.param;obs
)
(
OBS_ID
)
(2)
Det
(char)
Chandra ACIS detector
(
meta.note
)
(
INST_ID
)
(2)
Exp
s
[128/189850] Chandra exposure time after deadtime correction
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
(2)
MJD
d
[51439/56755] Modified Julian Date at the beginning of observation (JD-2400000.5)
(
time.epoch
)
(
TIME_DATE
)
(2)
VigF
[0.008/1.1] Vignetting factor
(
instr.param
)
(
INST_CORR-FACTOR
)
(2)
l_CR
(char)
Limit flag on CR
(Note 1)
(
meta.code.error
)
(
CODE_LIMIT
)
(2)
CR
10+3ct/s
(n)
[0.02/177] Net count rate, 0.5-7keV
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
(2)
e_CR
10+3ct/s
(n)
[0.02/9.7] Lower uncertainty in CR
(
stat.error
)
(
ERROR
)
(2)
u_e_CR
(char)
Uncertainty flag on e_CR
(Note 2)
(
meta.code.error
)
(
CODE_ERROR
)
(2)
E_CR
10+3ct/s
(n)
[0.04/9.7] Upper uncertainty in CR
(
stat.error;stat.max
)
(
ERROR
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
(2)
l_Flux
(char)
Limit flag on Flux
(Note 1)
(
meta.code.error;phot.flux
)
(
CODE_LIMIT
)
(2)
Flux
10-15mW/m2
(n)
[0.01/848] Absorbed X-ray flux, 0.5-7keV in 10
–15
erg/cm
2
/s units
(
phot.flux;em.X-ray
)
(
PHOT_FLUX_X
)
(2)
e_Flux
10-15mW/m2
(n)
[0.01/47] Lower uncertainty in Flux
(
stat.error;phot.flux
)
(
ERROR
)
(2)
u_e_Flux
(char)
Uncertainty flag on e_Flux
(Note 2)
(
meta.code.error
)
(
CODE_ERROR
)
(2)
E_Flux
10-15mW/m2
(n)
[0.02/47] Upper uncertainty in Flux
(
stat.error;stat.max
)
(
ERROR
)
(3)
EW
0.1nm
[0.35/9] Equivalent Width, Hα
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
(3)
e_EW
0.1nm
[0.02/0.33] Uncertainty in EW
(
stat.error;spect.line.eqWidth
)
(
ERROR
)
(3)
EWp
0.1nm
[1.9/9.7] Excess Hα equivalent width over chromospheric emission
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
(3)
logRHa
[-4/-3.2] log, Hα emission index, LHα/Lbol
(
spect.index
)
(
SPECT_INDEX_HALPHA
)
(3)
e_logRHa
[0.03/0.11] Uncertainty in logRHa
(
stat.error
)
(
ERROR
)
(4)
l_dT
(char)
[>] Limit flag on dT
(
meta.code.error
)
(
CODE_LIMIT
)
(4)
dT
s
[4000/43000] Flare duration
(
time.duration
)
(
TIME_INTERVAL
)
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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