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J/ApJ/871/193
7475
A combined Chandra & LAMOST study of stellar activity (He+, 2019)
ReadMe+ftp
2019ApJ...871..193H
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1.
J/ApJ/871/193/table1
X-ray information for the 484 stars in our sample
(1084 rows)
meta
J/ApJ/871/193/table1
Simple Constraint
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Constraints
applied on Columns
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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
)
CXOGSG
(char)
Object identifier from Wang+ 2016,
J/ApJS/224/40
(
meta.id;meta.main
)
(
ID_MAIN
)
ObsID
[13/16543] Chandra observation identifier
(
meta.id;obs.param;obs
)
(
OBS_ID
)
Det
(char)
Chandra ACIS detector
(
meta.note
)
(
INST_ID
)
Exp
s
[128/189850] Chandra exposure time after deadtime correction
(
time.duration;obs.exposure
)
(
TIME_EXPTIME
)
MJD
d
[51439/56755] Modified Julian Date at the beginning of observation (JD-2400000.5)
(
time.epoch
)
(
TIME_DATE
)
VigF
[0.008/1.1] Vignetting factor
(
instr.param
)
(
INST_CORR-FACTOR
)
l_CR
(char)
Limit flag on CR
(Note 1)
(
meta.code.error
)
(
CODE_LIMIT
)
CR
10+3ct/s
(n)
[0.02/177] Net count rate, 0.5-7keV
(
phot.count;em.X-ray
)
(
PHOT_COUNT-RATE_X
)
e_CR
10+3ct/s
(n)
[0.02/9.7] Lower uncertainty in CR
(
stat.error
)
(
ERROR
)
u_e_CR
(char)
Uncertainty flag on e_CR
(Note 2)
(
meta.code.error
)
(
CODE_ERROR
)
E_CR
10+3ct/s
(n)
[0.04/9.7] Upper uncertainty in CR
(
stat.error;stat.max
)
(
ERROR
)
l_Flux
(char)
Limit flag on Flux
(Note 1)
(
meta.code.error;phot.flux
)
(
CODE_LIMIT
)
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
)
e_Flux
10-15mW/m2
(n)
[0.01/47] Lower uncertainty in Flux
(
stat.error;phot.flux
)
(
ERROR
)
u_e_Flux
(char)
Uncertainty flag on e_Flux
(Note 2)
(
meta.code.error
)
(
CODE_ERROR
)
E_Flux
10-15mW/m2
(n)
[0.02/47] Upper uncertainty in Flux
(
stat.error;stat.max
)
(
ERROR
)
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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