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VizieR

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J/ApJ/835/223/xgal A catalog of nearby galaxies with Chandra obs. (She+, 2017)
General and X-ray properties for galaxies in our sample (tables 1 and 2) (719 rows)
  recno=211
Post annotation about this record
ColumnValue  Explain   (UCD)
_RAJ200003 36 39.0800 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-20 54 08.100 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195003 34 26.0277 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-21 03 58.820 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon212.7016049 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-51.9307601 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
211recno 211  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq211  Running sequence number (meta.id)
NameNGC 1377  (i) Object Name (meta.id;meta.main)

F   Display the fitting results for this galaxy (table 4) (meta.ref.url)

Dist25.700 Mpc [0.02/50] Distance from NED (pos.distance;pos.heliocentric)
RAJ200003 36 39.08 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-20 54 08.1 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
Class   Nuclear spectral classification (Note 1)   (spect.index)
HTypeS0^0  Hubble Type from NED (meta.note;src.morph.type)
Sigma  km/s [17/414] Central velocity dispersion (Note 2)   (phys.veloc.dispersion)
e_Sigma  km/s [1/41] Error in sigma (stat.error)
logLHa  [10-7W] [34.9/41.6] Log of Halpha luminosity (Note 3)   (phys.luminosity;em.line.Halpha)
n_logLHa   Note(s) on logLHa (Note 4)   (meta.note)
logMBH  [Msun] [2/10] Log of Black Hole mass (Note 5)   (phys.mass)
b_logMBH  [Msun] [1/10] Lower limit of logMBH (phys.mass;stat.min)
B_logMBH  [Msun] [3/11] Upper limit of logMBH (phys.mass;stat.max)
NH0 0.0210 10-22/cm2 [0.004/0.8] Galactic absorption column density (phys.columnDensity)

HCat 0  Display data from Ho+, 1997, J/ApJS/112/315 and 2009, J/ApJS/183/1, within 10" (meta.ref.url)
SimbadNameNGC 1377  Designation understandable by the Simbad data-base (meta.id)
NEDNED  ask the NED data-base about this object (meta.ref.url)

ObsID16086  Chandra Observation identifier (meta.id;obs.param;obs)
InstACIS-S  Instrument used in Chandra observation ("ACIS-S", 623 occurrences or "ACIS-I") (instr.setup;obs)
Exp 44.0 ks [1/190] Exposure of the observation (obs.param;obs)
Sep  arcsec [0.05/2.7] Offset between X-ray source and galaxy center (pos.angDistance)
AGNN  AGN flag: "Y"=yes (314 occurrences) or "N"=No (meta.code.class)
H0    [-1/1] Hardness ratio H0: (hard-soft-medium)/full (Note 1)   (phot.flux;arith.ratio)
e_H0    [0.001/0.4] Error of H0 (stat.error)
H1    [-0.7/0.8] Hardness ratio H1: (medium-soft)/full (Note 1)   (phot.flux;arith.ratio)
e_H1    Error of H1 (stat.error)
H2    [-0.6/1] Hardness ratio H2: (hard-medium)/full (Note 1)   (phot.flux;arith.ratio)
e_H2    Error of H2 (stat.error)
NH  10+22/cm2 [0.3/9.1] Intrinsic absorption inferred from hardness ratio (phys.columnDensity)
b_NH  10+22/cm2 [0.01/8] Lower limit in NH (phys.columnDensity;stat.min)
B_NH  10+22/cm2 [0.01/27] Upper limit in NH (phys.columnDensity;stat.max)
Flux  10-17W/m2 [0.08/17100] Observed flux in 2-10keV (phot.flux;em.X-ray)
b_Flux  10-17W/m2 [0/16800] Lower limit in Flux (phot.flux;stat.min)
B_Flux 0.25 10-17W/m2 [0.01/17400] Upper limit in Flux (phot.flux;stat.max)
logLX  [10-7W] [35/44] Log of 2-10keV luminosity; in erg/s (phys.luminosity;em.X-ray)
b_logLX  [10-7W] [35/43] Lower limit in LogLX (phys.luminosity;em.X-ray;stat.min)
B_logLX37.51 [10-7W] [30/43] Upper limit in LogLX (phys.luminosity;em.X-ray;stat.max)
n_logLX G1.8  Note on luminosity or references for sources suffering from pileup (Note G1)   (meta.note)
  
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