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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
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deg
arcmin
arcsec
NB: The epoch used for the query is the original epoch of the table(s)
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J/AJ/143/145
2495
Emission-line objects from ALFALFA Hα survey (Kellar+, 2012)
ReadMe+ftp
2012AJ....143..145K
Similar Catalogs
Post annotation
1.
J/AJ/143/145/Ha_dot
Hα dot candidates-observed properties, spectroscopic results and derived quantities
(tables 2, 3 and 4)
(61 rows)
meta
J/AJ/143/145/Ha_dot
Simple Constraint
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Constraints
applied on Columns
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)
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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
)
Dot
[1/61] Hα dot candidate number <
[KSW2012] NNN
> in Simbad
(Note G1)
(
meta.id;meta.main
)
(
ID_MAIN
)
f_Dot
(char)
[s] Multiple detections
(Note G2)
(
meta.code
)
(
CODE_MISC
)
RAJ2000
"h:m:s"
(i)
Hour of Right Ascension (J2000)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
"d:m:s"
(i)
Degree of Declination (J2000)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
Dmag
mag
Difference between the instrumental R and Hα magnitudes
(Note 1)
(
phot.mag;em.line.Halpha
)
(
PHOT_DIFF_MAG
)
Ratio
Ratio of the magnitude difference Dmag to the magnitude difference error
(Note 2)
(
stat.fit.goodness
)
(
STAT_SIGNIFICANCE
)
Flux
10-17W/m2
The measured emission-line flux as measured from the continuum-subtracted narrowband images (in 10
–14
erg/s/cm
2
)
(
phot.flux
)
(
SPECT_FLUX_VALUE
)
e_Flux
10-17W/m2
Error in Flux (in 10
–14
erg/s/cm
2
)
(
stat.error;phot.flux
)
(
ERROR
)
Rmag
mag
[15.83/22.64] The measured broadband R magnitude; VEGA system
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
e_Rmag
mag
Error in Rmag
(
stat.error;phot.mag;em.opt.R
)
(
ERROR
)
ALL
cols
(i)
indexed column
ELG
(char)
Emission-line galaxy type
(Note 3)
(
src.class
)
(
CLASS_OBJECT
)
z
(n)
Spectroscopic redshift, derived from the average redshift all strong emission lines (typical uncertainties are 15-30km/s)
(
src.redshift
)
(
REDSHIFT_HC
)
cHb
(n)
Decimal reddening coefficient c
Hβ
, derived from the Balmer-line ratio Hα/Hβ
(
phot.color.excess
)
(
PHOT_COLOR_EXCESS
)
W(Ha)
0.1nm
(n)
Equivalent width of the Hα line
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
W(O3)
0.1nm
(n)
Equivalent width of the [OIII] line
(
spect.line.eqWidth
)
(
SPECT_EQ-WIDTH
)
log(N2/Ha)
[---]
(n)
Key reddening-corrected emission-line ratio log([NII]λ6583/Hα)
(Note 4)
(
spect.line.intensity;arith.ratio
)
(
SPECT_INTENSITY_RATIO
)
f_log(N2/Ha)
(char)
[*] Unreliable log([NII]/Ha)
(Note 5)
(
meta.code
)
(
CODE_MISC
)
log(O3/Hb)
[---]
(n)
Key reddening-corrected emission-line ratio log([OIII]λ5007/Hβ)
(Note 4)
(
spect.line.intensity;arith.ratio
)
(
SPECT_INTENSITY_RATIO
)
f_log(O3/Hb)
(char)
[*] Unreliable log([OIII]/Hb)
(Note 5)
(
meta.code
)
(
CODE_MISC
)
log(O2/Hb)
[---]
(n)
Key reddening-corrected emission-line ratio log([OII]λ3727/Hβ)
(Note 4)
(
spect.line.intensity;arith.ratio
)
(
SPECT_INTENSITY_RATIO
)
f_log(O2/Hb)
(char)
[*] Unreliable log([OII]/Hb)
(Note 5)
(
meta.code
)
(
CODE_MISC
)
log(S2/Ha)
[---]
(n)
Key reddening-corrected emission-line ratio log([SII]λλ6717, 6731/Hα)
(Note 4)
(
spect.line.intensity;arith.ratio
)
(
SPECT_INTENSITY_RATIO
)
f_log(S2/Ha)
(char)
[*] Unreliable log([SII]/Ha)
(Note 5)
(
meta.code
)
(
CODE_MISC
)
[O/H]
[Sun]
(n)
Metallicity (log(O/H)+12) (see Section 6.2)
(
phys.abund
)
(
PHYS_ABUND_MISC
)
Dist
Mpc
(n)
Distance
(
pos.distance;pos.heliocentric
)
(
POS_GAL_HC
)
RMag
mag
(n)
Absolute R magnitude
(
phot.mag;em.opt.R
)
(
PHOT_MAG_R
)
log(LHa)
[10-7W]
(n)
The Hα luminosity log(L
Hα
) (in erg/s)
(Note 6)
(
phys.luminosity;em.line.Halpha
)
(
PHYS_LUMINOSITY_HALPHA
)
SFR
Msun/yr
(n)
Star-formation rate
(Note 7)
(
phys.SFR
)
(
PHYS_STAR-FORM_RATE
)
DV
km/s
(n)
Velocity difference
(Note 8)
(
phys.veloc;arith.diff
)
(
VELOC_DIFF
)
DR
Mpc
(n)
Physical separation distance
(Note 8)
(
pos.distance
)
(
PHYS_DISTANCE_TRUE
)
Simbad
ask the
Simbad
data-base about this object
(
meta.ref.url
)
(
DATA_LINK
)
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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