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J/AJ/144/93
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J/AJ/144/93
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Compute
Distance ρ
Position angle θ
Distance (x,y)
Galactic
J2000
B1950
Ecl. J2000
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) or
Position
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J2000
B1975
B1950
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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/144/93
8961
Close white dwarf + M dwarf binaries (WD+dM) (Morgan+, 2012)
ReadMe+ftp
2012AJ....144...93M
Similar Catalogs
spectrum
Post annotation
1.
J/AJ/144/93/table
Parameters for 1756 close WD+dM pairs
[spectrum]
(1756 rows)
meta
J/AJ/144/93/table
Simple Constraint
List Of Constraints
Query by
Constraints
applied on Columns
(
Output Order:
+
-
)
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Column
Constraint
Explain
(
UCD
)
Seq
(i)
[0/1801] Catalog number
(
meta.id;meta.main
)
(
ID_MAIN
)
SDSS
(n)
SDSS DR7/DR8 objid
(
meta.id
)
(
ID_NUMBER
)
MJD
SDSS mjd number
(
time.epoch
)
(
TIME_DATE
)
Plate
SDSS plate number
(
meta.id;instr.plate
)
(
ID_PLATE
)
Fiber
SDSS fiberID
(
meta.note
)
(
ID_FIBER
)
GALEX
(n)
GALEX object ID
(
meta.id
)
(
ID_NUMBER
)
UKIDSS
(n)
UKIDSS object ID
(
meta.id
)
(
ID_NUMBER
)
RAJ2000
deg
(i)
SDSS Right ascension (J2000.0)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DEJ2000
deg
(i)
SDSS Declination (J2000.0)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
RAgdeg
deg
(n)
GALEX Right ascension (J2000.0)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
DEgdeg
deg
(n)
GALEX Declination (J2000.0)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
RAudeg
deg
(n)
UKIDSS Right ascension (J2000.0)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
DEudeg
deg
(n)
UKIDSS Declination (J2000.0)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
RA2deg
deg
(n)
2MASS Right ascension (J2000.0)
(
pos.eq.ra
)
(
POS_EQ_RA_OTHER
)
DE2deg
deg
(n)
2MASS Declination (J2000.0)
(
pos.eq.dec
)
(
POS_EQ_DEC_OTHER
)
Mt
[0/9.5] M dwarf spectral type
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
WD
(char)
White dwarf type: DA or DB
(
src.spType
)
(
SPECT_TYPE_GENERAL
)
Twd
K
[6000/100000] Effective temperature of White Dwarf
(
phys.temperature.effective
)
(
PHYS_TEMP_EFFEC
)
logg
[cm/s2]
[5/9] Surface gravity of White Dwarf
(
phys.gravity
)
(
PHYS_GRAVITY_SURFACE
)
Ha
[0/2] Hα Magnetic activity flag
(Note 1)
(
meta.code
)
(
CODE_MISC
)
EWHa
0.1nm
[-330/163] Hα equivalent width
(
spect.line.eqWidth;em.line.Halpha
)
(
SPECT_EQ-WIDTH
)
e_EWHa
0.1nm
Error on EWHa (limited to 10
3
at CDS)
(
stat.error
)
(
ERROR
)
HaS/N
[-4/108] Hα equivalent width S/N
(
stat.snr
)
(
INST_S/N
)
LHa/bol
[-1.e-2/0.08] Hα luminosity relative to bolometric luminosity
(
phys.luminosity;arith.ratio
)
(
PHYS_LUMINOSITY_RATIO
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
e_LHa/bol
Error on LHa/bol
(
stat.error
)
(
ERROR
)
VdM
km/s
[-992/609] M dwarf radial velocity
(
spect.dopplerVeloc;em.IR.4-8um
)
(
VELOC_HC
)
e_VdM
km/s
(n)
[4/620] Error on Vd
(
stat.error
)
(
ERROR
)
Vwd
km/s
[-325/566] WD radial velocity
(
spect.dopplerVeloc;pos.heliocentric
)
(
VELOC_HC
)
e_Vwd
km/s
(n)
[3/800] Error on Vwd
(
stat.error
)
(
ERROR
)
Vsys
km/s
[-450/800] System radial velocity
(
spect.dopplerVeloc;pos.heliocentric
)
(
VELOC_SYST_HC
)
e_Vsys
km/s
(n)
[2/451] Error on Vsys
(
stat.error
)
(
ERROR
)
Sep
AU
[0.002/100000] System separation
(
pos.angDistance
)
(
ORBIT_DISTANCE
)
e_Sep
AU
(n)
[0.001/] Error on Sep (limited to 10
5
AU ∼ 0.5pc at CDS)
(
stat.error
)
(
ERROR
)
Per
d
[0.04/] System orbital period (limited to 10
6
yr at CDS)
(
time.period
)
(
TIME_PERIOD
)
D
pc
(n)
[0/11261] Spectroscopic distance
(Note 2)
(
pos.distance;pos.parallax.spect
)
(
PHYS_DISTANCE_TRUE
)
Z
pc
(n)
[-2407/10441] Height above Galactic plane
(
pos.cartesian.z;pos.galactic
)
(
POS_GAL_Z
)
Tc
K
(n)
[6000/91000] WD effective temperature
(Note 3)
(
phys.temperature.effective
)
(
PHYS_TEMP_MISC
)
e_Tc
K
(n)
[181/6884] Error on Tc
(Note 3)
(
stat.error
)
(
ERROR
)
loggc
[cm/s2]
(n)
[7.4/9] WD gravity surface
(Note 3)
(
phys.gravity
)
(
PHYS_GRAVITY_SURFACE
)
e_loggc
[cm/s2]
(n)
[0.02/0.9] Error on loggc
(Note 3)
(
stat.error
)
(
ERROR
)
Mc
Msun
(n)
[0.45/1.21] Estimated WD mass
(Note 3)
(
phys.mass
)
(
PHYS_MASS_MISC
)
e_Mc
Msun
(n)
[0.008/0.5] Error on Mc
(Note 3)
(
stat.error
)
(
ERROR
)
tc
Myr
(n)
[2/2211] Estimated WD cooling time
(Note 3)
(
time.epoch
)
(
TIME_MISC
)
e_tc
Myr
(n)
[0.1/1609] Error on tc
(Note 3)
(
stat.error
)
(
ERROR
)
S/Nc
(n)
[1.4/108] Estimated signal-to-noise ratio
(
stat.snr
)
(
INST_S/N
)
Sp
Interactive spectrum from SDSS
(
meta.ref.url
)
(
DATA_LINK
)
spectrum
Sloan
Display the SDSS data for this object
(
meta.ref.url
)
(
DATA_LINK
)
AllV
Search whole VizieR for known details
(
meta.ref.url
)
(
DATA_LINK
)
ALL
cols
(n)
indicates a possible blank or NULL column
(i)
indexed column
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