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II/118
UBVRI standards around Celestial Equator (Landolt 1983)
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1.
II/118/main
The Data
(223 rows)
Query Setup
(
usage
)
Maximum Entries per table:
1
5
10
20
50
100
200
1000
9999
99999
999999
unlimited
Output layout:
VOTable
VOTable (bin-64)
VOPlot
XML + CSV (Astrores)
FITS (ascii) Table
KMZ/KML - Google Sky
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Tab-Separated-Values
| -Separated-Values
; -Separated-Values
ascii text/plain
ascii table
ascii - small
ascii - tiny
ascii - with Checkboxes
ascii - small with Checkboxes
ascii - 999'filled
Output Order:
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Query by Position on the Sky
(Adapt Form to use a List of targets)
Target
Name (resolved by
S
imbad
) or
Position
:
today
J2000
B1975
B1950
B1900
B1875
B1855
Galactic
Supergal.
Ecl.J2000
Position
in
Sexagesimal, or
Decimal °
Target dimension:
deg
arcmin
arcsec
Radius or
Box size
Output preferences for Position:
r
x,y
Position
Galactic
J2000
B1950
Ecl.J2000
none
Compute
Sort by
r
and
x,y
are the distance to the Target;
Position
is in the same coordinate system as
Target
.
Query by
Constraints
applied on Columns
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Column
Constraint
Explain
(
UCD
)
recno
Record number within the original table (starting from 1) (
meta.record
)
(
RECORD
)
Name
(char)
Star identification
(Note 1)
(
meta.id;meta.main
)
(
ID_MAIN
)
RA1985
"h:m:s"
Hours RA, Equinox=1985, Epoch=1985 (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DE1985
"d:m:s"
(n)
Sign Dec, equinox and epoch 1985.0 (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
Vmag
mag
Weighted V magnitude in the UBVRI system (
phot.mag;em.opt.V
)
(
PHOT_JHN_V
)
B-V
mag
Weighted B-V color in the UBVRI system (
phot.color;em.opt.B;em.opt.V
)
(
PHOT_JHN_B-V
)
U-B
mag
Weighted U-B color in the UBVRI system (
phot.color;em.opt.U;em.opt.B
)
(
PHOT_JHN_U-B
)
V-R
mag
Weighted V-R color in the UBVRI system (
phot.color;em.opt.V;em.opt.R
)
(
PHOT_JHN_V-R
)
R-I
mag
Weighted R-I color in the UBVRI system (
phot.color;em.opt.R;em.opt.I
)
(
PHOT_JHN_R-I
)
V-I
mag
Weighted V-I color in the UBVRI system (
phot.color;em.opt.V;em.opt.I
)
(
PHOT_JHN_V-I
)
Obs
Number of observations used to compute weighted means (
meta.number
)
(
NUMBER
)
Nights
Number of nights on which the star was observed (
meta.number
)
(
NUMBER
)
e_Vmag
mag
Mean error of mean V magnitude
(Note 2)
(
stat.error
)
(
ERROR
)
e_B-V
mag
Mean error of mean B-V color
(Note 2)
(
stat.error
)
(
ERROR
)
e_U-B
mag
Mean error of mean U-B color
(Note 2)
(
stat.error
)
(
ERROR
)
e_V-R
mag
Mean error of mean V-R color
(Note 2)
(
stat.error
)
(
ERROR
)
e_R-I
mag
Mean error of mean R-I color
(Note 2)
(
stat.error
)
(
ERROR
)
e_V-I
mag
Mean error of mean V-I color
(Note 2)
(
stat.error
)
(
ERROR
)
Notes
(char)
Number(s) of notes
(Note 3)
(
meta.number
)
(
NUMBER
)
ALL
cols
(n)
indicates a possible blank or NULL column
Adapt
Form
(
usage
)
Columns
with UCDs:
Allow LISTs from file:
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