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I/275
The AC 2000.2 Catalogue (Urban+ 2001)
ReadMe
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1.
I/275/ac2002
All 4,621,751 stars from the AC2000.2 Catalogue (
Detailed introduction
)
(4621751 rows)
Detailed introduction
can be found in
intro.tex
(see also
http://aries.usno.navy.mil/ad/ac.html
) Direct links to Hipparcos and Tycho observations are provided from the relevant columns.
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
SkyCat-Compatible
HTML Table
HTML with Checkboxes
Detailed results
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:
+
-
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
Show
Sort
Column
Constraint
Explain
(
UCD
)
recno
Record number within the original table (starting from 1) (
meta.record
)
(
RECORD
)
RA(ICRS)
"h:m:s"
R.A. (hours), HCRS, at epoch mEp (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DE(ICRS)
"d:m:s"
Decl. (degrees), HCRS, at epoch mEp (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
Bmag
mag
Observed B magnitude
(Note)
(
phot.mag;em.opt.B
)
(
PHOT_TYCHO_B
)
mEp
yr
Mean epoch of position (
time.epoch
)
(
TIME_EPOCH
)
Num
Number of images used for astrometry (
meta.number
)
(
NUMBER
)
e_RAs
arcsec
(n)
Standard deviation of Right Ascension
(Note)
(
stat.error
)
(
ERROR
)
e_DEs
arcsec
(n)
Standard deviation of Declination
(Note)
(
stat.error
)
(
ERROR
)
ACnum
USNO generated identifier (
meta.id;meta.main
)
(
ID_MAIN
)
HIP
(n)
Hipparcos number
(Note)
(
meta.id
)
(
ID_ALTERNATIVE
)
m_HIP
(char)
Hipparcos component identifier
(Note)
(
meta.code.multip
)
(
CODE_MULT_INDEX
)
TYC2
(char)
Tycho-2 identifier
(Note)
(
meta.id
)
(
ID_ALTERNATIVE
)
Vmag
mag
(n)
V magnitude
(Note)
(
phot.mag;em.opt.V
)
(
PHOT_TYCHO_V
)
magflg
(n)
[1,3] Magnitude warning flag
(Note)
(
meta.code
)
(
CODE_MISC
)
verflg
(n)
[1] Verification flag
(Note)
(
meta.code
)
(
CODE_MISC
)
ALL
cols
(n)
indicates a possible blank or NULL column
Adapt
Form
(
usage
)
Columns
with UCDs:
Allow LISTs from file:
©UDS/CNRS
Contact:
