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ESOUPPSALA: Help

ESOUPPSALA - ESO-Uppsala ESO(B) Survey


Overview

This database table was derived from information provided in "The ESO/Uppsala Survey of the ESO(B) Atlas" (ESO/U), which is a joint project undertaken by the European Southern Observatory (ESO) and the Uppsala Observatory to provide a systematic and homogeneous search of the ESO(B) Atlas (also known as the Quick Blue Survey). The ESO(B) Atlas, taken with the ESO 1 m Schmidt telescope at La Silla, Chile, covers 606 fields from -90 to -20 degrees of declination. The fields are similar in size and scale to those of the Palomar Observatory Sky Survey. Unsensitized IIa-O plates and a 2 mm GG385 filter were used to give a passband similar to the Johnson B color. Additional information is available from the HEASARC.

Catalog Bibcode

1982ESO...C......0L

References

A. Lauberts, 1982, European Southern Observatory.

Parameters

Name
The primary object identifier in the nine lists published in the A. & A. Suppl., consisting of the Survey field number, the object class, and a running number, originally ordered by right ascension, which may have changed with revisions of the data. More information is available through the HEASARC.

RA_1950
Right Ascension in 1950 Coordinates

Dec_1950
Declination in 1950 Coordinates

LII
The galactic longitude of the object.

BII
The galactic latitude of the object.

Alt_Name
Other Identifier: Some common abbreviations include: N for NGC, I for IC, M for Messier, PK for Perek-Kohoutek planetary nebula, and GCl or OCl for star clusters from the Budapest catalog. References to these and other abbreviations are available from the HEASARC.

Old_Name
The old style name for this object, as from the original catalogs.

Plate_X
Rectangular X coordinates in millimeters with origin at the plate center. Positive X is toward the east.

Plate_Y
Rectangular Y coordinates in millimeters with origin at the plate center. Positive Y is toward the north.

Major_Axis
Major axis measurements refer to the maximum extent of features which can be described as belonging to the object. Units are in arc minutes.

Major_Axis_Uncert
A colon ":" following the diameter indicates that the measurement is uncertain or that the value is a total diameter for close pairs, triplets, or multiple systems which are difficult to resolve.

Minor_Axis
Minor axis measurements refer to the maximum extent of features which can be described as belonging to the object. Units are in arc minutes.

Minor_Axis_Uncert
A colon ":" following the diameter indicates that the measurement is uncertain or that the value is a total diameter for close pairs, triplets, or multiple systems which are difficult to resolve.

Posang
Position Angle: The angle of the major axis of elongated galaxies is measured from north through east.

Morph_Type
The coded morphological types follow the conventions of the Second Reference Catalog of Bright Galaxies (de Vaucouleurs, de Vaucouleurs, and Corwin 1976; RC2). The only exceptions are that type `S...` is coded as +5 and type `S.../Irr` is coded as +7. The other codes are as follows: -6 = cE, -5 = E, -4= cD, -3 = S0-, -2 = S0^0^, -1 = S0+, 0 = S0/a or I0, 1 = Sa, 2 = Sab, 3 = Sb, 4 = Sbc, 5 = Sc, 6 = Scd, 7 = Sd, 8 = Sdm, 9 = Sm, 10 = Im, and 11 = cIm.

Object_Class
The object type as derived from the original on line catalog designation. Classes include:

          Class  Description

             *   star
             ?   questionable object
             A   asteroid
             C   comet
             G   galaxy
             N   nebula
            **   double or multiple star
            EN   emission nebula
            IG   interacting galaxy
            PN   planetary nebula
            RN   reflection nebula
            SC   star cluster
           SNR   supernova remnant
  

Hubble_Class
The estimated Hubble class. The class SBO ("S-B-oh", not "S-B-zero") has been added and all elliptical galaxies are classified "E" regardless of ellipticity.

Description
Descriptions pertaining to the source. The descriptions are concise and most words have been abbreviated. A list of abbreviations can be found in Holmberg, Lauberts, Schuster, and West 1974.

Info
Five of the most common sources for additional information for an object. More information is available from the HEASARC.

  Flag 1 -- If this flag is an asterisk, "*", the object has an  entry in the
  		Catalog Notes.

  Flag 2 -- If this flag is a "1",  the galaxy is listed in the MCG.

  Flag 3 -- If this flag is a "2", the galaxy is listed in the RC1.

  Flag 4 -- If this flag is a "V", the galaxy appears in  Vorontsov-Velyaminov
  		(1959).

  Flag 5 -- If this flag is an "A", the galaxy appears in Arp (1966).
  

Bmag
The magnitude, in the standard B-band, may be total or in-aperture. References to magnitudes were selected to give the most recent source for each object.

Bmag_Error
Mean error in magnitudes (if less than one) or aperture size in arcsec (if greater than one).

Bmag_Ref
The reference to the magnitudes. The color of the pass band (e.g. "UBV" or "JF") follows the code if the original paper gives photometry, or "Z" follows the code if the paper gives redshifts. References for the original references are available upon request from the HEASARC.

Bvmag
The magnitude, in the standard B-band, may be total or in-aperture. References to magnitudes were selected to give the most recent source for each object. B-V colors are on the standard Johnson or Cousins systems.

Ubmag
The magnitude, in the standard B-band, may be total or in-aperture. References to magnitudes were selected to give the most recent source for each object. U-B colors are on the standard Johnson or Cousins systems.

Color_Ref
The reference to the magnitudes. The color of the pass band (e.g. "UBV" or "JF") follows the code if the original paper gives photometry, or "Z" follows the code if the paper gives redshifts. References for the original references are available upon request from the HEASARC.

RadVel
Radial Velocities are in kilometers per second. References to radial velocities are selected to give the most recent source for each object.

RadVel_Error
Radial Velocity mean errors are in kilometers per second. References to radial velocities are selected to give the most recent source for each object.

RadVel_Ref
The reference to the radial velocities. The color of the pass band (e.g. "UBV" or "JF") follows the code if the original paper gives photometry, or "Z" follows the code if the paper gives redshifts. References for the original references are available upon request from the HEASARC.

RA
The Right Ascension of the object.

Dec
The Declination of the object.

CRA
Right Ascension, J2000, sexagesimal

CDec
Declination, J2000, sexagesimal

Class
BROWSE classification type. The classification is based on the `Type` parameter, if one is available.


Contact Person

Questions regarding the ESOUPPSALA database table can be addressed to the HEASARC User Hotline.
If you have any problems, please consult the help page or mail ledas-help@star.le.ac.uk
 
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