Browse
this table...

FBSBSOCAT - First Byurakan Survey Blue Stellar Objects Catalog

HEASARC
Archive

Overview

Eleven lists of blue stellar objects (BSOs) found in the First Byurakan Survey (FBS) low-dispersion spectroscopic plates were published in the journal Astrophysics in the period 1990-1996, The selection was carried out in the region with declinations +33 deg. < delta < +45 deg. and delta > +61 degrees with a surface area of 4000 square degrees. As a result, the present catalog of the FBS blue stellar objects (BSOs) has been compiled. Its preliminary version has been available at CDS since 1999. The author has revised and updated the FBS BSOs catalog with the new data from recently published optical and multiwavelength catalogues to give access to all available data and make further comparative studies of the properties of these objects possible. The athor has made cross-correlations of the FBS BSOs catalog with the MAPS , USNO-B1.0, SDSS, and 2MASS catalogs, as well as with ROSAT, IRAS, NVSS, and FIRST catalogs , added updated SIMBAD and NED data for the objects, and provided accurate DSS1 and DSS2 positions and revised photometry. The author also checked the objects for proper motion and variability. A refined classification for the low-dispersion spectra in the Digitized First Byurakan Survey (DFBS) was carried out. The revised and updated catalog of 1103 FBS blue stellar objects is presented here. (The catalog in fact contains 1101 objects, as 2 pairs of objects turned to be identical; however, the author has kept all objects in the list on order to allow users to enter and find objects by all accepted FBS names). The FBS blue stellar objects catalog can be used to study a complete sample of white dwarfs, hot subdwarfs, horizantla-branch B (HBB) stars, cataclysmic variables, bright AGN, and to investigate individual interesting objects.

Catalog Bibcode

2008AJ....136..946M

References

Revised and updated catalogue of the First Byurakan Survey blue stellar
objects.
    Mickaelian A.M.
   <Astron. J. 136, 946 (2008)>
   =2008AJ....136..946M

Provenance

This table was created by the HEASARC in October 2008 based on the CDS table III/258 file fbs.dat. This latter catalog supersedes the previous edition (Abrahamian et al. 1999, CDS Cat. II/223)

Parameters

Source_Number
A running number for the FBS BSO source which uniquely identifies it, and is used in the alternate name (alt_name parameter) for these sources.

Alt_Name
An alternate name for the FBS BSO using the prefix 'FBS B' and the source number value, as recommended by the CDS Dictionary of Nomenclature of Celestial Objects.

Name
The IAU-style FBS blue stellar object designation based on its B1950 position ,e.g., FBS HHMM+DDd, as recommended by the CDS Dictionary of Nomenclature of Celestial Objects.

FBS_List
The original paper number of the BSO in the 11 papers which lists these objects. The full references are as follows:

        1 = Abrahamian H.V., Lipovetsky V.A., Stepanian J.A.,
            1990Ap.....32...14A =1990Afz....32...29A (   1- 100)
        2 = Abrahamian H.V., Lipovetsky V.A., Mickaelian A.M., Stepanian J.A.
            1990Ap.....33..418A =1990Afz....33..213A ( 101- 203)
        3 = Abrahamian H.V., Lipovetsky V.A., Mickaelian A.M., Stepanian J.A.
            1990Ap.....33..493A =1990Afz....33..317A ( 204- 323)
        4 = Abrahamian H.V., Lipovetsky V.A., Mickaelian A.M., Stepanian J.A.
            1991Ap.....34....7A =1991Afz....34...13A ( 324- 429)
        5 = Abrahamian H.V., Mickaelian A.M.
            1993Ap.....36...62A =1993Afz....36..109A ( 430- 540)
        6 = Abrahamian H.V., Mickaelian A.M.
            1993Ap.....36..306A =1993Afz....36..517A ( 541- 638)
        7 = Abrahamian H.V., Mickaelian A.M.
            1994Ap.....37...27A =1994Afz....37...43A ( 639- 757)
        8 = Abrahamian H.V., Mickaelian A.M.
            1994Ap.....37..117A =1994Afz....37..197A ( 758- 855)
        9 = Abrahamian H.V., Mickaelian A.M.
            1994Ap.....37..224A                      ( 856- 939)
       10 = Abrahamian H.V., Mickaelian A.M.
            1995Ap.....38..108A                      ( 940-1039)
       11 = Abrahamian H.V., Mickaelian A.M.
            1996Ap.....39..315A                      (1040-1103)
  

FBS_Zone
The central declination of the FBS zone in which the object was found.

Source_Notes
Comments on the object names, including the two pairs of identical objects and alternative FBS names (erroneously used in previous publications).

DSS1_RA
The DSS1 Right Ascension of the object in the J2000 equinox in sexagesimal coordinates. This should be accurate to 1 arcsecond rms.

DSS1_Dec
The DSS1 Declination of the object in the J2000 equinox in sexagesimal coordinates. This should be accurate to 1 arcsecond rms.

RA
The DSS2 red Right Ascension of the object in the selected equinox (given in J2000 coordinates to a precision of 0.01 seconds of time in the original table). This should be accurate to 1 arcsecond rms.

Dec
The DSS2 red Declination of the object in the selected equinox (given in J2000 coordinates to a precision of 0.1 arcseconds in the original table). This should be accurate to 1 arcsecond rms.

LII
The Galactic Longitude of the object.

BII
The Galactic Latitude of the object.

PM_RA
The proper motion of the object in the Right Ascension direction, in mas/yr.

PM_Dec
The proper motion of the object in the Declination direction, in mas/yr.

PM_Tot
The total proper motion of the object, in mas/yr.

PM_Dir
The position angle of the proper motion of the object, in degrees.

Extent_Type
A Flag parameter [s or g] which indicates whether the object has a Star or Galaxy DSS1+2 image extension type. This is similar to MAPS classification, which gives an understanding of extension. This is important for magnitude measurements and may lead to large errors in the case of misclassification (up to 3-4 mag). This particular type is a revised MAPS type based on a careful study of the DSS1/DSS2 images.

FBS_Type
The FBS low-dispersion spectral (LDS) type of the object, as explained in Mickaelian (2000, A&A Trans., 18, 557, for example.

DSS_Notes
Comments on any pecularities in the DSS1/DSS2 images of the object, e.g., binaries, nearby objects, possible variables, etc.

FBS_Bmag
The published FBS magnitude of the object, corresponding to the B magnitude, as given in the FBS lists.

MAPS_Omag
The MAPS O magnitude of the object, based on the author's extension classification, i.e., taken from diameter or integral measurement.

MAPS_Emag
The MAPS E magnitude of the object, based on the author's extension classification, i.e., taken from diameter or integral measurement.

B1_Mag
The USNO-B1.0 B1 (POSS1 epoch) blue magnitude of the object.

R1_Mag
The USNO-B1.0 R1 (POSS1 epoch) red magnitude of the object.

B2_Mag
The USNO-B1.0 B2 (POSS2 epoch) blue magnitude of the object.

R2_Mag
The USNO-B1.0 R2 (POSS2 epoch) red magnitude of the object.

Imag
The USNO-B1.0 I (POSS2 Epoch) infrared magnitude of the object.

Bmag
The summarizing blue magnitude of the object, derived from MAPS and USNO-B1.0 data.

Rmag
The summarizing red magnitude of the object, derived from MAPS and USNO-B1.0 data.

BR_Color
The summarizing B-R color of the object, derived from MAPS and USNO-B1.0 data.

Var_Flag
This flag indicates definite ("var") or possible ("var:") variability of the object, derived from MAPS and USNO-B1.0 data.

SDSS_Umag
The SDSS Data Release 6 model magnitude of the object, "u".

SDSS_Gmag
The SDSS Data Release 6 model magnitude of the object, "g".

SDSS_Rmag
The SDSS Data Release 6 model magnitude of the object, "r".

SDSS_Imag
The SDSS Data Release 6 model magnitude of the object, "i".

SDSS_Zmag
The SDSS Data Release 6 model magnitude of the object, "z".

Jmag
The 2MASS J magnitude of the object.

Hmag
The 2MASS H magnitude of the object.

Kmag
The 2MASS K magnitude of the object.

Other_Names
Other names and optical associations taken from SIMBAD, NED, PG, etc.

Source_Type
The final spectroscopic classification general type of the object based on known data from SIMBAD, NED, etc. and the author's observations.

Detailed_Source_Type
The final spectroscopic classification spectral subtype of the object based on known data from SIMBAD, NED, etc. and the author's observations.

Redshift
The redshift of the object (for extragalactic objects).

Xray_Name
The X-ray source name associated with the FBS object.

ROSAT_Count_Rate
The X-xay count rate of the associated X-ray source from the ROSAT Catalogs, in counts per second.

Infrared_Names
Infrared associations (other than 2MASS) with the FBS object.

Flux_12um
The IRAS (FSC, else PSC) flux of the counterpart to the FBS object at 12 microns, in Jy.

Flux_25um
The IRAS (FSC, else PSC) flux of the counterpart to the FBS object at 25 microns, in Jy.

Flux_60um
The IRAS (FSC, else PSC) flux of the counterpart to the FBS object at 60 microns, in Jy.

Flux_100um
The IRAS (FSC, else PSC) flux of the counterpart to the FBS object at 100 microns, in Jy.

Radio_Names
Radio associations with the FBS object.

Flux_20_cm
The 21-cm integral radio flux density of the counterpart to the FBS object, from the NVSS or FIRST Catalog, in mJy.

Class
The HEASARC Browse object classification of the FBS object, based upon the source_type and detailed_source_type parameter values.


Contact Person

Questions regarding the FBSBSOCAT database table can be addressed to the HEASARC User Hotline.

Page Author: Browse Software Development Team
Last Modified: 5-Mar-2012