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Markarian Data
 


Markarian Galaxies

Distribution across TheSky

Count = 1,488 entries

EPOCH 1950!

NOTE: As per the README file the data has been compiled for EPOCH 1950 not Epoch 2000 (the default).

Searching the SDB file

Because the data was compiled using a SEARCH field The Markarian SDB file can be searched using Edit | Find by EXPANDING the entry under Sky Database's (SDBs) | Markarian. See below. Or just Edit | Find Markarian followed by the number.

Edit | Find

Markarian then the ID

Pick from the list or you can enter Markarian {SEARCH CRITERIA} directly. If you don't like the Identifier "Markarian" used in searching you change and recompile the data. Best to make the change in the HEADER using the Identifier field.

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Sky Databases (SDB's) | Markarian

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;Data for TheSky6 Copyright Software Bisque
>SEARCH 1,4
>RAHOURS 7,8
>RAMINUTES 10,11
>RASECONDS 13,16
>SEARCH 1,4
>DECSIGN 19,19
>DECDEGREES 20,21
>DECMINUTES 23,24
>DECSECONDS 26,27
>MAGNITUDE 91,95
>OBJECT TYPE 55
>IDENTIFIER Markarian
>PARSE "Markarian Designation" 1,4
>PARSE "Apparent magnitude from the CGCG" 40,43
>PARSE "Absolute Magnitude" 47,51
>PARSE "Spectral Type" 54,58
>PARSE "Spectrum Type (1)" 80,84
>PARSE "Red Shift corrected Galaxy Rotation" 31,36
>PARSE "Red Shift Reference" 67,69
>PARSE "Morphological Type" 72,79
>PARSE "Diaphragm size" 86,88
>PARSE "B-V / U-B" 98,101

ReadME

VII/172            First Byurakan Survey (FBS)    (Markarian+, 1989)
================================================================================
The First Byurakan Survey. A catalogue of galaxies with UV-continuum
     Markarian B.E., Lipovetsky V.A., Stepanian J.A., Erastova L.K.,
     Shapovalova A.I.
    <Comm. SAO (USSR) 62 (1989)>
    =1989SoSAO..62....5M
================================================================================
ADC_Keywords: Galaxies, Markarian; Galaxies, UV-excess


Abstract:
   A Catalogue of galaxies with UV-continuum (Markarian galaxies) detected
   during the First Byurakan Survey (FBS) is presented. The purpose of the
   Survey was to search for peculiar faint extragalactic objects with
   UV-excess radiation and to study them. The procedure of observations
   and processings, the Survey areas, the object selection and
   classification criteria and also several selection effects are
   described. The Catalogue contains the following initial data on all
   the objects: the precise coordinates, visual magnitudes, angular
   sizes, redshifts and classification types. The observational results
   of slit spectra, UBV-photometry, IR-photometry (IRAS data), morphology
   and some other data are also included into the Catalogue. While
   compiling the Catalogue the authors introduced some necessary
   corrections in the data of the earlier published lists on galaxies
   with UV-continuum. In addition we included the objects with
   numbers 1501-1515. In most cases they are well-known Seyfert galaxies
   omitted by the authors in the lists, but detected on the plates.
   41 objects from our lists are not included into the Catalogue, since
   they are either stars of our Galaxy or star projections on the
   galaxies. The Catalogue presents the largest homogeneous sample of
   AGN of different types on the northern sky for bright objects (<16.0).
   Up to the middle of 1987 the redshifts were measured for 1459 out of
   1469 objects of the Catalogue.

File Summary:

FileName      Lrecl  Records   Explanations

× ReadMe            80        .   This file
× descrip.doc       76     1177   Description of the FBS
× table7.dat       140     1469   The FBS Catalogue of Markarian galaxies
× notes.dat         90       39  *Comments on table7
× table6.dat        69       48  *Deleted Survey objects
× table8.dat        62      818   Common names
× table9.dat        20     1549   Finding list of common names
× table10.dat       13     1517   FBS objects by number
× refs.dat          80      195   Reference codes

Note on table6: Mrk514 added by H.Andernach, Mar 92

Note on notes.dat: The data on Markarian galaxy components, which are
   also galaxies with UV-continuum and which are described in original
   lists as two objects with one and the same number, are presented
   in this file. As a rule, the second component has a weaker
   UV-continuum and is weaker itself.

Byte-by-byte Description of file: table7.dat

Bytes Format  Units   Label    Explanations

1-  4  I4     ---     Mrk      [1/1515]+ Markarian designation number
   7-  8  I2     h       RAh      Right ascension 1950.0
  10- 11  I2     min     RAm      Right ascension 1950.0
  13- 16  F4.1   s       RAs      Right ascension 1950.0
      19  A1     ---     DE-      Declination sign
  20- 21  I2     deg     DEd      Declination 1950.0
  23- 24  I2     arcmin  DEm      Declination 1950.0
  26- 27  I2     arcsec  DEs      Declination 1950.0
  31- 36  F6.4   ---     z0       []? Redshifht corrected for Galaxy rotation
                                   (the rotation constant is Q=300km/s)
  40- 43  F4.1   mag     Mag      Apparent magnitude from the CGCG
      44  A1     ---     n_Mag    [*] An '*' indicates that there were no value
                                   in CGCG and that the magnitude given is the
                                   original estimates of the authors
  47- 51  F5.1   mag     Mabs     []? Absolute magnitude
  54- 58  A5     ---     Sp       Spectral type
  59- 61  I3     arcsec  MajDiam  []? Major axis diameter
      62  A1     ---   n_MajDiam  Multiplicative symbol for angular size
  63- 64  I2     arcsec  MinDiam  []? Minor axis diameter
  67- 69  I3     ---     r_z0     []? Redshift reference (See "refs" file)
      70  A1     ---     n_Mrk    [*] A '*' indicates the double object having
                                   the same number in the original list; there
                                   is more detailed information about the second
                                   component in the "notes.dat" file
  72- 79  A8     ---     MType    Morphological type. In some cases, the
                                   description "dbl" is used for close binaries
  80- 84  A5     ---     Stype    Spectrum type (1)
  86- 88  I3     arcsec  Ddia     []? Diaphragm size. When the are several
                                   diaphragms, the largest one is presented
  91- 95  F5.2   mag     Vmag     []? Vmagnitude
  98-101  F4.2   mag     B-V      []? B-V colour index
 103-107  F5.2   mag     U-B      []? U-B colour index
 109-111  I3     ---     r_Vmag   []? References for UBV photometry
                                       (See "refs" file)
     113  A1     ---     Var      [v] A 'v' indicates optical variability
 115-118  F4.2   Jy      F12um    []? IRAS flux at 12 µm (2)
     120  A1     ---     l_F25um  [<] Limit flag on F25um
 121-125  F5.2   Jy      F25um    []? IRAS flux at 25 µm (2)
     126  A1     ---     l_F60um  [<] Limit flag on F60um
 127-132  F6.2   Jy      F60um    []? IRAS flux at 60 µm (2)
     134  A1     ---    l_F100um  [<] Limit flag on F100um
 135-140  F6.2   Jy      F100um   []? IRAS flux at 100 µm (2)

Note (1): Spectrum type:
            Sy1-Sy2 - Sy galaxy of the corresponding type
            Sy3     - LINER
            QSO     - quasar
            BL      - lacertides
            SB      - star-burst galaxies
            HII     - extragalactic HII region
            e       - emission spectrum galaxy
            a       - absorption spectrum galaxy
     The two last notations have  been   used   when   there   was   no
      necessary information about their spectra.
Note (2): IRAS version 1


Byte-by-byte Description of file:  notes.dat

Bytes Format Units   Label     Explanations

1-  4  I4    ---     Mrk       [1/1515]+= Markarian designation number
   7- 11  A5    ---     Sp2       Spectral type
  14- 17  F4.1  mag     Mag2      ? Magnitude of secondary
  21- 26  F6.4  ---     z2        ? Redshift of secondary
  28- 90  A63   ---     Text      Oext of note

Byte-by-byte Description of file:  table6.dat

Bytes Format  Units   Label    Explanations

1-  4  I4     ---     Name     Mrk galaxy number
   7-  8  I2     h       RAh      Right ascension 1950.0
  10- 11  I2     min     RAm      Right ascension 1950.0
  13- 16  F4.1   s       RAs      Right ascension 1950.0
      19  A1     ---     DE-      Declination sign
  20- 21  I2     deg     DEd      Declination 1950.0
  23- 24  I2     arcmin  DEm      Declination 1950.0
  26- 27  I2     arcsec  DEs      Declination 1950.0
  31- 34  F4.1   mag     Mobs     Observed magnitude from the CGCG
      35  A1     ---     n_Mobs   [*] An '*' indicates that there were no value
                                     in CGCG and that the magnitude given is the
                                     original estimates of the authors
  37- 41  A5     ---     Sp       Spectral type
  43- 44  I2     ---     Nref     []? Reference number (See "refs" file)
  48- 69  A22    ---     Spect.   Spectrum
Bytes Format  Units   Label    Explanations

1-  4  I4     ---     Mrk      [1/1515]+= Markarian designation number
   7- 13  A7     ---     Name     Name composed with HHMM+DD (hours and minutes
                                   of RA 1950, degrees of DE 1950).
                                   This name is not unique among FBS galaxies

Byte-by-byte Description of file:  refs.dat

Bytes Format  Units   Label    Explanations

1-  3  I3     ---     Nref     [1/108]+= Reference number
   5- 80  A76    ---     Ref      References

Historical notes:
  * 28-Aug-1994: The catalogue was provided by courtesy of V.Lipovetskii
    to H.Andernach; it was numbered A138 in H. Andernach's "List of
    Astronomical Catalogues and Documents kindly provided on request by
    various authors". The documentation was written by Koichi Nakajima
    (CDS, and Japanese Data Centre)
  * 23-Jan-1995: documentation standardized by Patricia Bauer [CDS]
  * 20-Cot-1997: file refs.dat rewritten by Francois Ochsenbein [CDS]

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(End)                    Patricia Bauer, Francois Ochsenbein [CDS]   20-Oct-1997