J/ApJS/175/86 NGP+30° zone galaxies I. (Petrosian+, 2008)
The north galactic pole +30° zone galaxies. I. A comparative study of galaxies with different nuclear activity. Petrosian A., McLean B., Allen R., Kunth D., Leitherer C. <Astrophys. J. Suppl. Ser., 175, 86-96 (2008)> =2008ApJS..175...86P
ADC_Keywords: Active gal. nuclei ; Cross identifications ; Magnitudes, photographic Keywords: astronomical data bases: miscellaneous - galaxies: active - galaxies: interactions - galaxies: starburst - galaxies: statistics Abstract: A database containing 618 active and star-forming (A/SF) galaxies and 564 normal galaxies in a 120°x6° wide strip crossing the North Galactic Pole was constructed in order to compare the global properties of "active" galaxies against a control sample of "normal" galaxies. This database combines a literature and catalog search with new optical measurements from the Fpg (red) and Jpg (blue) band images of the STScI Digitized Sky Survey (DSS). We provide alternative names, accurate coordinates, morphological type, activity classes, red and blue apparent magnitudes, 2MASS near-infrared J-H and H-K colors, apparent diameters, axial ratios, position angles, and number counts of neighboring objects in a circle of radius 50kpc. We also present an atlas of 103 interacting and merging systems among these galaxies. In this sample, all merging and interacting galaxies are A/SF objects. The near-infrared colors of the sample galaxies are independent parameters and do not correlate with activity level or any other parameter of the galaxies. Description: We took the galaxies from a CfA2 strip (See Huchra et al., 1990, Cat. VII/193) 8h≤RA≤17h and 26.5°≤DE≤32.5°, and cross-checked this sample with all known possible sources of active or star-forming galaxies.The optical measurements of these galaxies are based on the digitized F- and J-band images extracted from the photographic plates obtained for the second Palomar Observatory Sky Survey (POSS-II; Reid et al., 1991PASP..103..661R). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 153 564 Measured parameters for Normal Galaxies in sample table2.dat 153 618 Measured parameters for Active/Star Forming Galaxies in sample
See also: VII/193 : The CfA Redshift Catalogue, Version June 1995 (Huchra+ 1995) J/ApJS/121/287 : The CfA2S catalog (Huchra+, 1999) Byte-by-byte Description of file: table.dat
Bytes Format Units Label Explanations
1- 11 A11 --- Name Object name (1) 13- 34 A22 --- AName Alternative name 36- 37 I2 h RAh Hour of Right Ascension (J2000) 39- 40 I2 min RAm Minute of Right Ascension (J2000) 42- 45 F4.1 s RAs Second of Right Ascension (J2000) 46 A1 --- DE- Sign of Declination (J2000) 47- 48 I2 deg DEd Degree of Declination (J2000) 50- 51 I2 arcmin DEm Arcmin of Declination (J2000) 53- 56 F4.1 arcsec DEs Arcsecond of Declination (J2000) 58- 63 A6 --- AC Activity class (3) 65- 66 I2 --- TT Morphology classification (2) 67 A1 --- Bar [B] Indicates the presences of a bar 69- 74 F6.4 --- z Heliocentric redshift (4) 76- 79 F4.1 mag Bjmag Apparent isophotal DSS J (blue) band magnitude 81- 84 F4.1 mag Bj-F DSS (J-F) color index 86- 88 I3 arcsec Diam Major diameter from DSS J band 90- 93 F4.2 --- a/b Axial ratio from DSS J band 95- 97 I3 deg PA ? Position angle from DSS J band 99-103 F5.2 mag J-H ? 2MASS (J-H) color index 105-109 F5.2 mag H-K ? 2MASS (H-K) color index 111-112 I2 --- Ng ? Number of galaxies detected within 50kpc radius 114-153 A40 --- Note Pair, triplet, group and/or cluster member?
Note (1): As it is appears in the HGdLC (Huchra et al., 1990, Cat. VII/193, superseded by Cat. J/ApJS/121/287) original lists. Note (2): Equivalent Morphology classification: -5 = E; -3 = E/S0; -2 = S0; 0 = S0/a; 1 = Sa; 2 = Sab; 3 = Sb; 4 = Sbc; 5 = Sc; 6 = Scd; 7 = Sd; 8 = Sdm; 9 = Sm; 10 = Im; 11 = Im/BCD; 13 = BCD; 14 = Compact; 15 = Interacting system or Merger; 16 = HII. Note (3): When available. The various Seyfert classes are denoted by "Sy1", "Sy1.5", "Sy1.8", "Sy1.9", and "Sy2". The symbol "Sy3" is refers to the LINERs. Starburst and HII nuclei respectively are indicated by "SB" and "HII". Galaxies with Wolf-Rayet features in their spectra are indicated with the symbol "WR". X-Ray sources are indicated as "X" and radio galaxies as "R". Note (4): From HGdLC (Huchra et al., 1990, Cat. VII/193) or when available from SDSS DR5 (Cat. II/276, superseded by II/282).
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Emmanuelle Perret [CDS] 08-Jun-2009
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