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J/ApJ/602/685      NGC 5128 planetary nebulae                      (Peng+, 2004)

The planetary nebula system and dynamics in the outer halo of NGC 5128. Peng E.W., Ford H.C., Freeman K.C. <Astrophys. J., 602, 685-704 (2004)> =2004ApJ...602..685P
ADC_Keywords: Nebulae, planetary ; Positional data ; Radial velocities ; Photometry Keywords: dark matter - galaxies: elliptical and lenticular, cD - galaxies: halos - galaxies: individual (NGC 5128) - galaxies: kinematics and dynamics - planetary nebulae: general Abstract: The halos of elliptical galaxies are faint and difficult to explore, but they contain vital clues to both structure and formation. We present the results of an imaging and spectroscopic survey for planetary nebulae (PNe) in the nearby elliptical NGC 5128. We extend the work of Hui and coworkers (Cat. J/ApJ/449/592) well into the halo of the galaxy - out to distances of 100 and 50kpc along the major and minor axes. We now know of 1141 PNe in NGC 5128, 780 of which are confirmed. Of these 780 PNe, 349 are new from this survey, and 148 are at radii beyond 20kpc. PNe exist at distances up to 80kpc (∼15re), showing that the stellar halo extends to the limit of our data. Description: We imaged the halo of NGC 5128 over the course of three observing runs (1993 June 17-19, 1995 March 24-28, 2000 June 4) using the Blanco 4m telescope at Cerro Tololo Inter-American Observatory (CTIO). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2.dat 40 26 Imaged fields table3.dat 32 41 Astrometric fiducial stars from USNO-A2.0 (I/252) table6.dat 64 780 NGC 5128 planetary nebula positions and velocities table7.dat 31 361 Unconfirmed PN candidates in NGC 5128
See also: J/ApJ/414/463 : Planetary nebula system of NGC 5128 (Hui+, 1993) J/ApJS/88/423 : NGC 5128 PN. II. (Hui+ 1993) J/ApJ/449/592 : NGC 5128 PN. III. (Hui+ 1995) I/252 : The USNO-A2.0 Catalogue (Monet+ 1998) Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 5 A5 --- Field Field name 7- 8 I2 h RAh Hour of Right Ascension (J2000) 10- 11 I2 min RAm Minute of Right Ascension (J2000) 13- 17 F5.2 s RAs Second of Right Ascension (J2000) 19 A1 --- DE- Sign of the Declination (J2000) 20- 21 I2 deg DEd Degree of Declination (J2000) 23- 24 I2 arcmin DEm Arcminute of Declination (J2000) 26- 30 F5.2 arcsec DEs Arcsecond of Declination (J2000) 32- 35 F4.1 arcmin fov1 Field of view 36 A1 --- --- [x] 37- 40 F4.1 arcmin fov2 Field of view
Byte-by-byte Description of file: table3.dat
Bytes Format Units Label Explanations
1- 3 A3 --- [PFF2004b] Name 5- 6 I2 h RAh Hour of Right Ascension (J2000) 8- 9 I2 min RAm Minute of Right Ascension (J2000) 11- 15 F5.2 s RAs Second of Right Ascension (J2000) 17 A1 --- DE- Sign of the Declination (J2000) 18- 19 I2 deg DEd Degree of Declination (J2000) 21- 22 I2 arcmin DEm Arcminute of Declination (J2000) 24- 27 F4.1 arcsec DEs Arcsecond of Declination (J2000) 29- 32 F4.1 mag Rmag R magnitude
Byte-by-byte Description of file: table6.dat
Bytes Format Units Label Explanations
1- 8 A8 --- Name Planetary Nebula identification number (G1) 10- 13 A4 --- OName Planetary Nebula cross-identification number (G1) 15- 17 I3 km/s RV Radial velocity 19- 20 I2 h RAh Hour of Right Ascension (J2000) 22- 23 I2 min RAm Minute of Right Ascension (J2000) 25- 29 F5.2 s RAs Second of Right Ascension (J2000) 31 A1 --- DE- Sign of the Declination (J2000) 32- 33 I2 deg DEd Degree of Declination (J2000) 35- 36 I2 arcmin DEm Arcminute of Declination (J2000) 38- 41 F4.1 arcsec DEs Arcsecond of Declination (J2000) 43- 49 F7.3 arcmin Xpos Distance along photometric major axis (1) 51- 57 F7.3 arcmin Ypos Distance along photometric minor axis (2) 59- 64 F6.3 arcmin Rad Projected radius from the galaxy center
Note (1): Major axis at PA=35°. Positive to the northeast as in H95. Note (2): Positive to the northwest.
Byte-by-byte Description of file: table7.dat
Bytes Format Units Label Explanations
1- 7 A7 --- Name Planetary Nebula identification number (G1) 9- 10 I2 h RAh Hour of Right Ascension (J2000) 12- 13 I2 min RAm Minute of Right Ascension (J2000) 15- 19 F5.2 s RAs Second of Right Ascension (J2000) 21 A1 --- DE- Sign of the Declination (J2000) 22- 23 I2 deg DEd Degree of Declination (J2000) 25- 26 I2 arcmin DEm Arcminute of Declination (J2000) 28- 31 F4.1 arcsec DEs Arcsecond of Declination (J2000)
Global Notes: Note (G1): Field and PN number, Cat. J/ApJS/88/423 designation, or composite name. In Simbad: [PFF2004b] ctr NNNa [PFF2004b] fNNpNN [PFF2004b] mosNEpnN 'NNNN' = [HFC93] NNNN
History: From electronic version of the journal
(End) Greg Schwarz [AAS], Marianne Brouty [CDS] 12-Oct-2005
The document above follows the rules of the Standard Description for Astronomical Catalogues.From this documentation it is possible to generate f77 program to load files into arrays or line by line

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