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J/ApJ/462/1         PNe in the Coma I region    (Jacoby+ 1996)

Planetary nebulae as standard candles. X. Tests in the Coma I region. Jacoby G.H., Ciardullo R., Harris W.E. <Astrophys. J. 462, 1 (1996)> =1996ApJ...462....1J (SIMBAD/NED BibCode)
ADC_Keywords: Nebulae, planetary Keywords: distance scale - galaxies: clusters: individual (Coma I)- galaxies: distances and redshifts - planetary nebulae: general Abstract: We present the result of an [OIII]500.7nm survey for planetary nebulae (PNe) in three galaxies of the Coma I group: NGC 4278 (Hubble type E1), NGC 4494 (E1), and NGC 4565 (edge-on Sb). Using the planetary nebula luminosity function (PNLF), we derived distances to NGC 4494 (12.8±0.9Mpc), NGC 4564 (10.5+0.8-1.0Mpc), and NGC 4278 (10.2+0.7-1.0Mpc). The larger distance for NGC 4494 is significant beyond the 99% confidence level when the common systematic errors in all three distances are removed. This agrees with the results of the globular cluster luminosity function and surface brightness fluctuation methods, both of which place NGC 4565 in front of NGC 4494. The large separation is also consistent with the results of Virgocentric flow models, which predict triple-valued solutions to the Hubble flow in that direction. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2 45 39 NGC 4278 planetary nebulae table3 45 183 NGC 4494 planetary nebulae table4 38 35 NGC 4565 planetary nebulae table6 33 46 Astrometric reference stars
Byte-by-byte Description of file: table2 table3
Bytes Format Units Label Explanations
1- 3 I3 --- ID ID number 5- 6 I2 h RAh Right ascension (J2000) 8- 9 I2 min RAm Right ascension (J2000) 11- 15 F5.2 s RAs Right ascension (J2000) 17- 18 I2 deg DEd Declination (J2000) 20- 21 I2 arcmin DEm Declination (J2000) 23- 26 F4.1 arcsec DEs Declination (J2000) 28- 30 F3.1 arcmin Rad Isophotal radius from galaxy 32- 36 F5.2 mag m5007 Lambda5007 magnitude (m5007=-2.5logF5007 - 13.74) 38- 45 A8 --- Note Note (1)
Note (1): S when PNe that are part of the statistical samples
Byte-by-byte Description of file: table4
Bytes Format Units Label Explanations
1- 2 I2 --- ID ID number 4- 5 I2 h RAh Right ascension (J2000) 7- 8 I2 min RAm Right ascension (J2000) 10- 14 F5.2 s RAs Right ascension (J2000) 16- 17 I2 deg DEd Declination (J2000) 19- 20 I2 arcmin DEm Declination (J2000) 22- 25 F4.1 arcsec DEs Declination (J2000) 27- 29 I3 arcsec z PN distance from galactic plane 31- 35 F5.2 mag m5007 Lambda5007 magnitude (m5007=-2.5logF5007 - 13.74) 37 A1 --- Note [S] S when PNe that are part of the statistical samples
Byte-by-byte Description of file: table6
Bytes Format Units Label Explanations
1- 8 A8 --- Name Galaxy name 10 A1 --- ID Star identification 12- 13 I2 h RAh Right ascension (J2000) 15- 16 I2 min RAm Right ascension (J2000) 18- 22 F5.2 s RAs Right ascension (J2000) 24- 25 I2 deg DEd Declination (J2000) 27- 28 I2 arcmin DEm Declination (J2000) 30- 33 F4.1 arcsec DEs Declination (J2000)
Courtesy: Robin Ciardullo
(End) Patricia Bauer [CDS] 06-Sep-1996
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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