Byte-by-byte Description of file: hidata.dat
Bytes Format Units Label Explanations
1 A1 --- Note [*] Note for galaxies (1) 2- 13 A12 --- Name Galaxy name 16- 23 A8 --- Tel Radiotelescope used in the observation (2) 25- 33 A9 arcmin HPBW Spatial resolution of the maps: half power beam width or synthesized beam 35- 39 F5.1 km/s Vres ? Velocity resolution of the maps 41- 46 F6.2 --- rms ? r.m.s. noise (in mJy/beam or K, see x_rms) of the maps at the spatial and velocity resolutions quoted in previous columns 47 A1 --- x_rms [*] When *, the r.m.s. noise is in mJy/beam, else in K 49 A1 --- Map1 [+] +: Map of the distribution of the total HI emission 51 A1 --- Map2 [+] +: Channel maps 53 A1 --- Map3 [+] +: Position-velocity maps 55 A1 --- Map4 [+] +: Individual profiles 57 A1 --- Map5 [+] +: Tables 59 A1 --- Map6 [+] +: Rotation curve 61 A1 --- Map7 [+] +: Radial velocity Field 63 A1 --- Map8 [+] +: Distribution of HI emission along one axis of the galaxy (see the text) 65 A1 --- Map9 [+] +: Global HI profile of the integrated HI emission 67 A1 --- l_nHI [~] Limit flag on nHI 68- 72 F5.1 10+19cm-2 nHI ? Sensitivity reached in the observation, expressed by the lowest value of n(HI), only for Int-type maps 74- 75 A2 --- l_HIExt [ ~>] Limit flag on HIExt 76- 80 F5.1 arcmin HIExt ? The largest extension of HI measured at n(HI) level of the previous column 83- 90 A8 --- Notes Notes detailed in file notes.dat 92 A1 --- l_MHI/D0 Limit flag on MHI/D0 93-101 F9.2 10+6solMass/Mpc2 MHI/D0 ? HI mass, as given in the reference and by integration of the HI maps (3) 103-105 I3 --- r_Note ? Reference (in refs.dat file)
Note (1): When several consecutive galaxies have an asterisk (*) for the first byte, they are enclosed in a same structure of gas, and the HI parameters contained in file hidata.dat are for the group of galaxies as a whole Note (2): 6m: 6.4-m (21-ft) parabolic antenna, Australia 11m: 11-m (36-ft) parabolic antenna, Australia 18m: 18.3m (60-ft) radio Telescope of Harvard Observatory, Great Britain Dwing: 25-m (82-ft) telescope at Dwingeloo, The Netherlands DRAO: 25-m (82-ft) radio telescope of the Dominion Radio Astrophysical Observatory, Canada IAR: 30-m radio telescope of the Instituto Argentino de Radioastronoma, Argentina Parkes: 64-m (210-ft) radio telescope of Australian National Radio Astronomical Observatory at Parkes, New South Wales, Australia Mk I: 76-m (250-ft) Mk I radio telescope at Jodrell Bank, Great Britain Mk IA: 76-m (250-ft) Mk IA radio telescope at Jodrell Bank, Great Britain 80m: 80-m (260-ft) radio telescope of the Ohio State University, USA 91m: NRAO 91-meter (300-ft) telescope in Green Bank, West Virginia, USA Effelsb: 100m (330-ft) radio telescope at Effelsberg, Germany Nancay: 200-m (655-ft) Nancay transit radio telescope, France Arecibo: 305-m (1000-ft) radio telescope at Arecibo, Puerto Rico ATCA: Australia Telescope Compact Array, Australia HM-C: Two elements interferometer of Cambridge Half-Mile radio telescope, Great Britain MRAO: half-mile telescope at the Mullard Radio Astronomy Observatory, Cavendish Laboratory, Cambridge NRint: Three-element interferometer of the NRAO Green Bank, USA OVRO: two-element interferometer of the Owens Valley Radio Observatory, California, USA TEST: Two-element synthesis telescope: Parkes 64-m radio telescope and a movable 18-m antenna, Australia VLA: Very Large Array of the NRAO, USA WSRT: Westerbork Synthesis Radio Telescope, The Netherlands Note (3): This quantity was unaffected by distance effects, to be helpful in the comparison of the total gas emission collected by different telescopes.
Byte-by-byte Description of file: notes.dat
Bytes Format Units Label Explanations
2- 4 I3 --- NoteN Note number 7 I1 --- Ntot Total number of lines for the reference 9 I1 --- Nline Running line number in range [1,Ntot] 11- 86 A76 --- Text Text of the note
Byte-by-byte Description of file: opdata.dat
Bytes Format Units Label Explanations
1 A1 --- Note [*] Note for galaxies (1) 2- 13 A12 --- Name Galaxy name. 15- 36 A22 --- Names Alternative name of the galaxy 38 A1 --- nLEDA [~] Presence in LEDA catalogue (2) 39- 40 I2 h RAh Right ascension (1950) 41- 42 I2 min RAm Right ascension (1950) 43- 46 F4.1 s RAs Right ascension (1950) 47 A1 --- DE- Declination sign 48- 49 I2 deg DEd Declination (1950) 50- 51 I2 arcmin DEm Declination (1950) 52- 53 I2 arcsec DEs Declination (1950) 55- 60 F6.2 arcmin Dopt ? The corrected optical diameter Do, from LEDA 62- 65 A4 --- Type Morphological description (3) 66- 67 I2 --- MType [-6/10]? Morphological Type Code (-6 to 10)
Note (1): When several consecutive galaxies have an asterisk (*) for the first byte, they are enclosed in a same structure of gas, and the HI parameters contained in file hidata.dat are for the group of galaxies as a whole Note (2): If symbol ~ is present, the galaxy was not found in LEDA catalogue. In these cases the coordinates were taken from the reference (see the text) Note (3): S = Spiral E = Eliptical L = Lenticular I = Irregular C = Compact B = Bar R = Ring M = Multiple, possible interaction D = Dwarf
Byte-by-byte Description of file: refs.dat
Bytes Format Units Label Explanations
1- 3 I3 --- Ref Reference number 5- 23 A19 --- BibCode Simbad bibcode 25-123 A99 --- Aut Author names and complete reference
History: * 31-Mar-1998: First creation * 23-Nov-1999: 2 corrections in opdata.dat for UGC 1835 = IC 221 (instead of IC 1835) Zw 157-31 = IC 2957 (instead of IC 2954)