J/A+A/420/571 V1974 Cyg IUE spectroscopy (Cassatella+, 2004)
A study of the expanding envelope of Nova V1974 Cyg 1992 based on
IUE high resolution spectroscopy.
Cassatella A., Lamers H.J.G.L.M., Rossi C., Altamore A.,
Gonzalez-Riestra R.
<Astron. Astrophys., 420, 571-588 (2004)>
=2004A&A...420..571C 2004A&A...420..571C
ADC_Keywords: Stars, variable ; Binaries, cataclysmic ; Radial velocities ;
Spectra, ultraviolet
Keywords: stars: novae, cataclysmic variables - techniques: spectroscopic -
ultraviolet: stars - X-rays: stars
Abstract:
We have carried out a detailed analysis of the IUE archival high
resolution spectra of the classical nova V1974 Cyg 1992.
The main UV resonance lines show P Cygni profiles in the first days,
which change into symmetric pure emission lines, and then slowly
become fainter and narrower. Lines of higher ionization species reach
their peak luminosity later than those of low ionization.
Description:
We mainly concentrate on the analysis of the high resolution
observations of V1974 Cyg (about 140 spectra), which cover 200 days
and 330 days of its post-outburst evolution in the SWP and LWP
cameras, respectively, at a resolution of about 25km/s.
The tables contain, in a sequence, the IUE camera and image number,
the date of the observation, and the measured radial velocities in
km/s. The laboratory vacuum wavelengths of the transitions considered
are indicated. The labels "p" and "d" refer, respectively, to the
principal and the diffuse-enhanced absorption systems. Blanks mean
that no reliable radial velocity measurements could be obtained.
Objects:
-----------------------------------------
RA (2000) DE Designation(s)
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20 30 31.7 +52 37 51 V1974 Cyg
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 32 28 Radial velocity measurements for the principal system
components of the Mg II 2796.35Å and 2803.52Å
K and H lines
table2.dat 56 11 Radial velocities for the principal system components
of the O I uv1 triplet and the S II uv1 doublet
table3.dat 64 25 Radial velocities for the principal and
diffuse-enhanced system of Fe II uv8 and uv44
table4.dat 46 22 Radial velocities for the principal and
diffuse-enhanced system of Fe III uv34
table5.dat 66 35 Radial velocities for the principal and diffuse
systems of the Al III uv1 and Si IV uv1 doublets
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See also:
J/AZh/71/618 : UBVJHKLM Photometry of Nova Cygni 1992 (Kolotilov+, 1994)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- LWP LWP (camera) number
7- 16 F10.2 d HJD Heliocentric Julian date
18- 22 I5 km/s RV(2796.35p) ? Radial velocity of Mg II 2796.35Å
24- 28 I5 km/s RV(2803.53p) ? Radial velocity of Mg II 2803.53Å
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- SWP SWP (camera) number
7- 16 F10.2 d HJD Heliocentric Julian date
18- 22 I5 km/s RV(1302.17p) ? Radial velocity of O I 1302.17Å
24- 28 I5 km/s RV(1304.86p) ? Radial velocity of O I 1304.86Å
30- 34 I5 km/s RV(1306.023p) ? Radial velocity of O I 1306.023Å
36- 40 I5 km/s RV(1250.50p) ? Radial velocity of O I 1250.50Å
42- 46 I5 km/s RV(1253.70p) ? Radial velocity of O I 1253.70Å
48- 52 I5 km/s RV(1259.53p) ? Radial velocity of O I 1259.53Å
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- SWP SWP (camera) number
7- 16 F10.2 d HJD Heliocentric Julian date
18- 22 I5 km/s RV(1584.95p) ? Fe II uv44 1584.95Å principal system
radial velocity
24- 28 I5 km/s RV(1588.30p) ? Fe II uv8 1588.30Å principal system
radial velocity
30- 34 I5 km/s RV(1608.45p) ? Fe II uv8 1608.45Å principal system
radial velocity
36- 40 I5 km/s RV(1618.46p) ? Fe II uv8 1618.46Å principal system
radial velocity
42- 46 I5 km/s RV(1618.46d) ? Fe II uv8 1618.46Å diffuse-enhanced
system radial velocity
48- 52 I5 km/s RV(1639.40p) ? Fe II uv8 1639.40Å principal system
radial velocity
54- 58 I5 km/s RV(1639.40d) ? Fe II uv8 1639.40Å diffuse-enhanced
system radial velocity
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- SWP SWP (camera) number
7- 16 F10.2 d HJD Heliocentric Julian date
18- 22 I5 km/s RV(1895.46p) ? Fe III uv34 1895.46Å principal system
radial velocity
24- 28 I5 km/s RV(1926.30p) ? Fe III uv34 1926.30Å principal system
radial velocity
30- 34 I5 km/s RV(1895.46d) ? Fe III uv34 1895.46Å diffuse-enhanced
system radial velocity
36- 40 I5 km/s RV(1926.30d) ? Fe III uv34 1926.30Å diffuse-enhanced
system radial velocity
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 5 I5 --- SWP SWP (camera) number
7- 16 F10.2 d HJD Heliocentric Julian date
18- 22 I5 km/s RV(1854.72d) ? Al III uv1 1854.72Å diffuse system
radial velocity
24- 28 I5 km/s RV(1862.78p) ? Al III uv1 1862.78Å principal system
radial velocity
30- 34 I5 km/s RV(1393.76p) ? Si IV uv1 1393.76Å principal system
radial velocity
36- 40 I5 km/s RV(1402.77p) ? Si IV uv1 1402.77Å principal system
radial velocity
42- 46 I5 km/s RV(1393.76d) ? Si IV uv1 1393.76Å diffuse system
radial velocity
48- 52 I5 km/s RV(1402.77d) ? Si IV uv1 1402.77Å diffuse system
radial velocity
54- 58 I5 km/s RV(1238.80p) ? N V 1238.80Å principal system
radial velocity
60- 64 I5 km/s RV(1242.48p) ? N V 1242.48Å principal system
radial velocity
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Acknowledgements: Angelo Cassatella
References:
Cassatella et al., Paper I 2002A&A...384.1023C 2002A&A...384.1023C
(End) Patricia Vannier [CDS] 23-Jul-2004