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J/AZh/84/147        Light curves of V838 Mon and V4332 Sgr   (Goranskii+, 2007)

Comparative spectral analysis of the peculiar red novae V838 Mon and V4332 Sgr in quiescence after their outbursts. Goranskii V.P., Barsukova E.A. <Astron. Zh. 84, 147 (2007)> =2007AZh....84..147G =2007ARep...51..126G
ADC_Keywords: Novae ; Stars, variable ; Photometry, UBVRI ; Photometry, Cousins Abstract: We analyze spectra of V838 Mon and V4332 Sgr taken in 2004-2005 using the 6m telescope of the Special Astrophysical Observatory with the UAGS and SCORPIO spectrographs. We conclude based on spectroscopy combined with archive photographs and modern CCD photometry that both peculiar red novae were binaries prior to their outbursts, and contained blue hot components that exploded. The secondary of V838 Mon is a hot B3V star, and that of V4332 Sgr is a cool M7 star. Description: Archival and modern photometry for V838 Mon and V4332 Sgr. Objects: ---------------------------------------------------------------- RA (2000) DE Designation(s) (File) ---------------------------------------------------------------- 07 04 05 -03 50.9 V838 Mon = NOVA Mon 2002 (v838mon.dat) 18 50 37 -21 23.5 V4332 Sgr = NOVA Sgr 1994 (v4332sgr.dat) ---------------------------------------------------------------- File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file v4332sgr.dat 50 138 V4332 Sgr light curves v838mon.dat 50 803 V838 Mon light curves
See also: J/A+A/434/1107 : UBV(RI)c photometry of stars around V838 Mon (Munari+, 2005) J/ApJ/598/L43 : Polarimetry of V838 Mon and stars around (Wisniewski+, 2003) J/PAZh/28/764 : UBVR photometry of Nova Mon 2002 (V838 Mon) (Goranskii+, 2002) Byte-by-byte Description of file: v4332sgr.dat v838mon.dat
Bytes Format Units Label Explanations
1- 12 F12.4 d HJD Heliocentric Julian date 14- 19 F6.3 mag Vmag ?=- Johnson V magnitude 21- 26 F6.3 mag Bmag ?=- Johnson B magnitude 28- 33 F6.3 mag Umag ?=- Johnson U magnitude 35- 40 F6.3 mag Rcmag ?=- Cousins R magnitude 42- 47 F6.3 mag Icmag ?=- Cousins I magnitude 49- 50 A2 --- Ref Datasource code, not detailed in the paper
History: Copied at
(End) Patricia Vannier [CDS] 23-Nov-2007
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