RX J0019.8+2156

RA 2000:   00:19:50.0 3
DEC2000: +21:56:54 3

Type:     CBSS

Discovery paper

ROSAT PSPC [c/s]: 2.0 2

NHgal [1021 cm-2]: 0.429

[rxj0019_fc.gif; Ref. 3]


 
General Data
Spectra
mB [mag]:   12.3 2 23 B-V [mag]: +0.1 2 14 23  
D [kpc]:       2 ± 1 2 Mv [mag]:   +0.6 13 UV
Porb [days]:   0.6604 [img] 2 3 7 22   Opt
i [deg] :       16-80 14 15 20 K [km/s] :     71.2 ± 3.6 [img] 2 14 15 23 IR

 
 
X-ray Data
Model kT [eV] NH [1021 cm-2] L [erg/s]
blackbody      
WD atmosph 25-37 2 0.4-1.1 2  

 
 
Variability
Orbital X-ray: quasi-sinusoidal, 10% amplitude [img] 2
  optical: 0.5 mag quasi-sinusoidal [img] 2 7 15 22
Other X-ray: constant between 1990-1995 2
  UV: 20% irregular 8
  optical: 3 different timescales: 2 h, weeks-months, 40 yrs [img] 2 3

 
Other Data
Nebula [erg/s]:   Outflow [km/s]: 600-900 [img] 2 14 15 20 23
Radio [mJy]:    

 

References:

  1. Reinsch K., Beuermann K., Thomas H.-C., 1993, Astron. Ges. Abstr. Ser. 9, 41 short discovery report including X-ray spectral characteristics, optical and IUE spectrum, orbital period
  2. Beuermann K., Reinsch K., Barwig H., Burwitz V., de Martino D., Mantel K.-H., Pakull M.W., Robinson E.L., Schwope A.D., Thomas H.-C., Trümper J., van Teeseling A., Zhang E., 1995, A&A 294, L1 discovery, X-ray and optical properties
  3. Greiner J., Wenzel W., 1995, A&A 294, L5 long-term optical variability, improved orbital period, finding chart
  4. Kahabka P., 1995, A&A 304, 227 WD mass from variability timescale
  5. Fender R.P., Bell Burnell S.J., 1996, in Röntgenstrahlung from the Universe, Eds. H.U. Zimmermann et al, MPE Report 263, p. 135 infrared imaging (JHK)
  6. Meyer F., Meyer-Hofmeister E., 1996, in Supersoft X-ray sources,ed. J. Greiner, Lecture Notes in Physics 472, Springer, p. 153 modelling of optical long-term lightcurve
  7. Will T., Barwig H., 1996, in Supersoft X-ray sources, ed. J. Greiner, Lecture Notes in Physics 472, Springer, p. 99 3 yrs optical photometry, improved period
  8. Gansicke B.T., Beuermann K., de Martino D., 1996, in Supersoft X-ray sources, ed. J. Greiner, Lecture Notes in Physics 472, Springer p. 107 phase-resolved UV spectroscopy
  9. Matsumoto K., 1996, PASJ 48, 827 BVRI photometry
  10. Bartolini C., Guarnieri A., Piccioni A., Solmi L., 1996, in Cataclysmic Variables and Related Objects, Keele, June 1995, eds. E. Evans, J.H. Wood, ASSL 208, p. 427 optical flaring within 2 days
  11. Reinsch K., van Teeseling A., Beuermann K., Thomas H.-C., 1996, in Röntgenstrahlung from the Universe, Eds. H.U.Zimmermann, J. Trümper, H. Yorke, MPE Report 263, p. 183 trailed spectrogram, long-term variability
  12. Meyer-Hofmeister E., Schandl S., Meyer F., 1997, A&A 321, 245
  13. Matsumoto K., Fukue J., 1998, PASJ 50, 89 modelling of irradiation effects on disk spectrum
  14. Cowley A.P., Schmidtke P.C., Crampton D., Hutchings J.B., 1998, ApJ 504, 854 photometry, B-V, Mv
  15. Becker C.M., Remillard R.A., Rappaport S.A., McClintock J.E.,1998, ApJ 506, 880 mass function, inclination, jets, P Cygni profile variability
  16. Matsumoto K., Okugami M., Fukue J., 1998, IAU Symp. 188, The hot Universe, Kyoto, eds. K. Koyama, S. Kitamoto, M. Itoh, p. 350 modelling of irradiation effects
  17. Cowley A.P., Schmidtke P.C., Crampton D., Hutchings J.B., 1998, IAU Symp. 190, 100 summary of SSS
  18. Matsumoto K., Fukue J., 1998 PASJ 50, 89 modelling of irradiated disk
  19. Meyer-Hofmeister E., Schandl S., Deufel B., Barwig H., Meyer F., 1998, A&A 331, 612 short-time variability
  20. Tomov T., Munari U., Kolev D., Tomasella L., Rejkuba M., 1998, A&A 333, L67 jet
  21. Quaintrell H., Fender R.P., 1998, A&A 335, L17 infrared photometry and spectroscopy, IR outflow
  22. Reinsch K., van Teeseling A., Beuermann K., Thomas H.-C., 1999, in Proc. "Highlights in X-ray Astronomy", eds. B. Aschenbach & M.J. Freyberg, Garching, June 1998, MPE Report 272, p. 70 long-term X-ray light curve
  23. Deufel B., Barwig H., Simic D., Wolf S., Drory N., 1999, A&A 343, 455 radial velocity H(alpha) + He, Doppler tomograms, mass function, emission line origin
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last edited: January 27, 2000