For optical flickering in symbiotic star MWC 560

1. Ando, K., Fukuda, N., Sato, B. et al., 2021, PASJ, 73, L37.10.1093/pasj/psab104 Search in Google Scholar

2. Bonev, T. et al., 2017, Bulg. Astron. Journal 26, 67. Search in Google Scholar

3. Bopp, B. W. & Howell, S. B. 1989, PASP, 101, 981. Search in Google Scholar

4. Goranskij, V. P. et al. 2018, ATel, #12227. Search in Google Scholar

5. Goranskij, V. P. et al. 2021, ATel #15061.10.5465/AMBPP.2021.15061abstract Search in Google Scholar

6. Henden, A. A., Levine, S., Terrell, D., & Welch, D. L., 2015, AAS, 225, 336. Search in Google Scholar

7. Howell, S. B. et al. 2009 PASP, 121, 16. Search in Google Scholar

8. Kjurkchieva, D. et. al., Bulg. Astron. Journal, 2020, Vol. 32, p. 113. Search in Google Scholar

9. Kondratyeva, L. N. et. al., 2021, Ap, 64, 306.10.1007/s10511-021-09691-2 Search in Google Scholar

10. Lucy, A., V. et al. 2020, MNRAS, 492, 3107. Search in Google Scholar

11. Munari, U. et al. 2016, NewA 49, 43. Search in Google Scholar

12. Munari, U. & Dallaporta, S., 2021, ATel #15066. Search in Google Scholar

13. Tomov, T. et al., 1990, Nature 346, 637.10.1038/346637a0 Search in Google Scholar

14. Zamanov, R. et al. 2020, ATel, #14239. Search in Google Scholar

15. Zamanov, R. et al. 2021, ATel., #14988. Search in Google Scholar

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