Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 27 июля 2022 г.
Аннотация:The observed characteristics of the spectral and photometric variability of SS 433 are discussed based on the data for 2018–2021 and compared with earlier results. The change in the orbital period that we discovered earlier according to V-photometry is confirmed by the data in the B-filter, although with lessaccuracy. In the observation interval from 1978 to 2021, secular changes are not observed either in the stationary or moving Hα lines. However, there are breaks in the precession phase up to ±11 days, which appear at time scales less than 1 year and disappear in 2–3 years.