Spectral Variability of the Herbig Ae/Be Star HD 37806

Погодин, М. А.; Pavlovskiy, S. E.; Козлова, О. В.; Beskrovnaya, N. G.; Alekseev, I. Yu.; Valyavin, G. G.

doi:10.1007/s10511-018-9511-3

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…As we mentioned above, recently HAe/Be stars are divided into two subgroups: these are HAe and HBe types [64]. In recent years, the study of HAe type subgroup stars has shown that such stars have signs of magnetospheric accretion.…”

Section: Current State Of Researchesmentioning

confidence: 94%

“…It is known that the vast majority of stars of various masses visible in the optical range at the Pre-Main Sequence (PMS) stage of their evolution are surrounded by circumstellar disks [18]. In such disks, flow -accretion of matter to the star surface continues [9,64,66]. At the same time, a strong stellar wind is observed in young stars along with accretion.…”

Section: Current State Of Researchesmentioning

confidence: 99%

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A new challenge in the study of young stars:Massive HBE stars

Исмаилов¹,

Adigozalzade²

2023

A.Journ.Az.

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Section: Current State Of Researchesmentioning

confidence: 94%

Section: Current State Of Researchesmentioning

confidence: 99%

A new challenge in the study of young stars:Massive HBE stars

Исмаилов¹,

Adigozalzade²

2023

A.Journ.Az.

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“…This contradicts the conclusion of Cauley and Johns-Krull [25] that Herbig Be stars have no magnetospheres. For more details see Pogodin et al [26].…”

Section: Signatures Of the Magnetosphere Around The Early Type Herbig B6e Star Hd 259431mentioning

confidence: 99%

Searching for Magnetospheres around Herbig Ae/Be Stars

et al. 2021

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We describe four different approaches for the detection of magnetospheric accretion among Herbig Ae/Be stars with accretion disks. Studies of several unique objects have been carried out. One of the objects is the Herbig Ae star HD 101412 with a comparatively strong magnetic field. The second is the early-type Herbig B6e star HD 259431. The existence of a magnetosphere in these objects was not recognized earlier. In both cases, a periodicity in the variation of some line parameters, originating near the region of the disk/star interaction, has been found. The third object is the young binary system HD 104237, hosting a Herbig Ae star and a T Tauri star. Based on the discovery of periodic variations of equivalent widths of atmospheric lines in the spectrum of the primary, we have concluded that the surface of the star is spotted. Comparing our result with an earlier one, we argue that these spots can be connected with the infall of material from the disk onto the stellar surface through a magnetosphere. The fourth example is the Herbig Ae/Be star HD 37806. Signatures of magnetospheric accretion in this object have been identified using a different method. They were inferred from the short-term variability of the He i λ5876 line profile forming in the region of the disk/star interaction.

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