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  Optical spectroscopy of SRG/eROSITA objects with 2.5-m telescope at the Caucasus Mountain Observatory of the SAI MSU

Dodin, A. V., Potanin, S., Shatsky, N. I., Belinski, A. A., Atapin, K., Burlak, M. A., et al. (2020). Optical spectroscopy of SRG/eROSITA objects with 2.5-m telescope at the Caucasus Mountain Observatory of the SAI MSU. Astronomy Letters - a Journal of Astronomy and Space Astrophysics, 46(7), 429-438. doi:10.1134/S106377372007004X.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0007-DC45-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-DC46-3
Genre: Journal Article

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Optical spectroscopy of SRG eROSITA objects with 2.5-m telescope at the Caucasus Mountain Observatory of the SAI MSU.pdf (Any fulltext), 2MB
 
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Dodin, A. V., Author
Potanin, S.A., Author
Shatsky, N. I., Author
Belinski, A. A., Author
Atapin, K.E., Author
Burlak, M. A., Author
Egorov, O.V., Author
Tatarnikov, A. M., Author
Postnov, K. A., Author
Belvedersky, M. I., Author
Burenin, R. A., Author
Gilfanov, M. R.1, Author           
Medvedev, P.S., Author
Meshcheryakov, A. V., Author
Sazonov, S.Yu., Author
Khorunzhev, G. A., Author
Sunyaev, R. A.1, Author           
Affiliations:
1High Energy Astrophysics, MPI for Astrophysics, Max Planck Society, ou_159881              

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 Abstract: Based on observations with the new transient double-beam spectrograph (TDS) at the 2.5-m telescope of the Caucasus Mountain Observatory of SAI MSU, we have determined the types and found the redshifts for six new X-ray sources (four quasars and two galaxy clusters) detected by the SRG space observatory during the Lockman Hole observations at the eROSITA performance verification phase. We show that the TDS allows the spectra of objects ∼20m to be taken in 2 h of observations with a signal-to-noise ratio higher than 5 and a resolution R∼1500. The types and redshifts of the objects determined from our spectroscopic observations agree well with the predictions based on photometric data using the SRGz automatic classification system.

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Language(s): eng - English
 Dates: 2020-11-06
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1134/S106377372007004X
Other: LOCALID: 3281882
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Title: Astronomy Letters - a Journal of Astronomy and Space Astrophysics
  Alternative Title : Astron. Lett.-J. Astron. Space Astrophys.
Source Genre: Journal
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Pages: - Volume / Issue: 46 (7) Sequence Number: - Start / End Page: 429 - 438 Identifier: ISSN: 1063-7737
ISSN: 1562-6873