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Omega1 Cygni

B-type subgiant star in the constellation Cygnus

Omega1 Cygni
Summary

B-type subgiant star in the constellation Cygnus

| b-v = −0.09 | u-b = −0.68 | r-i = Omega1 Cygni, Latinized from ω1 Cygni, is the Bayer designation for a solitary star in the northern constellation of Cygnus. It is visible to the naked eye with an apparent visual magnitude of 4.94. Based upon an annual parallax shift of , it is estimated to lie roughly from the Sun. Relative to its neighbors, this star has a peculiar velocity of .

TESS]]'' data<ref name=MAST/>

This is a somewhat evolved B-type subgiant star with a stellar classification of B2.5 IV. Telting and colleagues report it as a Beta Cephei variable with a high degree of confidence as they found regular pulsations in its spectrum in a high-resolution spectroscopy study published in 2006. Its brightness varies irregularly by 0.034 magnitude every 1.137 days.

Notes

References

| display-authors=1 | last1=Tetzlaff | first1=N. | doi-access=free | arxiv=1007.4883 | bibcode=2011MNRAS.410..190T | s2cid=118629873 }}

| display-authors=1 | last1=Telting | first1=J. H.

| access-date=2017-02-22 }}

References

  1. {{cite DR2. 2083947891862120192
  2. (2017). "The IACOB project . III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars". Astronomy and Astrophysics.
  3. (2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters.
  4. "V2014 Cygni".
Wikipedia Source

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b-type-subgiants beta-cephei-variables cygnus-(constellation) bayer-objects flamsteed-objects henry-draper-catalogue-objects hipparcos-objects bright-star-catalogue-objects objects-with-variable-star-designations durchmusterung-objects
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