References analysis of the Wikipedia article "Cygnus OB2" in the English version

arxiv.org

Parker, Richard J.; Crowther, Paul A.; Rate, Gemma (2020). "Unlocking Galactic Wolf–Rayet stars with Gaia DR2 – II. Cluster and association membership". Monthly Notices of the Royal Astronomical Society. 495 (1): 1209–1226. arXiv:2005.02533. Bibcode:2020MNRAS.495.1209R. doi:10.1093/mnras/staa1290. S2CID 218516882.

Schuster, M. T.; Marengo, M.; Hora, J. L.; Fazio, G. G.; Humphreys, R. M.; Gehrz, R. D.; Hinz, P. M.; Kenworthy, M. A.; Hoffmann, W. F. (2009). "Imaging the Cool Hypergiant NML Cygni's Dusty Circumstellar Envelope with Adaptive Optics". The Astrophysical Journal. 699 (2): 1423–1432. arXiv:0904.4690. Bibcode:2009ApJ...699.1423S. doi:10.1088/0004-637X/699/2/1423. S2CID 17699562.

Rygl, K.; Brunthaler, A.; Sanna, A.; Menten, K. M.; Reid, M. J.; van Langevelde, H. J.; Honma, M.; Torstensson, K. J. E.; Fujisawa, K. (March 2012). "Parallaxes and proper motions of interstellar masers toward the Cygnus X star-forming complex. I. Membership of the Cygnus X region". Astronomy and Astrophysics. 539: A79. arXiv:1111.7023. Bibcode:2012A&A...539A..79R. doi:10.1051/0004-6361/201118211. S2CID 54647474.

Knödlseder, J. (2000). "Cygnus OB2—a young globular cluster in the Milky Way". Astronomy and Astrophysics. 360: 539. arXiv:astro-ph/0007442. Bibcode:2000A&A...360..539K.

Wright, Nicholas J.; Parker, Richard J.; Goodwin, Simon P.; Drake, Jeremy J. (2014). "Constraints on massive star formation: Cygnus OB2 was always an association". Monthly Notices of the Royal Astronomical Society. 438 (1): 639–646. arXiv:1311.4537. Bibcode:2014MNRAS.438..639W. doi:10.1093/mnras/stt2232. S2CID 16957082.

Wright, N. J.; Drake, J. J.; Drew, J. E.; Vink, J. S. (2010). "The Massive Star-Forming Region Cygnus OB2. II. Integrated Stellar Properties and the Star Formation History". The Astrophysical Journal. 713 (2): 871–882. arXiv:1003.2463. Bibcode:2010ApJ...713..871W. doi:10.1088/0004-637X/713/2/871. S2CID 118590238.

Hartigan, P.; Palmer, J.; Cleeves, L.I. (2012). "Irradiated interfaces in the Ara OB1, Carina, Eagle Nebula, and Cyg OB2 massive star formation regions". High Energy Density Physics. 8 (4): 313. arXiv:1304.3930. Bibcode:2012HEDP....8..313H. doi:10.1016/j.hedp.2012.08.002. S2CID 118863688.

Wright, Nicholas J.; Drew, Janet E.; Mohr-Smith, Michael (2015). "The massive star population of Cygnus OB2". Monthly Notices of the Royal Astronomical Society. 449 (1): 741–760. arXiv:1502.05718. Bibcode:2015MNRAS.449..741W. doi:10.1093/mnras/stv323. S2CID 119268358.

Massey, P.; Degioia-Eastwood, K.; Waterhouse, E. (2001). "The Progenitor Masses of Wolf-Rayet Stars and Luminous Blue Variables Determined from Cluster Turnoffs. II. Results from 12 Galactic Clusters and OB Associations". The Astronomical Journal. 121 (2): 1050–1070. arXiv:astro-ph/0010654. Bibcode:2001AJ....121.1050M. doi:10.1086/318769. S2CID 53345173.

Sota, A.; Maíz Apellániz, J.; Morrell, N. I.; Barbá, R. H.; Walborn, N. R.; Gamen, R. C.; Arias, J. I.; Alfaro, E. J.; Oskinova, L. M. (2019). "The Galactic WN stars revisited. Impact of Gaia distances on fundamental stellar parameters". Astronomy & Astrophysics. A57: 625. arXiv:1904.04687. Bibcode:2019A&A...625A..57H. doi:10.1051/0004-6361/201834850. S2CID 104292503.

Davies, Ben; Beasor, Emma R. (March 2020). "The 'red supergiant problem': the upper luminosity boundary of Type II supernova progenitors". MNRAS. 493 (1): 468–476. arXiv:2001.06020. Bibcode:2020MNRAS.493..468D. doi:10.1093/mnras/staa174. S2CID 210714093.

Herrero, A.; Puls, J.; Najarro, F. (2002). "Fundamental parameters of Galactic luminous OB stars VI. Temperatures, masses and WLR of Cyg OB2 supergiants". Astronomy and Astrophysics. 396 (3): 949–966. arXiv:astro-ph/0210469. Bibcode:2002A&A...396..949H. doi:10.1051/0004-6361:20021432. S2CID 16917437.

Kiminki, D. C.; Kobulnicky, H. A.; Ewing, I.; Bagley Kiminki, M. M.; Lundquist, M.; Alexander, M.; Vargas-Alvarez, C.; Choi, H.; Henderson, C. B. (2012). "Additional Massive Binaries in the Cygnus OB2 Association". The Astrophysical Journal. 747 (1): 41. arXiv:1112.3383. Bibcode:2012ApJ...747...41K. doi:10.1088/0004-637X/747/1/41. S2CID 119203797.

Kobulnicky, Henry A.; Kiminki, Daniel C.; Lundquist, Michael J.; Burke, Jamison; Chapman, James; Keller, Erica; Lester, Kathryn; Rolen, Emily K.; Topel, Eric; Bhattacharjee, Anirban; Smullen, Rachel A.; Vargas Alvarez, Carlos A.; Runnoe, Jessie C.; Dale, Daniel A.; Brotherton, Michael M. (2014). "Toward Complete Statistics of Massive Binary Stars: Penultimate Results from the Cygnus OB2 Radial Velocity Survey". The Astrophysical Journal Supplement Series. 213 (2): 34. arXiv:1406.6655. Bibcode:2014ApJS..213...34K. doi:10.1088/0067-0049/213/2/34. S2CID 118543368.

Nazé, Y.; Mahy, L.; Damerdji, Y.; Kobulnicky, H. A.; Pittard, J. M.; Parkin, E. R.; Absil, O.; Blomme, R. (2012). "The 2.35 year itch of Cygnus OB2 #9". Astronomy & Astrophysics. 546: A37. arXiv:1209.5622. Bibcode:2012A&A...546A..37N. doi:10.1051/0004-6361/201219442. S2CID 119187102.

Clark, J. S.; Najarro, F.; Negueruela, I.; Ritchie, B. W.; Urbaneja, M. A.; Howarth, I. D. (2012). "On the nature of the galactic early-B hypergiants". Astronomy & Astrophysics. 541: A145. arXiv:1202.3991. Bibcode:2012A&A...541A.145C. doi:10.1051/0004-6361/201117472. S2CID 11978733.

Gvaramadze, V. V.; Bomans, D. J. (2008). "BD+43 3654 - a blue straggler?". Astronomy & Astrophysics. 485 (3): L29 – L32. arXiv:0805.3893. Bibcode:2008A&A...485L..29G. doi:10.1051/0004-6361:200809860. S2CID 18755032.

doi.org

Massey, P.; Thompson, A. B. (1991). "Massive stars in CYG OB2". The Astronomical Journal. 101: 1408. Bibcode:1991AJ....101.1408M. doi:10.1086/115774.

Comerón, F.; Pasquali, A. (2012). "New members of the massive stellar population in Cygnus". Astronomy & Astrophysics. 110: 2715. Bibcode:2012A&A...543A.101C. doi:10.1051/0004-6361/201219022.

Morris, M.; Jura, M. (1983). "The nature of NML Cygnus". Astrophysical Journal. 267: 179. Bibcode:1983ApJ...267..179M. doi:10.1086/160856.

Rauw, G.; Vreux, J. -M.; Bohannan, B. (1999). "The Interacting Early-Type Binary BD +40°4220 (V729 Cyg): Modeling the Colliding Winds Region". The Astrophysical Journal. 517 (1): 416–430. Bibcode:1999ApJ...517..416R. doi:10.1086/307185.

De Becker, M.; Rauw, G.; Sana, H.; Pollock, A. M. T.; Pittard, J. M.; Blomme, R.; Stevens, I. R.; Van Loo, S. (2006). "XMM-Newton observations of the massive colliding wind binary and non-thermal radio emitter CygOB2#8A [O6If + O5.5III(f)]" (PDF). Monthly Notices of the Royal Astronomical Society. 371 (3): 1280–1294. Bibcode:2006MNRAS.371.1280D. doi:10.1111/j.1365-2966.2006.10746.x.

Münch, Luis; Morgan, W. W. (1953). "Notes: A Probable Clustering of Blue Giants in Cygnus". Astrophysical Journal. 118: 161. Bibcode:1953ApJ...118..161M. doi:10.1086/145737.

Morgan, W. W.; Johnson, H. L.; Roman, Nancy G. (1954). "A Very Red Star of Early Type in Cygnus". Publications of the Astronomical Society of the Pacific. 66 (389): 85. Bibcode:1954PASP...66...85M. doi:10.1086/126660.

Morgan, W. W.; Meinel, A. B.; Johnson, Hugh M. (1954). "Spectral Classification with Exceedingly Low Dispersion". Astrophysical Journal. 120: 506. Bibcode:1954ApJ...120..506M. doi:10.1086/145938.

Bica, E.; Bonatto, Ch.; Dutra, C. M. (2003-07-01). "Does Cyg OB2 harbour any open cluster?". Astronomy and Astrophysics. 405 (3): 991–998. Bibcode:2003A&A...405..991B. doi:10.1051/0004-6361:20030700. hdl:10183/108028. ISSN 0004-6361.

harvard.edu

ui.adsabs.harvard.edu

Knödlseder, J. (2000). "Cygnus OB2—a young globular cluster in the Milky Way". Astronomy and Astrophysics. 360: 539. arXiv:astro-ph/0007442. Bibcode:2000A&A...360..539K.

Massey, P.; Thompson, A. B. (1991). "Massive stars in CYG OB2". The Astronomical Journal. 101: 1408. Bibcode:1991AJ....101.1408M. doi:10.1086/115774.

Comerón, F.; Pasquali, A. (2012). "New members of the massive stellar population in Cygnus". Astronomy & Astrophysics. 110: 2715. Bibcode:2012A&A...543A.101C. doi:10.1051/0004-6361/201219022.

Morris, M.; Jura, M. (1983). "The nature of NML Cygnus". Astrophysical Journal. 267: 179. Bibcode:1983ApJ...267..179M. doi:10.1086/160856.

Münch, Luis; Morgan, W. W. (1953). "Notes: A Probable Clustering of Blue Giants in Cygnus". Astrophysical Journal. 118: 161. Bibcode:1953ApJ...118..161M. doi:10.1086/145737.

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Cygnus OB2 (English Wikipedia)

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