Collinder 228 Explained
| Collinder 228 |
| Epoch: | J2000 |
| Constellation: | Carina |
| Dist Ly: | 10,000 ly |
| Appmag V: | 4.4[1] |
| Size V: | 14 |
| Names: | OCl 828.0, MWSC 1845, C 1041-597, KPR2004b 262 |
Collinder 228 is an open cluster within the southern part of the Carina Nebula NGC 3372, about 25' south of .[2] It is probably composed of stars which recently formed from the material in the nebula. QZ Carinae is the brightest member of Collinder 228 with an apparent magnitude between 6.16–6.49 .[3]
Prominent stars in Collinder 228! Star
name! FMF
number! Effective
temperature! Absolute
magnitude! Bolometric
magnitude! Mass
! Spectral
type! Ref.WR 24
(HD 93131) | 3 | 50100 | −7.34 | −11.4 | 114 | WN6ha-w | [4] |
QZ Car
(HD 93206) | 33 | 30400 + 20000 +
34000 + 32900 | −9.2 + 3 +
8.5 + 7 | −10.6 | 27.1 + 6.5 +
25.4 + 17.1 | O9.7I + B2V +
O8III + O9V | [5] [6] |
| HD 93632 | 92 | 45400 | −6.1 | −10.2 | 76 | O5III(f) | [7] |
V661 Car
(HD 93130) | 1 | 39900 | −6.3 | −10.1 | 68 | O7II(f) | |
| HD 305525 | 98 | 43600 | −5.7 | −9.8 | 58 | O6V | |
| 97 | 46100 | −4.8 | −9 | 47 | O5V | |
| HD 93146 | | 42400 | −5.1 | −9.1 | 44 | O6.5V((f)) | |
| HD 305524 | 7 | 41000 | −5.2 | −9.1 | 42 | O7V((f)) | |
| HD 93222 | 6 | 37200 | −5.7 | −9.3 | 42 | O8III((f)) | |
| HD 305523 | 32 | 35700 | −5.6 | −9.1 | 38 | O8.5III | |
| HD 305532 | 38 | 43600 | −4.4 | −8.5 | 38 | O6V((f)) | |
| HD 305438 | 24 | 38500 | −4.6 | −8.4 | 32 | O8V | |
| HD 93028 | 27 | 35700 | −4.9 | −8.4 | 30 | O8.5III | |
| HD 305518 | 22 | 34700 | −5 | −8.3 | 29 | O9.5V | |
| HD 93027 | 14 | 36000 | −4.8 | −8.3 | 29 | O9V | |
| 39 | 37200 | −4.6 | −8.2 | 29 | O8.5V((f)) | |
| HD 305539 | 94 | 37200 | −4.4 | −8.1 | 28 | O8.5V | |
| 67 | 36000 | −4.7 | −8.2 | 28 | O9V | |
| HD 93576 | 93 | 36000 | −4.7 | −8.2 | 28 | O9V | |
| 21 | 37200 | −4.2 | −7.8 | 27 | O8.5V | |
| HD 305536 | 5 | 34700 | −4.7 | −8.1 | 26 | O9.5V | |
| 66 | 34700 | −3.9 | −7.3 | 22 | O9.5V | |
| 12 | 20900 | −6.1 | −8 | 20 | B2.5Ia: | |
|
See also
Notes and References
- Collinder 228. 2020-12-29.
- Feinstein . A. . 1995 . Open clusters in the Carina Nebula . Revista Mexicana de Astronomía y Astrofísica . Serie de Conferencias . 2 . 57 . 1995RMxAC...2...57F.
- Samus . N.N. . Durlevich . O.V. . etal . 2009 . General Catalogue of Variable Stars (Samus+ 2007–2013) . VizieR On-line Data Catalog . B/GCVS . Originally published in Astronomy Reports (January 2017) 10.1134/S1063772917010085 . 1 . 02025 . 2009yCat....102025S . 10.1134/S1063772917010085 .
- 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 . . A57 . 625 . 1904.04687 . 10.1051/0004-6361/201834850 . 2019A&A...625A..57H . 104292503.
- Rainot . A. . Reggiani . M. . Sana . H. . Bodensteiner . J. . Gomez-Gonzalez . C.A. . Absil . O. . Christiaens . V. . Delorme . P. . Almeida . L.A. . Caballero-Nieves . S. . de Ridder . J. . Kratter . K. . Lacour . S. . le Bouquin . J.-B. . Pueyo . L. . Zinnecker . H. . 6 . 2020 . Carina High-contrast Imaging Project for Massive Stars (CHIPS). I. Methodology and proof of concept on QZ Car (≡ HD 93206) . . 640 . A15 . 2020A&A...640A..15R . 10.1051/0004-6361/201936448 . 2006.01914 . 219260368 .
- Parkin . E.R. . Broos . P.S. . Townsley . L.K. . Pittard . J.M. . Moffat . A.F.J. . Nazé . Y. . Rauw . G. . Oskinova . L.M. . Waldron . W.L. . 6 . 2011 . X-ray emission from the double-binary OB-star system QZ Car (HD 93206) . . 194 . 1 . article 8 . 2011ApJS..194....8P. 1103.0794 . 10.1088/0067-0049/194/1/8 . 119292907.
- Massey . P. . de Gioia-Eastwood . K. . Kathy Eastwood . 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 . . 121 . 2 . 1050–1070 . astro-ph/0010654 . 2001AJ....121.1050M . 10.1086/318769 . 53345173 .
