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| Query : 2021RNAAS...5..232M |
2021RNAAS...5..232M - Research Notes of the AAS, 5, 232 (2021/October-0)
θ1 Ori C as a Medieval Bully: A Possible Very Recent Ejection in the Trapezium.
MAIZ APELLANIZ J., PANTALEONI GONZALEZ M. and BARBA R.H.
Abstract (from CDS):
We use Gaia EDR3 astrometry to propose that a dynamical interaction between the multiple system θ1 Ori C and θ1 Ori F ejected the latter as a walkaway star ∼1100 yr ago (without deceleration) or somewhat later (with a more likely deceleration included). It is unclear whether the final 3D velocity of θ1 Ori F will be large enough to escape the Orion nebula cluster.
Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.
Journal keyword(s): Multiple stars - Runaway stars - O stars - Young star clusters - Astrometry
Simbad objects: 13
| Number of rows : 13 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | V* AE Aur | Or* | 05 16 18.1493304816 | +34 18 44.344404000 | 5.48 | 6.18 | 5.96 | O9.5V | 597 | 1 | ||
| 2 | NAME Orion Nebula Cluster | OpC | 05 35.0 | -05 29 | ~ | 2514 | 0 | |||||
| 3 | V* V2254 Ori | Or* | 05 35 14.11296 | -05 22 22.7316 | B | 320 | 2 | |||||
| 4 | * tet01 Ori E | Or* | 05 35 15.7721814864 | -05 23 09.889316700 | G2IV | 104 | 0 | |||||
| 5 | * tet01 Ori A | Ae* | 05 35 15.8254015008 | -05 23 14.334699480 | 5.87 | 6.75 | 6.73 | 6.42 | 6.21 | B0V | 508 | 0 |
| 6 | * tet01 Ori B | EB* | 05 35 16.1339860056 | -05 23 06.784444248 | 7.71 | 8.20 | 7.96 | B1V | 380 | 1 | ||
| 7 | * tet01 Ori C | SB* | 05 35 16.4662967280 | -05 23 22.921811880 | 4.20 | 5.15 | 5.13 | 4.91 | 4.73 | O7Vp | 1479 | 1 |
| 8 | NAME Ori Trapezium | OpC | 05 35 16.5 | -05 23 14 | ~ | 1708 | 1 | |||||
| 9 | * tet01 Ori F | Y*? | 05 35 16.7270624568 | -05 23 25.197757584 | 9.928 | 10.075 | 10.122 | 9.652 | B8 | 46 | 0 | |
| 10 | M 42 | HII | 05 35 16.8 | -05 23 15 | ~ | 4411 | 0 | |||||
| 11 | * tet01 Ori D | Y*O | 05 35 17.2574479992 | -05 23 16.570738104 | 6.08 | 6.79 | 6.70 | 6.40 | 6.20 | B1.5Vp | 340 | 0 |
| 12 | * iot Ori | SB* | 05 35 25.9861932063 | -05 54 35.598684624 | 1.45 | 2.53 | 2.77 | O9IIIvar | 793 | 0 | ||
| 13 | * mu. Col | V* | 05 45 59.8950238944 | -32 18 23.162261796 | 3.84 | 4.90 | 5.18 | 5.30 | 5.57 | O9.5V | 523 | 0 |
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