Derived cluster, nebula, stellar, and jet parameters.
|E(B–V)||1.2 ± 0.2 mag|
|AV||3.7 ± 0.6 mag|
|d a||5.2 ± 1.4 kpc|
|age||3 Myr ≲ t ≲ 15 Myrb|
|mass||> 100 M⊙|
|nebular age||>20 000 yr|
|vsystemic||50 ± 20 km s-1|
|A V||5.6 mag|
|M V||−7.2 mag|
|projected length||66′′ (1.7 pc)|
|deprojected lengthd||93′′ (2.3 pc)|
|velocity||−433 km s-1 to + 478 km s-1|
|deprojected velocityd||up to 650 km s-1|
|electron density||~103 cm-3|
|mass-loss rate||~10-8 M⊙ yr-1|
In the future Gaia will provide a very accurate parallax for this object. Hipparcos found a parallax of about 1 kpc (van Leeuwen 2007).
Using a bolometric correction of BC = −3.03 (for a B0 star; Pecaut & Mamajek 2013).
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