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Table 1

Parameters of the super star cluster in our field.

Obs Size Age AK Mass Nion K Reference
Myr mag     ×    106M     ×    1052 s-1 mag

HST  − 4.8a 0.8ab 1.2a  −  − #28 from Table 8 in [1]
Keck + VLT 046c 5.7d  − 4.1e 1.3e 15.2f SSC-C in [2]
VLT/SINFONI 06g  <6 0.4 6.0 4.4eh 15.0f Our work [3]
4.5 6.6i

Notes. 

(a)

From the comparison of integrated photometry UBVIHα with population synthesis models,

(b)

estimated from measured E(B − V) = 2.20 and assuming RV = 3.1 extinction curve (Weingartner & Draine 2001),

(c)

deconvolved FWHM from Lorentzian fit,

(d)

based on the Brγ equivalent width as an age indicator comparing it with Starburst99 (Leitherer et al. 2010) models,

(e)

not corrected for extinction,

(f)

K-band apparent magnitude for an aperture of 2″,

(g)

it is unresolved. The angular size (FWHM) measured from a Gaussian fit corresponds to the size of the seeing disk,

(h)

from observed Brγ luminosity,

(i)

from the fluxes of the [Ne ii] and [Ne iii] lines at 12.81 and 15.56   μm.

References. [1] Whitmore et al. (2010) based on ACS and NICMOS observations, [2] Gilbert & Graham (2007) based on Keck/NIRSPEC-SCAM and VLT/ISAAC observations, [3] for details see Sect. 3.1.

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