We present a multiwavelength analysis of the nebula around the candidate luminous blue variable G79.29+0.46 .
The study is based on our radio observations performed at the Expanded Very Large Array and at the Green Bank Telescope and on archival infrared datasets , including recent images obtained by the Herschel Space Observatory .

We confirm that the radio central object is characterized by a stellar wind and derive a current mass-loss rate of about 1.4 \times 10 ^ { -6 } M _ { \odot } yr ^ { -1 } .
We find the presence of a dusty compact envelope close to the star , with a temperature between \sim 40 and 1200 K. We estimate for the outer ejecta an ionised gas mass of 1.51 M _ { \odot } and a warm ( 60–85 K ) dust mass of 0.02 M _ { \odot } .
Diagnostics of the far-infrared spectra indicate the presence of a photo-dissociation region around the ionised gas .

Finally , we model the nebula with the photo-ionization code CLOUDY , using as input parameters those estimated from our analysis .
We find for the central star a luminosity of 10 ^ { 5.4 } L _ { \odot } and an effective temperature of 20.4 kK .