Gum 36

Constellation: Carina

This region of the constellation Carina is rarely imaged, yet it holds a few interesting objects. First, the HII region Gum 36 (a.k.a BRAN 347), which is likely ionized by the star HD 97471) and/or the open cluster Stock 13. About 166 arcsec ENE from there is the high-mass young stella object (YSO) IRAS 11101-5829. This is a region of intense star formation, as there are 50 identified young stella object candidates within a 168 arcsec radius around IRAS 11101-5829. The image also contains a number of dark clouds, including DOBASHI 5785 just East of the northern jet, as well as several unnamed ones. Furthermore, to the ESE of the bright nebula is the dark cloud [DB2002b] G290.49+1.66 (a.k.a. DCld 290.5+01.7). Link to interactive sky chart.

The protostar IRAS 11101-5829 (~1 million years old) is located about 8’800 Ly away. It is about 12-15 times more massive and 10’000 more luminous than our Sun. IRAS 11101−5829 drives a large-scale bipolar jet. The closest nots of this jet are the Herbig-Haro objects HH 135 (south) and HH 136 (north).

Telescope & Mount:

PlaneWave CDK17 (F6.8) on a Software Bisque Paramount ME mount.

Imaging:

Camera: Player One Zeus-Mono (bin 2×2)

Data:
Ha: 47x900s
O3: 90x900s
S2: 59×900
Lum: 119x120s
Red: 170x120s
Green: 178x120s
Blue: 171x120s

Total integration time: 70h 16′