V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula

Details V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula

2004-12-17

arxiv.org/abs/astro-ph/0412455v1

Astronomy and Astrophysics

Astrophysics

13 pages, 5 figures in JPEG format. Accepted for the publication in PASJ Letters

Scientific paper

We present a study of the newly discovered McNeil's nebula in Orion using the JHKs-band simultaneous observations with the near-infrared (NIR) camera SIRIUS on the IRSF 1.4m telescope. The cometary infrared nebula is clearly seen extending toward north and south from the NIR source (V1647 Orionis) that illuminates McNeil's nebula. The compact nebula has an apparent diameter of about 70 arcsec. The nebula is blue (bright in J) and has a cavity structure with two rims extending toward north-east and north-west. The north-east rim is brighter and sharp, while the north-west rim is diffuse. The north-east rim can be traced out to ~ 40 arcsec from the location of the NIR source. In contrast, no cavity structure is seen toward the south, although diffuse nebula is extended out to ~ 20 arcsec. New NIR photometric data show a significant variation in the magnitudes (> 0.15 mag) of the source of McNeil's nebula within a period of one week, that is possibly under the phase of eruptive variables like FUors or EXors.

Affiliated with

Also associated with

No associations

Rating

V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and V1647 Orionis (IRAS 05436-0007) : A New Look at McNeil's Nebula will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-158564