UV spectroscopy of SN 2007aa



GALEX UV image of SN 2007aa in NGC 4030


(Blue - Galex FUV; Yellow - GALEX NUV)



Executive Summary: Contrary to estimates based on initial optical data, this supernova (type II-P) was either older or more dusty then assumed, and had lower UV flux. We therefore curtailed our observing campaign shortly after peak. Final spectral extraction awaits late-time reference frames, expected spring 2009.




GALEX observations (all dates UT):

  • Photometry:

    2007 Feb. 24; NUV+FUV

  • Grism Spectroscopy:

    2007 Feb. 24,28, March 1,2; NUV+FUV

    Follow-up of SN 2007aa (all dates UT):

  • Optical Photometry:

    2007 Feb. 20; BVri; Whipple 1.2m
    2007 Feb. 21; BVri; Whipple 1.2m
    2007 Feb. 26; BVri; Whipple 1.2m
    2007 Feb. 27; BVri; Whipple 1.2m
    2007 Feb. 28; BVri; Whipple 1.2m
    2007 Mar. 1; BVri; Whipple 1.2m
    2007 Mar. 2; BVri; Whipple 1.2m
    2007 Mar. 6; B; Palomar 1.5m
    2007 Mar. 8; BVri; Whipple 1.2m
    2007 Mar. 8; BVRI; Palomar 1.5m
    2007 Mar. 9; BVri; Whipple 1.2m
    2007 Mar. 10; BVri; Whipple 1.2m
    2007 Mar. 12; BVRI; Palomar 1.5m
    2007 Mar. 15; BVRI; Palomar 1.5m
    2007 Mar. 16; BVri; Whipple 1.2m
    2007 Mar. 18; BVRI; Palomar 1.5m
    2007 Mar. 25; BVri; Whipple 1.2m
    2007 Mar. 25; BVRI; Palomar 1.5m
    2007 Mar. 29; BVRI; Palomar 1.5m
    2007 Mar. 30; BVRI; Palomar 1.5m
    2007 Mar. 31; BVRI; Palomar 1.5m
    2007 Apr. 2; BVRI; Palomar 1.5m
    2007 Apr. 3; BVRI; Palomar 1.5m
    2007 Apr. 4; BVri; Whipple 1.2m
    2007 Apr. 4; BVRI; Palomar 1.5m
    2007 Apr. 5; BVri; Whipple 1.2m
    2007 Apr. 6; BVRI; Palomar 1.5m
    2007 Apr. 14; BVRI; Palomar 1.5m
    2007 Apr. 16; Clear; KAIT 0.75m
    2007 Apr. 21; Clear; KAIT 0.75m
    2007 Apr. 26; Clear; KAIT 0.75m
    2007 May. 5; Clear; KAIT 0.75m
    2007 May. 9; Clear; KAIT 0.75m
    2007 May. 10; Clear; KAIT 0.75m
    2007 May. 11; BVri; Whipple 1.2m
    2007 May. 12; BVri; Whipple 1.2m
    2007 May. 13; BVri; Whipple 1.2m
    2007 May. 15; Clear; KAIT 0.75m
    2007 May. 18; BVri; Whipple 1.2m
    2007 May. 20; BVri; Whipple 1.2m
    2007 May. 22; Clear; KAIT 0.75m
    2007 May. 23; BVri; Whipple 1.2m
    2007 May. 29; Clear; KAIT 0.75m
    2007 May. 31; BVri; Whipple 1.2m
    2007 Jun. 2; BVri; Whipple 1.2m
    2007 Jun. 3; Clear; KAIT 0.75m

  • Optical Spectroscopy:

    2007 Feb. 23; Whipple 1.5m
    2007 Feb. 25; Whipple 1.5m
    2007 Mar. 10; Whipple 1.5m
    2007 Mar. 26; Whipple 1.5m


  • Preliminary lightcurve (CfA data): here


    Additional data:

  • Swift photometry here.

  • See additional follow-up details (Optical and IR photometry and spectroscopy; ESO campaign) here.



    Constructed: April 2005, by: Avishay Gal-Yam , E-Mail: avishay@wise.tau.ac.il