Author Topic: supernovae from spectral survey, 'potential candidates'  (Read 2122 times)

c_cld

  • Hero Member
  • *****
  • Posts: 4948
  • "In some fields, I am at home; in others we are fellow tourists" (Bill )
    • View Profile
supernovae from spectral survey, 'potential candidates'
« on: January 18, 2012, 10:28:47 am »
Recapitulation of my different posts of "11 Potential supernovae from the spectral survey"
unreported in catalogs or somewhere else?  ???

url of "SAS Get Spectra - Bulk Search"

details (imaging parent galaxies, SNe I or II spectra like  ::) , redshifts unreliable  :( )
objid  IAUname date_spec

587739720309669983 SDSS J160116.52+174603.9 2005-7-5


1237671990266167437 SDSS J133216.78+041655.1 2002-4-10



1237658203970994354 SDSS J112900.54+484359.2 2003-1-3



1237662340012900539 SDSS J160132.55+265915.1 2003-7-2



1237664104704835621 SDSS J095948.15+112825.3 2004-2-20



1237664290997862425 SDSS J113913.53+150215.7 2005-1-16



1237665369041404011 SDSS J104440.53+303803.3 2005-3-1



1237665442074067124 SDSS J162423.71+154036.2 2005-7-15



1237667211599806702 SDSS J114438.44+295323.7 2006-3-5



1237667447809835256 SDSS J132301.40+243023.6 2008-2-28



1237667736136515844 SDSS J150531.71+175904.7 2008-3-31


robert gagliano

  • Sr. Member
  • ****
  • Posts: 422
    • View Profile
Re: supernovae from spectral survey, 'potential candidates'
« Reply #1 on: January 18, 2012, 12:16:00 pm »
Claude, I have asked HQ to take a look at your data if they can....no guarantees. Cheers.

robert gagliano

  • Sr. Member
  • ****
  • Posts: 422
    • View Profile
Re: supernovae from spectral survey, 'potential candidates'
« Reply #2 on: January 18, 2012, 08:13:34 pm »
Claude, here is an email response from Mark Sullivan from Oxford, the science team lead for the GZ SN Zoo. He took a look at your post.

"Hello,

Certainly many of those spectra look like SNe by eye - a few SNe II and SNe Ia.

How were they pulled out of the sdss data - based on their spectra?

People have tried to do this before on SDSS data; here are a couple of
examples. One route would be to contact the first author of the first
paper below to see if they have a list of candidates which they found,
and see if there is any overlap.

I'm not surprised that these are unreported though; they are found
well after the event when any follow-up of the supernova would be
impossible. It's a fun task, though.

http://adsabs.harvard.edu/abs/2011ApJ...731...42K

http://adsabs.harvard.edu/abs/2003ApJ...599L..33M


cheers
Mark"

 

c_cld

  • Hero Member
  • *****
  • Posts: 4948
  • "In some fields, I am at home; in others we are fellow tourists" (Bill )
    • View Profile
Re: supernovae from spectral survey, 'potential candidates'
« Reply #3 on: January 18, 2012, 08:28:24 pm »
Thanks very much Robert for having such a follow-up on my post.
I didn't expect an interested astronomer on this "old" data, but I 'll try to contact the first author as Mark is suggesting us.

I think their next task would be on DR9 (released in 6 months? july 2012) to find some kind of matching SN templates.

Regards
Claude

c_cld

  • Hero Member
  • *****
  • Posts: 4948
  • "In some fields, I am at home; in others we are fellow tourists" (Bill )
    • View Profile
Re: supernovae from spectral survey, 'potential candidates'
« Reply #4 on: February 04, 2014, 10:34:22 am »
unreported SN: SDSS J025448.48-071735.3  1237652901303943234
587727180079038536

unseen in DSS survey  :P

on 2000-9-26:10:5


DR7 spectrum on  2000-12-23 (3 months after img) !
reprocessed wrongly in DR8-9-10 with bad mapping lines!
in Simbad "SDSS J025448.47-071735.3  -- Object of unknown nature" ...  :(

c_cld

  • Hero Member
  • *****
  • Posts: 4948
  • "In some fields, I am at home; in others we are fellow tourists" (Bill )
    • View Profile
Re: supernovae from spectral survey, 'potential candidates'
« Reply #5 on: April 07, 2014, 01:26:35 pm »
unreported SNIa
host SDSS J114428.45-015300.3 587725041163960473
1237671127514349706
mjd_r 5.16064168E4 i.e.  2000-03-03 10:00

spectrum obtained three years after image:  mjd 52282 i.e. 2003-03-23:
Typical SN Ia spectrum
DR7

DR10 -  bad mapping lines
failed pipeline processing in DR7 and DR8-9-10!


 :(  :(