Other
Scientific paper
Jul 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.5981s&link_type=abstract
HST Proposal ID #5981
Other
Hst Proposal Id #5981 Galaxies &Amp, Clusters
Scientific paper
We propose to continue our calibration experiment for M(max) of type Ia supernovae (SNe Ia) by determining Cepheid distances to their parent galaxies. To date we have completed the calibration for 3 SNe Ia (SN 1937C in IC 4182 from Cycle 1, and SN 1895B and SN 1972E in NGC 5253 from Cycle 3), and are at the beginning of the calibration of SN 1960F in NGC 4496 and SN 1981B in NGC 4536 from Cycle 4 data being received just now. The experiment is designed to determine how stable M(max) is for SNe Ia, and how large the dispersion is about this mean. To adequately do this we need the calibration of about 10 such SNe Ia. We propose for 84 orbits to observe 2 more parent galaxies of SNe Ia. We now know from the success of the Cycle 4 data that NGC 5055, parent of SN 1971I, and NGC 4414, parent of SN 1974G, are within the capabilities of the present HST. If NGC 4414 is unavailable, being protected for another project, we request that the second galaxy for the proposed Cycle 5 program be NGC 4639, parent of SN 1990N.
No associations
LandOfFree
Calibration of Nearby Type IA Supernovae as Standard Candles: NGC 4639 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 Calibration of Nearby Type IA Supernovae as Standard Candles: NGC 4639, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calibration of Nearby Type IA Supernovae as Standard Candles: NGC 4639 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1171621