If interstellar dust makes an RR Lyrae variable star look 7 magnitudes fainter than the star should, by how much will you over- or underestimate its distance? (Hint: Use the magnitude-distance formula d = 10(my - My + 5)/5.) destimate = 0.04
If interstellar dust makes an RR Lyrae variable star look 7 magnitudes fainter than the star should, by how much will you over- or underestimate its distance? (Hint: Use the magnitude-distance formula d = 10(my - My + 5)/5.) destimate = 0.04
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The answer is not 0.04. I need help!
![If interstellar dust makes an RR Lyrae variable star look 7 magnitudes fainter than the star should, by how much will you over- or underestimate its distance? (*Hint: Use the magnitude-distance formula \( d = 10^{(m_V - M_V + 5)/5} \)*)
\[
\frac{d_{\text{estimate}}}{d_{\text{actual}}} = 0.04 \times
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Transcribed Image Text:If interstellar dust makes an RR Lyrae variable star look 7 magnitudes fainter than the star should, by how much will you over- or underestimate its distance? (*Hint: Use the magnitude-distance formula \( d = 10^{(m_V - M_V + 5)/5} \)*)
\[
\frac{d_{\text{estimate}}}{d_{\text{actual}}} = 0.04 \times
\]
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