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see attachment Calibrating Leavitt’s Law QUESTION 1

April 2, 2024

see attachment

Calibrating Leavitt’s Law

QUESTION 1					DISTANCE
STAR	Period (days)	log(P)	m	M	2600
VY Persei	5.37	0.73	8.36
V Persei	5.53	0.74	7.99
VX Persei	10.89	1.04	7.56
SZ Cassiopeiae	13.61	1.13	7.19
QUESTION 2
STAR	Period (days)	log(P)	M
EV Scuti	3.09	0.49	-2.9
CE Cassiopaiae A	5.14	0.71	-3.84
CF Cassiopeiae B	4.48	0.65	-3.78
U Sagittarii	6.73	0.83	-3.63
DL Cassiopeiae	8	0.9	-3.62
S Normae	9.75	0.99	-4.27
RS Puppis	41.4	1.62	-6.25
VY Persei	5.37	0.73	0
V Persei	5.53	0.74	0
VX Persei	10.89	1.04	0
SZ Cassiopeiae	13.61	1.13	0
						›

Determining Distances

Time (days)	m
1.28	15.83
1.37	15.95
1.56	15.59
1.84	15.26
2.16	15.2
2.33	15.23
2.67	15.32
3.2	15.41
3.98	15.51
4.17	15.56
4.22	15.63
4.54	15.7
5.2	15.84
5.38	15.84
5.94	15.85
6.04	15.93
6.31	15.61
6.5	15.3
6.92	15.19
7.45	15.33
7.88	15.39
8.65	15.53
8.83	15.56
8.88	15.64
9.21	15.7

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