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Annual parallax measurements of a semi-regular variable star SV Pegasus with VERA

Honma, Mareki; Nakagawa, Akiharu; Nagayama, Takahiro +6 more

Many studies have shown that there are clear sequences in the period-luminosity relationship (PLR) for Mira variables and semi-regular variables (SRVs) in the Large Magellanic Cloud (LMC). To investigate the PLR for SRVs in our galaxy, we examined the annual parallax measurement and conducted K'-band photometric monitoring of an SRV star SV Pegasu…