tokens: ACKNOWLEDGEMENTS We thank an anonymous referee for helpful comments. SC acknowledge NCRA-TIFR for providing financial support. We acknowledge the THINGS collaboration for providing the data for galaxy NGC 628.
ner_tags: O O O O O O O O O B-Person O B-Organization O O O O O O O B-Collaboration I-Collaboration O O O O O O B-CelestialObject I-CelestialObject