Category talk:Astronomy infobox templates

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Hi, I'm new to infobox editing. QUESTION: what would be the correct template for me to use for an update/expansion of {https://en.wikipedia.org/wiki/S2_(star)} ? As an absolute minimum I'd like to add a solar mass entry to the former {sub-question: how do I add it ?}, but if there's a better template than the one used in the link I provided, I'm happy to attempt implementation. Thanks in advance. Braddarb (talk) 15:15, 23 January 2014 (UTC)