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broom star

position:

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1356

old spelling:

Observations indicated its position at 17.1 degrees (17 tu 10 f~n) within the Chang

duration:
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colour etc.:
bluish-white, as large as the star at the left corner of Hsien-Yuan

supernova?

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nova

unlikely

supernova candidates

nova candidates

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[not yet studied]

alternatives:
         comet, microlensing or

...

most likely:

likely a comet ("pointing" and "1 ft") but only one position given

Reference (see publications)

Paper 0: Protte and Hoffmann, AN, 2020 

Paper 1: Vogt, Hoffmann, Tappert, AN, 2019 

Paper 2: Hoffmann, MNRAS 2019 

Paper 3: Hoffmann, Vogt, Protte, AN, 2020 

Paper 4: Hoffmann and Vogt, MNRAS, 2020

Paper 5: Hoffmann and Vogt, MNRAS, 2020

Paper 6: Hoffmann and Vogt, MNRAS, 2020

Book: Wolfschmidt and Hoffmann (eds.) 2021

Paper 7: Hoffmann, Vogt, New Astronomy, 2022

Reference

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Reference

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Map of the search field

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red ovals: all SNRs in field, 
blue asterixes: pulsars in the field

likely a comet ("pointing" and "1 ft") but only one position given
likely a comet ("pointing" and "1 ft") but only one position given

diamonds: all CVs in field, 
filled diamonds: bright enough

cyan ovals: all PNe in field, 
diamonds: symbiotic & CVs

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