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-

anomalous star

position:

east of the third star of Ji; 3 du 18 fen in Wei, DE -34 du, 20 fen

1690

old spelling:

-

duration:
2
d
colour etc.:
yellow

supernova?

-

nova

suggested

supernova candidates

nova candidates

no SNR/ PSR candidate

V2572 Sgr, V4745 Sgr V909 Sgr, V1595 Sgr, ASASSN-17nd, ASASSN-19rb

alternatives:
         comet, microlensing or

...

most likely:

-

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

Paper 5

Reference

Paper 4,5

Map of the search field

no SNR/ PSR candidate

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

-
-

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

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

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