SIMBAD references

2011ATel.3137....1T - The Astronomer's Telegram, 3137, 1 (2011)

New outburst from the X-ray pulsar RX J0440.9+4431 and discovery of a possible ∼155 days orbital period.

TSYGANKOV S., LUTOVINOV A. and KRIVONOS R.

Journal keyword(s):

Simbad objects: 2

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