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Liu, Zhu και άλλοι. (July 2019). «X-ray properties of two transient ULX candidates in galaxy NGC 7090». Monthly Notices of the Royal Astronomical Society486 (4): 5709-5715. doi:10.1093/mnras/stz1194. Bibcode: 2019MNRAS.486.5709L.
Walton, D. J. και άλλοι. (February 2021). «A new transient ultraluminous X-ray source in NGC 7090». Monthly Notices of the Royal Astronomical Society501 (1): 1002-1012. doi:10.1093/mnras/staa3666. Bibcode: 2021MNRAS.501.1002W.
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Rossa, J.· και άλλοι. (Σεπτεμβρίου 2012). «The Morphological Diversity of DIG in Halos of Edge-on Spirals as Revealed by HST/ACS». Στο: de Avillez, M.A., επιμ. The Role of the Disk-Halo Interaction in Galaxy Evolution: Outflow vs. Infall?. EAS Publication Series. 56. σελίδες 221–224. Bibcode:2012EAS....56..221R. doi:10.1051/eas/1256035.
Heesen, Volker και άλλοι. (May 2016). «Advective and diffusive cosmic ray transport in galactic haloes». Monthly Notices of the Royal Astronomical Society458 (1): 332-353. doi:10.1093/mnras/stw360. Bibcode: 2016MNRAS.458..332H.
Rossa, J.· και άλλοι. (Σεπτεμβρίου 2012). «The Morphological Diversity of DIG in Halos of Edge-on Spirals as Revealed by HST/ACS». Στο: de Avillez, M.A., επιμ. The Role of the Disk-Halo Interaction in Galaxy Evolution: Outflow vs. Infall?. EAS Publication Series. 56. σελίδες 221–224. Bibcode:2012EAS....56..221R. doi:10.1051/eas/1256035.
Liu, Zhu και άλλοι. (July 2019). «X-ray properties of two transient ULX candidates in galaxy NGC 7090». Monthly Notices of the Royal Astronomical Society486 (4): 5709-5715. doi:10.1093/mnras/stz1194. Bibcode: 2019MNRAS.486.5709L.
Walton, D. J. και άλλοι. (February 2021). «A new transient ultraluminous X-ray source in NGC 7090». Monthly Notices of the Royal Astronomical Society501 (1): 1002-1012. doi:10.1093/mnras/staa3666. Bibcode: 2021MNRAS.501.1002W.