We share a report of the black hole candidate MAXI J1820+070. Observations of the source in the X-ray band have tracked its variability – in particular, its QPO (that’s, quasi-periodic oscillations) and found that the frequency is increasing with time, exponentially increasing with time. This is reported in ATel 11578. We also share reports of a bright optical nova V392 Per, discovered on April 29th — almost , but not quite so bright you can see it with your naked eye on a dark night, described in ATel 11588. Soon after discovery, another report arrived, in ATel 11590, describing that a new gamma-ray source had appeared at the location of Nova V392 Per.
After the show, we invite you to examine the results even further at our website; and join the discussion online at Twitter using #OutThereNow.
In this podcast:
- ATEL 11578 Exponential increase in X-ray QPO frequency with time in MAXI J1820+070
- ATEL 11588 Optical Spectroscopy of TCP J04432130+4721280 (V392 Per) Confirms a Nova Eruption
- ATEL 11590 Bright gamma-ray emission from TCP J04432130+4721280 (V392 Per) detected by Fermi-LAT
From neutron stars, to black holes, to tidal disruption events, to gravitational wave sources, to neutrinos, to cosmic rays: Out There Now shares the latest, most eye-catching astronomy and astrophysics research results with you.
Special thanks to Douglas Buisson, R. M. Wagner,Kwan-Lok Li, and Mona Eltahawy.