#astronomy First Gentle for German X-ray Telescope EROSITA

October 23, 2019 - Comment

The EROSITA X-ray telescope aboard a German-Russian satellite tv for pc has taken its first photos of the recent universe. Between October 17th and 19th, the German-built EROSITA telescope used all seven of its X-ray-collecting modules to disclose the recent and violent universe within the galaxy subsequent door. Following its launch on July 13th, the


The EROSITA X-ray telescope aboard a German-Russian satellite tv for pc has taken its first photos of the recent universe.

Between October 17th and 19th, the German-built EROSITA telescope used all seven of its X-ray-collecting modules to disclose the recent and violent universe within the galaxy subsequent door.

Following its launch on July 13th, the telescope flew for 3 months aboard the Spektrum-Röntgen-Gamma (Spektr-RG) satellite tv for pc earlier than arriving at its vacation spot: the Earth-Solar system’s L2 Lagrange level, 1.5 million kilometers (1 million miles) from Earth on the alternative aspect from the Solar. There, the telescopes aboard Spektr-RG underwent commissioning, the place engineers activate the devices and work out any kinks. Regardless of some hiccups throughout this part, and after some intensive testing to point out that all the things was working as anticipated, EROSITA is now seeing the universe close to and much with X-ray imaginative and prescient.

Large Magellanic Cloud in X-rays

Giant Magellanic Cloud noticed in X-rays
F.Haberl / M. Freyberg / C. Maitra / MPE / IKI

The Giant Magellanic Cloud (LMC) is the most important satellite tv for pc galaxy of the Milky Approach and hosts stellar nurseries whose scorching, X-ray-emitting fuel could be seen on this picture. At 170,000 light-years from Earth, the LMC makes for a comparatively shut and well-studied goal. EROSITA photos can thus be in comparison with photos taken by different X-ray observatories corresponding to XMM-Newton and Chandra.

“We’ve got obtained razor-sharp photos with remarkably little background noise. These first impressions enable us to anticipate nice issues over the approaching years,” says Erosita’s undertaking supervisor Thomas Mernik (DLR).

A second picture from EROSITA reveals the recent fuel swirling round a set of galaxy clusters in a slow-motion crash. The galaxies in these clusters are 800 million light-years from Earth.

Interacting galaxies

Two interacting galaxy clusters, A3391 and A3395, seen in X-rays (left, through Erosita) and visual mild (proper).
T. Reiprich (Univ. Bonn) / M. Ramos-Ceja (MPE) / F. Pacaud (Univ. Bonn) / D. Eckert (Univ. Geneva) / J. Sanders (MPE) / N. Ota (Univ. Bonn) / E. Bulbul (MPE) / V. Ghirardini (MPE) / MPE/IKI

After snapping some extra photos, EROSITA will start its major mission: a four-year program to map the X-ray sky within the sort of element usually reserved for smaller fields skilled on chosen objects. EROSITA is predicted to detect tens of millions of recent X-ray sources, together with 100,000 galaxy clusters. In the end, astronomers hope to make use of these clusters to make clear the universe’s evolution and the character of darkish power.

The Spektr-RG area observatory additionally hosts the Russian ART-XC instrument, which observes X-rays at larger energies. The Russian area company introduced ART-XC’s first mild on July 30th, which revealed X-rays from the well-known pulsar Centaurus X-Three.



Supply hyperlink

Comments

Comments are disabled for this post.