Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:supermassive_black_hole
|
| gptkbp:contains_star |
gptkb:star
|
| gptkbp:discovered_by |
gptkb:1989
|
| gptkbp:discovery_year |
gptkb:1989
|
| gptkbp:distance_from_earth |
approximately 7,800 light years
|
| gptkbp:exhibits |
periodic outbursts
|
| gptkbp:has_spectral_type |
K3-5 III
|
| https://www.w3.org/2000/01/rdf-schema#label |
V404 Cygni
|
| gptkbp:is_associated_with |
a companion star
|
| gptkbp:is_known_for |
its activity
|
| gptkbp:is_located_in |
constellation Cygnus
|
| gptkbp:is_observed_in |
gptkb:NASA's_Chandra_X-ray_Observatory
European Space Agency's XMM-Newton |
| gptkbp:is_part_of |
gptkb:the_Milky_Way_galaxy
|
| gptkbp:located_in |
constellation Cygnus
|
| gptkbp:mass |
approximately 9 solar masses
|
| gptkbp:notable_event |
1990 outburst
|
| gptkbp:type |
microquasar
|
| gptkbp:type_of |
gptkb:medical_imaging
|
| gptkbp:x-ray_binaries |
yes
|
| gptkbp:bfsParent |
gptkb:Centaurus
|
| gptkbp:bfsLayer |
5
|