|
gptkbp:instanceOf
|
gptkb:star
variable star
|
|
gptkbp:apparentMagnitude
|
15.74
|
|
gptkbp:companion_star
|
B-type main-sequence star
|
|
gptkbp:constellation
|
gptkb:Monoceros
|
|
gptkbp:declination
|
−03° 50′ 50.6″
|
|
gptkbp:discoveredBy
|
1900
|
|
gptkbp:distanceFromEarth
|
19,200 light-years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:host_galaxy
|
gptkb:Milky_Way
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
V838 Monocerotis
|
|
gptkbp:light_echo_observed
|
2002
|
|
gptkbp:luminosity_(post-outburst)
|
up to 20,000 times solar luminosity
|
|
gptkbp:mass
|
5–10 solar masses
|
|
gptkbp:notable_for
|
spectacular light echo
|
|
gptkbp:notableEvent
|
outburst in 2002
|
|
gptkbp:observedBy
|
gptkb:Hubble_Space_Telescope
|
|
gptkbp:otherDesignation
|
2MASS J07040465-0350572
IRAS 07015-0346
Nova Monocerotis 2002
|
|
gptkbp:outburst_cause
|
stellar merger (hypothesized)
|
|
gptkbp:parallax
|
0.17 ± 0.03 mas
|
|
gptkbp:radius_(post-outburst)
|
up to 1570 solar radii
|
|
gptkbp:rightAscension
|
07h 04m 04.85s
|
|
gptkbp:spectralType
|
L-type supergiant
|
|
gptkbp:variableType
|
eruptive variable
|
|
gptkbp:bfsParent
|
gptkb:GSC_05366-01702
gptkb:Monocerotis
|
|
gptkbp:bfsLayer
|
7
|