H1705-25

FAIL2 FAIL3 

Alternate Names

Nova Ophiuchi 1977, V2107 Ophiuchi, XN Oph77

Type

Stellar mass

Location

In the constellation Ophiuchus

Distance

27,000 light-years

Mass

5 to 7 times the mass of the Sun

Size

Diameter roughly 20 miles (35 km), equal to the size of a large city

Discovery Methods

• Detection of an accretion disk
• Measuring the motions of a companion star

Artist's concept shows the H1705-25 system. []

This document was last modified: January 13, 2011.