HVGC-1

{{Short description|Hypervelocity globular cluster in the constellation Virgo}}

{{sky|12|30|54.6978|+|12|40|58.61|16500000}}

{{Infobox globular cluster

| name = HVGC-1

| image =

| caption =

| credit =

| class =

| constellation = Virgo

| epoch= J2000.0

| ra = {{RA|12|30|54.70}}

| dec = {{DEC|+12|40|58.61}}

| dist_ly = {{convert|16.5|Mpc|Mly|disp=out}}

| dist_pc = 16.5 Mpc

| appmag_v =

| size_v =

| mass_msol =

| mass_kg =

| radius_ly =

| v_hb =

| metal_fe = {{val|-0.9|0.3}}

| age =

| notes = First discovered hypervelocity globular cluster

| names = HVGC-1, H70848, M87 H70848

}}

HVGC-1 is the first discovered hypervelocity globular cluster.{{cite web |url= http://www.cfa.harvard.edu/news/2014-09 |title= Entire Star Cluster Thrown Out of its Galaxy |date= 30 April 2014 |publisher= CfA - Harvard-Smithsonian Center for Astrophysics |number= 2014–09 }} Discovered in 2014, it was found escaping the supergiant elliptical galaxy Messier 87,{{cite news |url= http://spacefellowship.com/news/art38359/entire-star-cluster-thrown-out-of-its-galaxy.html |title= Entire Star Cluster Thrown Out of its Galaxy |date= 30 April 2014 |author= Klaus Schmidt |work= Space Fellowship }} in the Virgo Cluster.{{cite journal |title= A Globular Cluster Toward M87 with a Radial Velocity < -1000 km/s: The First Hypervelocity Cluster |author= Nelson Caldwell (CfA), Jay Strader (Michigan St), Aaron J. Romanowsky (San Jose St/Santa Cruz), Jean P. Brodie (Santa Cruz), Ben Moore (Zurich), Jurg Diemand (Zurich), Davide Martizzi (Berkeley) |journal= The Astrophysical Journal |date= 25 February 2014 |volume= 787 |issue= 1 |bibcode= 2014ApJ...787L..11C |arxiv= 1402.6319 |doi=10.1088/2041-8205/787/1/L11|s2cid= 116929202 }} It is one of thousands of globular clusters found in M87.{{cite news |url= https://www.foxnews.com/science/star-cluster-thrown-out-of-galaxy-at-speed-of-more-than-2-million-mph |title= Star cluster thrown out of galaxy at speed of more than 2 million mph |date= 30 April 2014 |publisher= Fox News }} It is the first hypervelocity star cluster so far discovered.{{cite news |url= http://www.universetoday.com/111609/runaway-star-cluster-breaks-free-from-distant-galaxy/ |title= 'Runaway' Star Cluster Breaks Free from Distant Galaxy |author= Shannon Hill |work= Universe Today |date= 30 April 2014 }} The globular is located at decimal degrees (RA, DEC) (187.72791°, +12.68295°).