Astrophysics (Index)About

TW Hydrae association

(TWA)
(nearby stellar association)

The TW Hydrae association (abbreviated TWA) is a nearby stellar association of about 40 known young, generally low mass stars and substellar objects. Its extent ranges over distances of 25 to 75 parsecs. A TWA star is a star within this association. Example stars/objects:

TW HydraeK-type starJ110152-34421760 pcT-Tauri star
HR 4796A-type starJ123601.0318-395210.222672 pc
2MASS 1207M-type starJ120733.47-393254.065 pcbrown dwarf
WISE J1147-2040L-type starJ114724.214-204020.4431 pcbrown dwarf
(stellar association)
Further reading:
https://en.wikipedia.org/wiki/TW_Hydrae_association
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=tw+hydrae+association
RedshiftParsecs
/Distance		Lightyears
/Lookback Years		  
~025pc82lyTW Hydrae association
Coordinates:TWA
J110154-344200
PrefixExample  
TWATWA 9 

Referenced by pages:
stellar designation
TW Hydrae (TW Hya)
Index