Convert 0.081 parsec to light years8/31/2023 ![]() ![]() ![]() ![]() I do it from a complicated spreadsheet that I created for my double star work. NOTE: I have given open permission for this text to be used in an article "New View of Young, High-Mass Binary Star at Heart of Orion" at Universe Today on this without any accreditation. Note: If value were between 1400 to 1600 light years, these projected separations would be slightly larger.įor more information and perspective read Andrew James' "Southern Astronomical Delights" on the History of the Orion Nebula at You could compare these values with the older ones described in the dated "Burnham's Celestial Handbook" Vol.2 "Orion" on Theta Orionis. (about 2.5 times that of Alpha Centauri AB to Proxima) This augers well with the fractional movements so far observed with these stars. The largest estimated minimum orbital period of these stars is about 250,000 years. In physical size, therefore for the Trapezium is about 10,000 AU across. If the principal stars in the Trapezium are (based on the relative position of STF 748A at 6.55V magnitude) Using the distance to the Orion Nebula as 389 parsecs or 1270 +/- 76 light-years, means that the trig. ![]()
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