Possible New Double-Pulsar With Low Mass Errors
Le 14/11/2014 21:05, Robert L. Oldershaw a écrit :
A measured mass of 145.0725 ± 0.0001 is highly unrealistic.
Mr Oldershaw. You propose 1 + or - 0.01. Later in that post you propose
that as the precision needed.
Since the sun is exactly 1.0 solar masses :-) is this star mass a
multiple of 0.145 solar masses?
1.0/0.145 -- 6,89655172413793
Apparently not.
(1 - 0.01) -- 0.99/0.145 is 6,96621386276559
and
(1 + 0.01 -- 1.01/0.145 is 6,96551724137931
The lower limit is close but not exact. Well, but if you take the mass
of all planets...
Mass of the sun -- 1.9891 x E+30 kg.
Jupiter -- 1.8986 x E+ 27 kg, a thousandths of the mass of the sun.
Other planets like our smallish earth are a millionth away, i.e. their
whole sum wouldn't move the mass of the system to the required value.
Of course maybe I just do not understand something obvious. Could you
please tell me where I go wrong?
Thanks
[Mod. note: the solar mass is in fact known to one part in 10^4 or so,
so you can work out for yourself how consistent it is with the
'prediction' -- mjh]
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