[Fwd: VOTimeSeries]

[Alasdair Allan]

Rob Seaman wrote:
> Alasdair Allan wrote:
>> Roy Williams wrote:
>>> To turn that question around -- who will suffer if all the  
>>> world's exchange of light-curve data is based on MJD/HJD?
>>
>> Lots of people unless you meant to say TDB (a.k.a. BJD) rather  
>> than HJD. Nobody uses HJD anymore...
>
> Well, I chose to implement heliocentric cadencing...

There was a smiley! If a standard exists there are probably a bunch  
of good reasons, and someone at some point has used it for those  
reasons...

> That said, I agree that "BJD" is what we (VOEvent) should support.   
> Is it really true that nobody reports HJD anymore, however?   
> Pointer to guidelines for CBAT, MPC, ATEL, etc?

This was mostly bait to get someone to scream and shout and prove to  
Roy that it isn't going to be easy to separate Astronomers from their  
beloved and cherished time systems. Even more than position  
Astronomers obsess about time, and yes depressingly, lots of people  
report HJD...

Al.