The phrase "and gathered in a" is correct and usable in written English.
It can be used in contexts where you are describing the act of collecting or assembling something, often followed by a noun that specifies what is being gathered.
Example: "The children played in the park, and gathered in a circle to share their stories."
Alternatives: "and collected in a" or "and assembled in a".
We rushed from the blind and gathered in a circle over the bird.
His receivers ran long patterns and gathered in a group near midfield, covered by Boston College defensive backs.
But he kept all of hers and even had them typed and gathered in a notebook, which is now held in the Princeton library.
NIAGARA FALLS, Ontario — As the final seconds ticked down, the team in the familiar bleu, blanc et rouge sweaters threw down sticks and gloves and gathered in a joyous embrace, famous international players ready to lift the cup again.
Several thousand pro-union protesters filled a main hall of the statehouse in Columbus and gathered in a large crowd outside, chanting "Kill the bill," waving signs and playing drums and bagpipes.
Having made his speech, Mr Farage and his supporters hurried out of the hall, without waiting to hear the speeches from other defeated candidates, and gathered in a nearby hotel, where he formally announced his resignation, despite the pleas of senior colleagues who wanted him to stay.
Sum of ranking differences was calculated for 1000 data sets and gathered in an output file.
After this process of data modification the anonymous site data were forwarded and gathered in an appropriate central data base.
The notes will be transcribed shortly after and gathered in an early-analytical document in which observational notes and initial interpretations, analytic comments and views will be kept separately to avoid contamination of subsequent analysis.
But the more social — and healthy — gather in a break room and swap gallows humor about their predicament.
Officials from the Cyprus Union of Bank Employees called on bank staff in Nicosia to walk off their jobs at lunchtime on Thursday, and gather in a protest march towards the parliament.
