GRAVITY Beam Combiner Instrument Progress

July 21, 2015

The GRAVITY Beam Combiner Instrument has Arrived in the New Integration Hall on Paranal

February 18, 2016

CIAO #1 arrived at Paranal

The first infrared wavefront sensor CIAO arrived at Paranal
October 03, 2015

The Beam Combiner Instrument installed in the VLTI lab

October 02, 2015

The Beam Combiner Instrument on its way into the VLTI laboratory

July 22, 2015

System is back in operation in the New Integration Hall at Paranal

The Installation Team

The Installation Team
July 19, 2015

Leak-testing with Gerd

July 16, 2015

Unpacking of the six electronic cabinets

July 16, 2015

Transfer of the BCI cryostat box

July 16, 2015

Unpacking of the cryostat

July 16, 2015

Movement into the New Integration Hall

July 16, 2015

Everything still there

July 15, 2015

The Beam Combiner Instrument arrived at Paranal

17 boxes / 12,5 tonnes / 74 m^3
May 21, 2015

Alignment of AT units with ESO laser tracker

With the great help of Samuel Leveque (ESO)
July 25, 2013

First fringe-tracking in lab!

July 29, 2013

First completely equipped UT: four guiding launchers/four metrology receivers/one electronic box

July 29, 2013

First cabled electronic box at UT1 (only test cabling)

July 25, 2013

First two units installed at UT1 (the small black dots on the spider ...)

July 25, 2013

Perfect Paranal support (by Eloy Fuenteseca)

July 25, 2013

First installed guiding launcher at UT1

July 25, 2013

First installed metrology receiver at UT1

July 23, 2013

First fringes in lab!

July 16, 2013

GRAVITY is sexy (Pierre Fedou, Guy Perrin (Paris), Stefan Kellner (MPE))

July 16, 2013

There are a lot of things to do (Laurent Jocou, Karine Perraut (IPAG), Michael Wiest (UoC), Guy Perrin (Paris), Stefan Gillessen, Angela Rief, Frank Eisenhauer (MPE))

July 19, 2013

Fiber Control Unit installed first time in the cryostat on its support structure, including two fiber couplers

July 15, 2013

Fiber Control Unit with polarization rotators and differential delay lines, by Paris group (removed cover)

July 12, 2013

Delivery of first IO and Fiber Control Unit

June 07, 2013

Front view of cabinet #3

February 27, 2013

Cryostat cool-down can be boring (Frank Haußmann)

July 08, 2013

Transparent Beam Combiner Instrument cryostat

June 24, 2013

Back side of cabinet #6, PLC, TMP control, gauge controller, and cryostat warm-up electronic

June 21, 2013

Installed fringe tracking spectrometer and first fiber coupler in the BCI cryostat

June 09, 2013

Liquid nitrogen refill

June 05, 2013

SAPHIRA detector integration in Fringe Tracker Spectrometer (Leander Mehrgan (ESO), Senol Yazici (UoC))

May 31, 2013

First test of the "small" pulse tube compressor from Thales

May 31, 2013

Pressure reducer to fill the pulse tube cooler with helium gas