Exposure
- ID
- GRAVI.2023-06-03T07:54:33.898_2
- Header ID
- GRAVI.2023-06-03T07:54:33.898
- Date updated
- 2023-06-03 08:10:28 UTC+0000
- Release date
- 2023-06-03 07:54:33 UTC+0000
- UTC Start
- 2023-06-03 07:54:33.898
- UTC End
- 2023-06-03 08:00:33.898
- MJD Start
- 60098.329559
- MJD End
- 60098.3337256667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003612
- Ambient temperature (°C)
- 13.48
- Seeing (arcsec)
- 0.45
Observation
- ID
- 55614
- Category
- calibrator
- Program ID
- 111.24H1.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.3880 | 53.1000 | 37.3000 | 37.7000 |
| U1-U3 | 95.2140 | 94.5500 | 43.6000 | 43.9000 |
| U1-U4 | 114.2000 | 112.6730 | 73.6510 | 74.2190 |
| U2-U3 | 42.5480 | 42.1680 | 51.5000 | 51.8000 |
| U2-U4 | 77.9230 | 76.8190 | 97.6140 | 98.5200 |
| U3-U4 | 57.3480 | 56.8700 | 129.9590 | 131.1600 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60098.329559 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416794 |
| DEC | -29.00721 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 53.388 |
| HIERARCH ESO ISS PBL12 END | 53.1 |
| HIERARCH ESO ISS PBLA12 START | 37.3 |
| HIERARCH ESO ISS PBLA12 END | 37.7 |
| HIERARCH ESO ISS PBL13 START | 95.214 |
| HIERARCH ESO ISS PBL13 END | 94.55 |
| HIERARCH ESO ISS PBLA13 START | 43.6 |
| HIERARCH ESO ISS PBLA13 END | 43.9 |
| HIERARCH ESO ISS PBL14 START | 114.2 |
| HIERARCH ESO ISS PBL14 END | 112.673 |
| HIERARCH ESO ISS PBLA14 START | 73.651 |
| HIERARCH ESO ISS PBLA14 END | 74.219 |
| HIERARCH ESO ISS PBL23 START | 42.548 |
| HIERARCH ESO ISS PBL23 END | 42.168 |
| HIERARCH ESO ISS PBLA23 START | 51.5 |
| HIERARCH ESO ISS PBLA23 END | 51.8 |
| HIERARCH ESO ISS PBL24 START | 77.923 |
| HIERARCH ESO ISS PBL24 END | 76.819 |
| HIERARCH ESO ISS PBLA24 START | 97.614 |
| HIERARCH ESO ISS PBLA24 END | 98.52 |
| HIERARCH ESO ISS PBL34 START | 57.348 |
| HIERARCH ESO ISS PBL34 END | 56.87 |
| HIERARCH ESO ISS PBLA34 START | 129.959 |
| HIERARCH ESO ISS PBLA34 END | 131.16 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003332 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003892 |
| HIERARCH ESO ISS AMBI TEMP | 13.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |