Exposure
- ID
- GRAVI.2023-07-01T04:56:00.243_2
- Header ID
- GRAVI.2023-07-01T04:56:00.243
- Date updated
- 2023-07-01 05:10:44 UTC+0000
- Release date
- 2023-07-01 04:56:00 UTC+0000
- UTC Start
- 2023-07-01 04:56:00.243
- UTC End
- 2023-07-01 05:02:00.243
- MJD Start
- 60126.20555837
- MJD End
- 60126.2097250367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009297
- Ambient temperature (°C)
- 18.51
- Seeing (arcsec)
- 0.33
Observation
- ID
- 56078
- Category
- calibrator
- Program ID
- 111.24H1.003
- 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 | 55.5780 | 55.4330 | 32.2000 | 32.8000 |
| U1-U3 | 100.2880 | 99.9500 | 38.6000 | 39.2000 |
| U1-U4 | 126.0220 | 125.2360 | 67.2790 | 67.9210 |
| U2-U3 | 45.4740 | 45.2790 | 46.4000 | 47.0000 |
| U2-U4 | 86.6130 | 86.0330 | 88.8980 | 89.6830 |
| U3-U4 | 61.3290 | 61.0570 | 118.9530 | 119.8870 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60126.20555837 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416934 |
| DEC | -29.00727 |
| 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 | 55.578 |
| HIERARCH ESO ISS PBL12 END | 55.433 |
| HIERARCH ESO ISS PBLA12 START | 32.2 |
| HIERARCH ESO ISS PBLA12 END | 32.8 |
| HIERARCH ESO ISS PBL13 START | 100.288 |
| HIERARCH ESO ISS PBL13 END | 99.95 |
| HIERARCH ESO ISS PBLA13 START | 38.6 |
| HIERARCH ESO ISS PBLA13 END | 39.2 |
| HIERARCH ESO ISS PBL14 START | 126.022 |
| HIERARCH ESO ISS PBL14 END | 125.236 |
| HIERARCH ESO ISS PBLA14 START | 67.279 |
| HIERARCH ESO ISS PBLA14 END | 67.921 |
| HIERARCH ESO ISS PBL23 START | 45.474 |
| HIERARCH ESO ISS PBL23 END | 45.279 |
| HIERARCH ESO ISS PBLA23 START | 46.4 |
| HIERARCH ESO ISS PBLA23 END | 47.0 |
| HIERARCH ESO ISS PBL24 START | 86.613 |
| HIERARCH ESO ISS PBL24 END | 86.033 |
| HIERARCH ESO ISS PBLA24 START | 88.898 |
| HIERARCH ESO ISS PBLA24 END | 89.683 |
| HIERARCH ESO ISS PBL34 START | 61.329 |
| HIERARCH ESO ISS PBL34 END | 61.057 |
| HIERARCH ESO ISS PBLA34 START | 118.953 |
| HIERARCH ESO ISS PBLA34 END | 119.887 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009892 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008702 |
| HIERARCH ESO ISS AMBI TEMP | 18.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.31 |
| HIERARCH ESO ISS AMBI FWHM END | 0.35 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |