Exposure
- ID
- GRAVI.2023-07-06T03:07:40.777_1
- Header ID
- GRAVI.2023-07-06T03:07:40.777
- Date updated
- 2023-07-06 03:26:31 UTC+0000
- Release date
- 2024-07-06 03:26:31 UTC+0000
- UTC Start
- 2023-07-06 03:07:40.777
- UTC End
- 2023-07-06 03:13:40.777
- MJD Start
- 60131.13033307
- MJD End
- 60131.1344997367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004153
- Ambient temperature (°C)
- 13.26
- Seeing (arcsec)
- 0.88
Observation
- ID
- 56153
- Category
- science
- 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
- 41600
- Name
- S4
- RA
- 266.41682
- DEC
- -29.00731
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5380 | 56.5190 | 23.2000 | 24.0000 |
| U1-U3 | 102.4240 | 102.3980 | 29.5000 | 30.3000 |
| U1-U4 | 130.0710 | 130.1680 | 57.3390 | 58.1560 |
| U2-U3 | 46.6410 | 46.6370 | 37.1000 | 37.9000 |
| U2-U4 | 89.1060 | 89.2650 | 78.1930 | 79.0020 |
| U3-U4 | 62.0240 | 62.1830 | 107.7870 | 108.5270 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60131.13033307 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41682 |
| DEC | -29.00731 |
| 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 | 56.538 |
| HIERARCH ESO ISS PBL12 END | 56.519 |
| HIERARCH ESO ISS PBLA12 START | 23.2 |
| HIERARCH ESO ISS PBLA12 END | 24.0 |
| HIERARCH ESO ISS PBL13 START | 102.424 |
| HIERARCH ESO ISS PBL13 END | 102.398 |
| HIERARCH ESO ISS PBLA13 START | 29.5 |
| HIERARCH ESO ISS PBLA13 END | 30.3 |
| HIERARCH ESO ISS PBL14 START | 130.071 |
| HIERARCH ESO ISS PBL14 END | 130.168 |
| HIERARCH ESO ISS PBLA14 START | 57.339 |
| HIERARCH ESO ISS PBLA14 END | 58.156 |
| HIERARCH ESO ISS PBL23 START | 46.641 |
| HIERARCH ESO ISS PBL23 END | 46.637 |
| HIERARCH ESO ISS PBLA23 START | 37.1 |
| HIERARCH ESO ISS PBLA23 END | 37.9 |
| HIERARCH ESO ISS PBL24 START | 89.106 |
| HIERARCH ESO ISS PBL24 END | 89.265 |
| HIERARCH ESO ISS PBLA24 START | 78.193 |
| HIERARCH ESO ISS PBLA24 END | 79.002 |
| HIERARCH ESO ISS PBL34 START | 62.024 |
| HIERARCH ESO ISS PBL34 END | 62.183 |
| HIERARCH ESO ISS PBLA34 START | 107.787 |
| HIERARCH ESO ISS PBLA34 END | 108.527 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004579 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003727 |
| HIERARCH ESO ISS AMBI TEMP | 13.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |