Exposure
- ID
- GRAVI.2023-07-06T01:20:07.491_1
- Header ID
- GRAVI.2023-07-06T01:20:07.491
- Date updated
- 2023-07-06 01:36:12 UTC+0000
- Release date
- 2024-07-06 01:36:12 UTC+0000
- UTC Start
- 2023-07-06 01:20:07.491
- UTC End
- 2023-07-06 01:26:07.491
- MJD Start
- 60131.05564226
- MJD End
- 60131.0598089267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030615
- Ambient temperature (°C)
- 13.5
- Seeing (arcsec)
- 0.935
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 | 56.3380 | 56.3590 | 9.3000 | 10.2000 |
| U1-U3 | 101.3940 | 101.4880 | 14.8000 | 15.8000 |
| U1-U4 | 121.9320 | 122.6680 | 40.8780 | 42.0580 |
| U2-U3 | 45.6500 | 45.7380 | 21.7000 | 22.8000 |
| U2-U4 | 79.6370 | 80.5200 | 62.6480 | 63.7580 |
| U3-U4 | 54.1660 | 54.9190 | 96.1770 | 96.8760 |
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 | 60131.05564226 |
| 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 | 56.338 |
| HIERARCH ESO ISS PBL12 END | 56.359 |
| HIERARCH ESO ISS PBLA12 START | 9.3 |
| HIERARCH ESO ISS PBLA12 END | 10.2 |
| HIERARCH ESO ISS PBL13 START | 101.394 |
| HIERARCH ESO ISS PBL13 END | 101.488 |
| HIERARCH ESO ISS PBLA13 START | 14.8 |
| HIERARCH ESO ISS PBLA13 END | 15.8 |
| HIERARCH ESO ISS PBL14 START | 121.932 |
| HIERARCH ESO ISS PBL14 END | 122.668 |
| HIERARCH ESO ISS PBLA14 START | 40.878 |
| HIERARCH ESO ISS PBLA14 END | 42.058 |
| HIERARCH ESO ISS PBL23 START | 45.65 |
| HIERARCH ESO ISS PBL23 END | 45.738 |
| HIERARCH ESO ISS PBLA23 START | 21.7 |
| HIERARCH ESO ISS PBLA23 END | 22.8 |
| HIERARCH ESO ISS PBL24 START | 79.637 |
| HIERARCH ESO ISS PBL24 END | 80.52 |
| HIERARCH ESO ISS PBLA24 START | 62.648 |
| HIERARCH ESO ISS PBLA24 END | 63.758 |
| HIERARCH ESO ISS PBL34 START | 54.166 |
| HIERARCH ESO ISS PBL34 END | 54.919 |
| HIERARCH ESO ISS PBLA34 START | 96.177 |
| HIERARCH ESO ISS PBLA34 END | 96.876 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00313 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002993 |
| HIERARCH ESO ISS AMBI TEMP | 13.5 |
| HIERARCH ESO ISS AMBI FWHM START | 1.02 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |