Exposure
- ID
- GRAVI.2023-07-04T03:00:48.749_1
- Header ID
- GRAVI.2023-07-04T03:00:48.749
- Date updated
- 2023-07-04 03:16:01 UTC+0000
- Release date
- 2024-07-04 03:16:01 UTC+0000
- UTC Start
- 2023-07-04 03:00:48.749
- UTC End
- 2023-07-04 03:06:48.749
- MJD Start
- 60129.12556422
- MJD End
- 60129.1297308867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028605
- Ambient temperature (°C)
- 12.19
- Seeing (arcsec)
- 1.02
Observation
- ID
- 56139
- 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
- 41586
- Name
- S4
- RA
- 266.416639
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5580 | 56.5530 | 21.5000 | 22.3000 |
| U1-U3 | 102.4260 | 102.4340 | 27.7000 | 28.5000 |
| U1-U4 | 129.6460 | 129.8680 | 55.4300 | 56.2870 |
| U2-U3 | 46.6110 | 46.6300 | 35.3000 | 36.1000 |
| U2-U4 | 88.5560 | 88.8320 | 76.3280 | 77.1600 |
| U3-U4 | 61.5330 | 61.7720 | 106.1420 | 106.8660 |
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 | 60129.12556422 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.553 |
| HIERARCH ESO ISS PBLA12 START | 21.5 |
| HIERARCH ESO ISS PBLA12 END | 22.3 |
| HIERARCH ESO ISS PBL13 START | 102.426 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 27.7 |
| HIERARCH ESO ISS PBLA13 END | 28.5 |
| HIERARCH ESO ISS PBL14 START | 129.646 |
| HIERARCH ESO ISS PBL14 END | 129.868 |
| HIERARCH ESO ISS PBLA14 START | 55.43 |
| HIERARCH ESO ISS PBLA14 END | 56.287 |
| HIERARCH ESO ISS PBL23 START | 46.611 |
| HIERARCH ESO ISS PBL23 END | 46.63 |
| HIERARCH ESO ISS PBLA23 START | 35.3 |
| HIERARCH ESO ISS PBLA23 END | 36.1 |
| HIERARCH ESO ISS PBL24 START | 88.556 |
| HIERARCH ESO ISS PBL24 END | 88.832 |
| HIERARCH ESO ISS PBLA24 START | 76.328 |
| HIERARCH ESO ISS PBLA24 END | 77.16 |
| HIERARCH ESO ISS PBL34 START | 61.533 |
| HIERARCH ESO ISS PBL34 END | 61.772 |
| HIERARCH ESO ISS PBLA34 START | 106.142 |
| HIERARCH ESO ISS PBLA34 END | 106.866 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002862 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002859 |
| HIERARCH ESO ISS AMBI TEMP | 12.19 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |