Exposure
- ID
- GRAVI.2023-07-31T03:29:23.450_1
- Header ID
- GRAVI.2023-07-31T03:29:23.450
- Date updated
- 2023-07-31 03:45:15 UTC+0000
- Release date
- 2024-07-31 03:45:15 UTC+0000
- UTC Start
- 2023-07-31 03:29:23.450
- UTC End
- 2023-07-31 03:35:23.450
- MJD Start
- 60156.1454103
- MJD End
- 60156.149576966665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041025
- Ambient temperature (°C)
- 18.16
- Seeing (arcsec)
- 0.995
Observation
- ID
- 56481
- Category
- science
- Program ID
- 111.24H1.004
- 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
- 41857
- Name
- S4
- RA
- 266.417098
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.7620 | 54.5550 | 34.8000 | 35.2000 |
| U1-U3 | 98.3900 | 97.9090 | 41.1000 | 41.6000 |
| U1-U4 | 121.5850 | 120.4590 | 70.2950 | 70.8970 |
| U2-U3 | 44.3780 | 44.1000 | 48.9000 | 49.4000 |
| U2-U4 | 83.3320 | 82.5010 | 92.7420 | 93.5640 |
| U3-U4 | 59.7910 | 59.4060 | 123.6490 | 124.6900 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60156.1454103 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.417098 |
| DEC | -29.00725 |
| 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 | 54.762 |
| HIERARCH ESO ISS PBL12 END | 54.555 |
| HIERARCH ESO ISS PBLA12 START | 34.8 |
| HIERARCH ESO ISS PBLA12 END | 35.2 |
| HIERARCH ESO ISS PBL13 START | 98.39 |
| HIERARCH ESO ISS PBL13 END | 97.909 |
| HIERARCH ESO ISS PBLA13 START | 41.1 |
| HIERARCH ESO ISS PBLA13 END | 41.6 |
| HIERARCH ESO ISS PBL14 START | 121.585 |
| HIERARCH ESO ISS PBL14 END | 120.459 |
| HIERARCH ESO ISS PBLA14 START | 70.295 |
| HIERARCH ESO ISS PBLA14 END | 70.897 |
| HIERARCH ESO ISS PBL23 START | 44.378 |
| HIERARCH ESO ISS PBL23 END | 44.1 |
| HIERARCH ESO ISS PBLA23 START | 48.9 |
| HIERARCH ESO ISS PBLA23 END | 49.4 |
| HIERARCH ESO ISS PBL24 START | 83.332 |
| HIERARCH ESO ISS PBL24 END | 82.501 |
| HIERARCH ESO ISS PBLA24 START | 92.742 |
| HIERARCH ESO ISS PBLA24 END | 93.564 |
| HIERARCH ESO ISS PBL34 START | 59.791 |
| HIERARCH ESO ISS PBL34 END | 59.406 |
| HIERARCH ESO ISS PBLA34 START | 123.649 |
| HIERARCH ESO ISS PBLA34 END | 124.69 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004105 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0041 |
| HIERARCH ESO ISS AMBI TEMP | 18.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.97 |
| HIERARCH ESO ISS AMBI FWHM END | 1.02 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |