Exposure
- ID
- GRAVI.2023-07-05T05:55:04.682_1
- Header ID
- GRAVI.2023-07-05T05:55:04.682
- Date updated
- 2023-07-05 06:10:44 UTC+0000
- Release date
- 2024-07-05 06:10:44 UTC+0000
- UTC Start
- 2023-07-05 05:55:04.682
- UTC End
- 2023-07-05 06:01:04.682
- MJD Start
- 60130.24658197
- MJD End
- 60130.2507486367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003492
- Ambient temperature (°C)
- 13.34
- Seeing (arcsec)
- 1.115
Observation
- ID
- 56147
- 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
- 41594
- Name
- S4
- RA
- 266.416727
- DEC
- -29.00739
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.1070 | 52.8040 | 37.7000 | 38.0000 |
| U1-U3 | 94.5660 | 93.8720 | 43.9000 | 44.3000 |
| U1-U4 | 112.7100 | 111.1200 | 74.2050 | 74.7670 |
| U2-U3 | 42.1770 | 41.7800 | 51.8000 | 52.2000 |
| U2-U4 | 76.8460 | 75.7030 | 98.4970 | 99.4210 |
| U3-U4 | 56.8820 | 56.3950 | 131.1300 | 132.3580 |
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 | 60130.24658197 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416727 |
| DEC | -29.00739 |
| 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 | 53.107 |
| HIERARCH ESO ISS PBL12 END | 52.804 |
| HIERARCH ESO ISS PBLA12 START | 37.7 |
| HIERARCH ESO ISS PBLA12 END | 38.0 |
| HIERARCH ESO ISS PBL13 START | 94.566 |
| HIERARCH ESO ISS PBL13 END | 93.872 |
| HIERARCH ESO ISS PBLA13 START | 43.9 |
| HIERARCH ESO ISS PBLA13 END | 44.3 |
| HIERARCH ESO ISS PBL14 START | 112.71 |
| HIERARCH ESO ISS PBL14 END | 111.12 |
| HIERARCH ESO ISS PBLA14 START | 74.205 |
| HIERARCH ESO ISS PBLA14 END | 74.767 |
| HIERARCH ESO ISS PBL23 START | 42.177 |
| HIERARCH ESO ISS PBL23 END | 41.78 |
| HIERARCH ESO ISS PBLA23 START | 51.8 |
| HIERARCH ESO ISS PBLA23 END | 52.2 |
| HIERARCH ESO ISS PBL24 START | 76.846 |
| HIERARCH ESO ISS PBL24 END | 75.703 |
| HIERARCH ESO ISS PBLA24 START | 98.497 |
| HIERARCH ESO ISS PBLA24 END | 99.421 |
| HIERARCH ESO ISS PBL34 START | 56.882 |
| HIERARCH ESO ISS PBL34 END | 56.395 |
| HIERARCH ESO ISS PBLA34 START | 131.13 |
| HIERARCH ESO ISS PBLA34 END | 132.358 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003891 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003093 |
| HIERARCH ESO ISS AMBI TEMP | 13.34 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 1.23 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |