Exposure
- ID
- GRAVI.2023-07-06T03:44:43.877_1
- Header ID
- GRAVI.2023-07-06T03:44:43.877
- Date updated
- 2023-07-06 04:00:33 UTC+0000
- Release date
- 2024-07-06 04:00:33 UTC+0000
- UTC Start
- 2023-07-06 03:44:43.877
- UTC End
- 2023-07-06 03:50:43.877
- MJD Start
- 60131.15606339
- MJD End
- 60131.1602300567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002831
- Ambient temperature (°C)
- 13.16
- Seeing (arcsec)
- 1.14
Observation
- ID
- 56154
- 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
- 41601
- Name
- S4
- RA
- 266.416585
- DEC
- -29.00715
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3380 | 56.2770 | 27.3000 | 28.0000 |
| U1-U3 | 102.0330 | 101.8970 | 33.7000 | 34.3000 |
| U1-U4 | 129.8320 | 129.5830 | 61.7930 | 62.5270 |
| U2-U3 | 46.4640 | 46.3900 | 41.4000 | 42.1000 |
| U2-U4 | 89.2940 | 89.1460 | 82.7280 | 83.5080 |
| U3-U4 | 62.4660 | 62.4300 | 112.1530 | 112.9580 |
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 | 60131.15606339 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416585 |
| DEC | -29.00715 |
| 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 | 56.277 |
| HIERARCH ESO ISS PBLA12 START | 27.3 |
| HIERARCH ESO ISS PBLA12 END | 28.0 |
| HIERARCH ESO ISS PBL13 START | 102.033 |
| HIERARCH ESO ISS PBL13 END | 101.897 |
| HIERARCH ESO ISS PBLA13 START | 33.7 |
| HIERARCH ESO ISS PBLA13 END | 34.3 |
| HIERARCH ESO ISS PBL14 START | 129.832 |
| HIERARCH ESO ISS PBL14 END | 129.583 |
| HIERARCH ESO ISS PBLA14 START | 61.793 |
| HIERARCH ESO ISS PBLA14 END | 62.527 |
| HIERARCH ESO ISS PBL23 START | 46.464 |
| HIERARCH ESO ISS PBL23 END | 46.39 |
| HIERARCH ESO ISS PBLA23 START | 41.4 |
| HIERARCH ESO ISS PBLA23 END | 42.1 |
| HIERARCH ESO ISS PBL24 START | 89.294 |
| HIERARCH ESO ISS PBL24 END | 89.146 |
| HIERARCH ESO ISS PBLA24 START | 82.728 |
| HIERARCH ESO ISS PBLA24 END | 83.508 |
| HIERARCH ESO ISS PBL34 START | 62.466 |
| HIERARCH ESO ISS PBL34 END | 62.43 |
| HIERARCH ESO ISS PBLA34 START | 112.153 |
| HIERARCH ESO ISS PBLA34 END | 112.958 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003184 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002478 |
| HIERARCH ESO ISS AMBI TEMP | 13.16 |
| HIERARCH ESO ISS AMBI FWHM START | 1.01 |
| HIERARCH ESO ISS AMBI FWHM END | 1.27 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |