Exposure
- ID
- GRAVI.2023-07-06T04:15:43.960_1
- Header ID
- GRAVI.2023-07-06T04:15:43.960
- Date updated
- 2023-07-06 04:31:16 UTC+0000
- Release date
- 2024-07-06 04:31:15 UTC+0000
- UTC Start
- 2023-07-06 04:15:43.960
- UTC End
- 2023-07-06 04:21:43.960
- MJD Start
- 60131.17759213
- MJD End
- 60131.1817587967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031105
- Ambient temperature (°C)
- 13.06
- Seeing (arcsec)
- 0.94
Observation
- ID
- 56155
- 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
- 41602
- Name
- S4
- RA
- 266.416914
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.9610 | 55.8530 | 30.4000 | 31.0000 |
| U1-U3 | 101.1770 | 100.9260 | 36.8000 | 37.4000 |
| U1-U4 | 128.0580 | 127.4920 | 65.1700 | 65.8450 |
| U2-U3 | 45.9850 | 45.8420 | 44.5000 | 45.1000 |
| U2-U4 | 88.0980 | 87.6900 | 86.4250 | 87.2000 |
| U3-U4 | 62.0100 | 61.8260 | 116.1100 | 116.9860 |
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 | 60131.17759213 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| DEC | -29.00711 |
| 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 | 55.961 |
| HIERARCH ESO ISS PBL12 END | 55.853 |
| HIERARCH ESO ISS PBLA12 START | 30.4 |
| HIERARCH ESO ISS PBLA12 END | 31.0 |
| HIERARCH ESO ISS PBL13 START | 101.177 |
| HIERARCH ESO ISS PBL13 END | 100.926 |
| HIERARCH ESO ISS PBLA13 START | 36.8 |
| HIERARCH ESO ISS PBLA13 END | 37.4 |
| HIERARCH ESO ISS PBL14 START | 128.058 |
| HIERARCH ESO ISS PBL14 END | 127.492 |
| HIERARCH ESO ISS PBLA14 START | 65.17 |
| HIERARCH ESO ISS PBLA14 END | 65.845 |
| HIERARCH ESO ISS PBL23 START | 45.985 |
| HIERARCH ESO ISS PBL23 END | 45.842 |
| HIERARCH ESO ISS PBLA23 START | 44.5 |
| HIERARCH ESO ISS PBLA23 END | 45.1 |
| HIERARCH ESO ISS PBL24 START | 88.098 |
| HIERARCH ESO ISS PBL24 END | 87.69 |
| HIERARCH ESO ISS PBLA24 START | 86.425 |
| HIERARCH ESO ISS PBLA24 END | 87.2 |
| HIERARCH ESO ISS PBL34 START | 62.01 |
| HIERARCH ESO ISS PBL34 END | 61.826 |
| HIERARCH ESO ISS PBLA34 START | 116.11 |
| HIERARCH ESO ISS PBLA34 END | 116.986 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002835 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003386 |
| HIERARCH ESO ISS AMBI TEMP | 13.06 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |