Exposure
- ID
- GRAVI.2023-09-02T01:17:43.697_1
- Header ID
- GRAVI.2023-09-02T01:17:43.697
- Date updated
- 2023-09-02 01:35:18 UTC+0000
- Release date
- 2024-09-02 01:35:18 UTC+0000
- UTC Start
- 2023-09-02 01:17:43.697
- UTC End
- 2023-09-02 01:23:43.697
- MJD Start
- 60189.05397797
- MJD End
- 60189.05814463666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003551
- Ambient temperature (°C)
- 11.21
- Seeing (arcsec)
- 0.93
Observation
- ID
- 56837
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42125
- Name
- S4
- RA
- 266.416848
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.8200 | 54.6170 | 34.6000 | 35.1000 |
| U1-U3 | 98.5250 | 98.0530 | 41.0000 | 41.4000 |
| U1-U4 | 121.9020 | 120.7970 | 70.1170 | 70.7210 |
| U2-U3 | 44.4560 | 44.1830 | 48.8000 | 49.3000 |
| U2-U4 | 83.5660 | 82.7500 | 92.5030 | 93.3220 |
| U3-U4 | 59.9000 | 59.5210 | 123.3490 | 124.3830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60189.05397797 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| 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 | 54.82 |
| HIERARCH ESO ISS PBL12 END | 54.617 |
| HIERARCH ESO ISS PBLA12 START | 34.6 |
| HIERARCH ESO ISS PBLA12 END | 35.1 |
| HIERARCH ESO ISS PBL13 START | 98.525 |
| HIERARCH ESO ISS PBL13 END | 98.053 |
| HIERARCH ESO ISS PBLA13 START | 41.0 |
| HIERARCH ESO ISS PBLA13 END | 41.4 |
| HIERARCH ESO ISS PBL14 START | 121.902 |
| HIERARCH ESO ISS PBL14 END | 120.797 |
| HIERARCH ESO ISS PBLA14 START | 70.117 |
| HIERARCH ESO ISS PBLA14 END | 70.721 |
| HIERARCH ESO ISS PBL23 START | 44.456 |
| HIERARCH ESO ISS PBL23 END | 44.183 |
| HIERARCH ESO ISS PBLA23 START | 48.8 |
| HIERARCH ESO ISS PBLA23 END | 49.3 |
| HIERARCH ESO ISS PBL24 START | 83.566 |
| HIERARCH ESO ISS PBL24 END | 82.75 |
| HIERARCH ESO ISS PBLA24 START | 92.503 |
| HIERARCH ESO ISS PBLA24 END | 93.322 |
| HIERARCH ESO ISS PBL34 START | 59.9 |
| HIERARCH ESO ISS PBL34 END | 59.521 |
| HIERARCH ESO ISS PBLA34 START | 123.349 |
| HIERARCH ESO ISS PBLA34 END | 124.383 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003158 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003944 |
| HIERARCH ESO ISS AMBI TEMP | 11.21 |
| HIERARCH ESO ISS AMBI FWHM START | 1.06 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |