Exposure
- ID
- GRAVI.2023-08-30T23:47:41.308_1
- Header ID
- GRAVI.2023-08-30T23:47:41.308
- Date updated
- 2023-08-31 00:00:56 UTC+0000
- Release date
- 2024-08-31 00:00:56 UTC+0000
- UTC Start
- 2023-08-30 23:47:41.308
- UTC End
- 2023-08-30 23:53:41.308
- MJD Start
- 60186.99145032
- MJD End
- 60186.995616986664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030645
- Ambient temperature (°C)
- 14.19
- Seeing (arcsec)
- 0.9
Observation
- ID
- 56822
- 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
- 42111
- Name
- S4
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4590 | 56.4190 | 25.5000 | 26.2000 |
| U1-U3 | 102.2880 | 102.2060 | 31.8000 | 32.6000 |
| U1-U4 | 130.1850 | 130.0990 | 59.8350 | 60.6040 |
| U2-U3 | 46.5930 | 46.5540 | 39.5000 | 40.3000 |
| U2-U4 | 89.4250 | 89.4180 | 80.6950 | 81.4850 |
| U3-U4 | 62.4030 | 62.4540 | 110.1310 | 110.9040 |
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 | 60186.99145032 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41685 |
| DEC | -29.00732 |
| 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 | 56.459 |
| HIERARCH ESO ISS PBL12 END | 56.419 |
| HIERARCH ESO ISS PBLA12 START | 25.5 |
| HIERARCH ESO ISS PBLA12 END | 26.2 |
| HIERARCH ESO ISS PBL13 START | 102.288 |
| HIERARCH ESO ISS PBL13 END | 102.206 |
| HIERARCH ESO ISS PBLA13 START | 31.8 |
| HIERARCH ESO ISS PBLA13 END | 32.6 |
| HIERARCH ESO ISS PBL14 START | 130.185 |
| HIERARCH ESO ISS PBL14 END | 130.099 |
| HIERARCH ESO ISS PBLA14 START | 59.835 |
| HIERARCH ESO ISS PBLA14 END | 60.604 |
| HIERARCH ESO ISS PBL23 START | 46.593 |
| HIERARCH ESO ISS PBL23 END | 46.554 |
| HIERARCH ESO ISS PBLA23 START | 39.5 |
| HIERARCH ESO ISS PBLA23 END | 40.3 |
| HIERARCH ESO ISS PBL24 START | 89.425 |
| HIERARCH ESO ISS PBL24 END | 89.418 |
| HIERARCH ESO ISS PBLA24 START | 80.695 |
| HIERARCH ESO ISS PBLA24 END | 81.485 |
| HIERARCH ESO ISS PBL34 START | 62.403 |
| HIERARCH ESO ISS PBL34 END | 62.454 |
| HIERARCH ESO ISS PBLA34 START | 110.131 |
| HIERARCH ESO ISS PBLA34 END | 110.904 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003023 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003106 |
| HIERARCH ESO ISS AMBI TEMP | 14.19 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |