Exposure
- ID
- GRAVI.2023-09-02T02:06:40.821_1
- Header ID
- GRAVI.2023-09-02T02:06:40.821
- Date updated
- 2023-09-02 02:25:20 UTC+0000
- Release date
- 2024-09-02 02:25:20 UTC+0000
- UTC Start
- 2023-09-02 02:06:40.821
- UTC End
- 2023-09-02 02:12:40.821
- MJD Start
- 60189.08797246
- MJD End
- 60189.09213912667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032069999999999998
- Ambient temperature (°C)
- 11.12
- Seeing (arcsec)
- 0.8400000000000001
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 | 52.9430 | 52.6330 | 37.9000 | 38.2000 |
| U1-U3 | 94.1910 | 93.4790 | 44.1000 | 44.5000 |
| U1-U4 | 111.8500 | 110.2210 | 74.5130 | 75.0740 |
| U2-U3 | 41.9620 | 41.5550 | 52.0000 | 52.4000 |
| U2-U4 | 76.2270 | 75.0590 | 99.0000 | 99.9360 |
| U3-U4 | 56.6170 | 56.1230 | 131.7980 | 133.0450 |
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 | 60189.08797246 |
| 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 | 52.943 |
| HIERARCH ESO ISS PBL12 END | 52.633 |
| HIERARCH ESO ISS PBLA12 START | 37.9 |
| HIERARCH ESO ISS PBLA12 END | 38.2 |
| HIERARCH ESO ISS PBL13 START | 94.191 |
| HIERARCH ESO ISS PBL13 END | 93.479 |
| HIERARCH ESO ISS PBLA13 START | 44.1 |
| HIERARCH ESO ISS PBLA13 END | 44.5 |
| HIERARCH ESO ISS PBL14 START | 111.85 |
| HIERARCH ESO ISS PBL14 END | 110.221 |
| HIERARCH ESO ISS PBLA14 START | 74.513 |
| HIERARCH ESO ISS PBLA14 END | 75.074 |
| HIERARCH ESO ISS PBL23 START | 41.962 |
| HIERARCH ESO ISS PBL23 END | 41.555 |
| HIERARCH ESO ISS PBLA23 START | 52.0 |
| HIERARCH ESO ISS PBLA23 END | 52.4 |
| HIERARCH ESO ISS PBL24 START | 76.227 |
| HIERARCH ESO ISS PBL24 END | 75.059 |
| HIERARCH ESO ISS PBLA24 START | 99.0 |
| HIERARCH ESO ISS PBLA24 END | 99.936 |
| HIERARCH ESO ISS PBL34 START | 56.617 |
| HIERARCH ESO ISS PBL34 END | 56.123 |
| HIERARCH ESO ISS PBLA34 START | 131.798 |
| HIERARCH ESO ISS PBLA34 END | 133.045 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0033 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003114 |
| HIERARCH ESO ISS AMBI TEMP | 11.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |