Exposure
- ID
- GRAVI.2023-07-01T02:28:17.845_1
- Header ID
- GRAVI.2023-07-01T02:28:17.845
- Date updated
- 2023-07-01 02:46:27 UTC+0000
- Release date
- 2024-07-01 02:46:27 UTC+0000
- UTC Start
- 2023-07-01 02:28:17.845
- UTC End
- 2023-07-01 02:34:17.845
- MJD Start
- 60126.10298432
- MJD End
- 60126.1071509867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006965
- Ambient temperature (°C)
- 19.53
- Seeing (arcsec)
- 0.62
Observation
- ID
- 56087
- 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
- 41538
- Name
- S4
- RA
- 266.416858
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4940 | 56.5120 | 15.9000 | 16.7000 |
| U1-U3 | 102.0720 | 102.1490 | 21.9000 | 22.8000 |
| U1-U4 | 126.8630 | 127.3950 | 49.0650 | 50.0600 |
| U2-U3 | 46.2680 | 46.3370 | 29.2000 | 30.2000 |
| U2-U4 | 85.3750 | 85.9760 | 70.2980 | 71.2290 |
| U3-U4 | 58.9310 | 59.4190 | 101.3460 | 102.0390 |
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 | 60126.10298432 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416858 |
| 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 | 56.494 |
| HIERARCH ESO ISS PBL12 END | 56.512 |
| HIERARCH ESO ISS PBLA12 START | 15.9 |
| HIERARCH ESO ISS PBLA12 END | 16.7 |
| HIERARCH ESO ISS PBL13 START | 102.072 |
| HIERARCH ESO ISS PBL13 END | 102.149 |
| HIERARCH ESO ISS PBLA13 START | 21.9 |
| HIERARCH ESO ISS PBLA13 END | 22.8 |
| HIERARCH ESO ISS PBL14 START | 126.863 |
| HIERARCH ESO ISS PBL14 END | 127.395 |
| HIERARCH ESO ISS PBLA14 START | 49.065 |
| HIERARCH ESO ISS PBLA14 END | 50.06 |
| HIERARCH ESO ISS PBL23 START | 46.268 |
| HIERARCH ESO ISS PBL23 END | 46.337 |
| HIERARCH ESO ISS PBLA23 START | 29.2 |
| HIERARCH ESO ISS PBLA23 END | 30.2 |
| HIERARCH ESO ISS PBL24 START | 85.375 |
| HIERARCH ESO ISS PBL24 END | 85.976 |
| HIERARCH ESO ISS PBLA24 START | 70.298 |
| HIERARCH ESO ISS PBLA24 END | 71.229 |
| HIERARCH ESO ISS PBL34 START | 58.931 |
| HIERARCH ESO ISS PBL34 END | 59.419 |
| HIERARCH ESO ISS PBLA34 START | 101.346 |
| HIERARCH ESO ISS PBLA34 END | 102.039 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007244 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006686 |
| HIERARCH ESO ISS AMBI TEMP | 19.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |