Exposure
- ID
- GRAVI.2023-07-04T01:50:51.560_1
- Header ID
- GRAVI.2023-07-04T01:50:51.560
- Date updated
- 2023-07-04 02:06:01 UTC+0000
- Release date
- 2024-07-04 02:06:01 UTC+0000
- UTC Start
- 2023-07-04 01:50:51.560
- UTC End
- 2023-07-04 01:56:51.560
- MJD Start
- 60129.07698565
- MJD End
- 60129.0811523167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046355
- Ambient temperature (°C)
- 12.32
- Seeing (arcsec)
- 0.68
Observation
- ID
- 56138
- 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
- 41585
- Name
- S4
- RA
- 266.416929
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4130 | 56.4350 | 12.4000 | 13.3000 |
| U1-U3 | 101.7250 | 101.8180 | 18.2000 | 19.2000 |
| U1-U4 | 124.4340 | 125.0940 | 44.9120 | 46.0010 |
| U2-U3 | 45.9560 | 46.0390 | 25.4000 | 26.4000 |
| U2-U4 | 82.5970 | 83.3600 | 66.4260 | 67.4410 |
| U3-U4 | 56.6580 | 57.2870 | 98.6240 | 99.3140 |
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 | 60129.07698565 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416929 |
| DEC | -29.00727 |
| 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 | 56.413 |
| HIERARCH ESO ISS PBL12 END | 56.435 |
| HIERARCH ESO ISS PBLA12 START | 12.4 |
| HIERARCH ESO ISS PBLA12 END | 13.3 |
| HIERARCH ESO ISS PBL13 START | 101.725 |
| HIERARCH ESO ISS PBL13 END | 101.818 |
| HIERARCH ESO ISS PBLA13 START | 18.2 |
| HIERARCH ESO ISS PBLA13 END | 19.2 |
| HIERARCH ESO ISS PBL14 START | 124.434 |
| HIERARCH ESO ISS PBL14 END | 125.094 |
| HIERARCH ESO ISS PBLA14 START | 44.912 |
| HIERARCH ESO ISS PBLA14 END | 46.001 |
| HIERARCH ESO ISS PBL23 START | 45.956 |
| HIERARCH ESO ISS PBL23 END | 46.039 |
| HIERARCH ESO ISS PBLA23 START | 25.4 |
| HIERARCH ESO ISS PBLA23 END | 26.4 |
| HIERARCH ESO ISS PBL24 START | 82.597 |
| HIERARCH ESO ISS PBL24 END | 83.36 |
| HIERARCH ESO ISS PBLA24 START | 66.426 |
| HIERARCH ESO ISS PBLA24 END | 67.441 |
| HIERARCH ESO ISS PBL34 START | 56.658 |
| HIERARCH ESO ISS PBL34 END | 57.287 |
| HIERARCH ESO ISS PBLA34 START | 98.624 |
| HIERARCH ESO ISS PBLA34 END | 99.314 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004882 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004389 |
| HIERARCH ESO ISS AMBI TEMP | 12.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| 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 |