Exposure
- ID
- GRAVI.2023-06-07T04:58:54.799_1
- Header ID
- GRAVI.2023-06-07T04:58:54.799
- Date updated
- 2023-06-07 05:15:23 UTC+0000
- Release date
- 2024-06-07 05:15:23 UTC+0000
- UTC Start
- 2023-06-07 04:58:54.799
- UTC End
- 2023-06-07 05:04:54.799
- MJD Start
- 60102.20757869
- MJD End
- 60102.2117453567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0116615
- Ambient temperature (°C)
- 15.04
- Seeing (arcsec)
- 0.52
Observation
- ID
- 55691
- Category
- science
- Program ID
- 111.24H1.002
- 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
- 41251
- Name
- S4
- RA
- 266.416567
- DEC
- -29.00724
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5440 | 56.5280 | 22.9000 | 23.7000 |
| U1-U3 | 102.4300 | 102.4110 | 29.2000 | 30.0000 |
| U1-U4 | 130.0120 | 130.1330 | 56.9970 | 57.8250 |
| U2-U3 | 46.6390 | 46.6400 | 36.8000 | 37.6000 |
| U2-U4 | 89.0220 | 89.2030 | 77.8560 | 78.6730 |
| U3-U4 | 61.9450 | 62.1190 | 107.4840 | 108.2260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60102.20757869 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416567 |
| DEC | -29.00724 |
| 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 | 56.544 |
| HIERARCH ESO ISS PBL12 END | 56.528 |
| HIERARCH ESO ISS PBLA12 START | 22.9 |
| HIERARCH ESO ISS PBLA12 END | 23.7 |
| HIERARCH ESO ISS PBL13 START | 102.43 |
| HIERARCH ESO ISS PBL13 END | 102.411 |
| HIERARCH ESO ISS PBLA13 START | 29.2 |
| HIERARCH ESO ISS PBLA13 END | 30.0 |
| HIERARCH ESO ISS PBL14 START | 130.012 |
| HIERARCH ESO ISS PBL14 END | 130.133 |
| HIERARCH ESO ISS PBLA14 START | 56.997 |
| HIERARCH ESO ISS PBLA14 END | 57.825 |
| HIERARCH ESO ISS PBL23 START | 46.639 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.8 |
| HIERARCH ESO ISS PBLA23 END | 37.6 |
| HIERARCH ESO ISS PBL24 START | 89.022 |
| HIERARCH ESO ISS PBL24 END | 89.203 |
| HIERARCH ESO ISS PBLA24 START | 77.856 |
| HIERARCH ESO ISS PBLA24 END | 78.673 |
| HIERARCH ESO ISS PBL34 START | 61.945 |
| HIERARCH ESO ISS PBL34 END | 62.119 |
| HIERARCH ESO ISS PBLA34 START | 107.484 |
| HIERARCH ESO ISS PBLA34 END | 108.226 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011781 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011542 |
| HIERARCH ESO ISS AMBI TEMP | 15.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |