Exposure
- ID
- GRAVI.2023-06-04T06:19:15.019_1
- Header ID
- GRAVI.2023-06-04T06:19:15.019
- Date updated
- 2023-06-04 06:36:13 UTC+0000
- Release date
- 2024-06-04 06:36:13 UTC+0000
- UTC Start
- 2023-06-04 06:19:15.019
- UTC End
- 2023-06-04 06:25:15.019
- MJD Start
- 60099.26336828
- MJD End
- 60099.2675349467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064545
- Ambient temperature (°C)
- 13.39
- Seeing (arcsec)
- 0.52
Observation
- ID
- 55649
- 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
- 41212
- Name
- S4
- RA
- 266.416752
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.9970 | 55.8920 | 30.2000 | 30.8000 |
| U1-U3 | 101.2590 | 101.0180 | 36.5000 | 37.1000 |
| U1-U4 | 128.2390 | 127.7000 | 64.9360 | 65.6110 |
| U2-U3 | 46.0320 | 45.8940 | 44.3000 | 44.9000 |
| U2-U4 | 88.2280 | 87.8400 | 86.1580 | 86.9290 |
| U3-U4 | 62.0670 | 61.8950 | 115.8130 | 116.6770 |
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 | 60099.26336828 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 55.997 |
| HIERARCH ESO ISS PBL12 END | 55.892 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.8 |
| HIERARCH ESO ISS PBL13 START | 101.259 |
| HIERARCH ESO ISS PBL13 END | 101.018 |
| HIERARCH ESO ISS PBLA13 START | 36.5 |
| HIERARCH ESO ISS PBLA13 END | 37.1 |
| HIERARCH ESO ISS PBL14 START | 128.239 |
| HIERARCH ESO ISS PBL14 END | 127.7 |
| HIERARCH ESO ISS PBLA14 START | 64.936 |
| HIERARCH ESO ISS PBLA14 END | 65.611 |
| HIERARCH ESO ISS PBL23 START | 46.032 |
| HIERARCH ESO ISS PBL23 END | 45.894 |
| HIERARCH ESO ISS PBLA23 START | 44.3 |
| HIERARCH ESO ISS PBLA23 END | 44.9 |
| HIERARCH ESO ISS PBL24 START | 88.228 |
| HIERARCH ESO ISS PBL24 END | 87.84 |
| HIERARCH ESO ISS PBLA24 START | 86.158 |
| HIERARCH ESO ISS PBLA24 END | 86.929 |
| HIERARCH ESO ISS PBL34 START | 62.067 |
| HIERARCH ESO ISS PBL34 END | 61.895 |
| HIERARCH ESO ISS PBLA34 START | 115.813 |
| HIERARCH ESO ISS PBLA34 END | 116.677 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007884 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005025 |
| HIERARCH ESO ISS AMBI TEMP | 13.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |