Exposure
- ID
- GRAVI.2023-07-05T06:11:22.725_1
- Header ID
- GRAVI.2023-07-05T06:11:22.725
- Date updated
- 2023-07-05 06:26:31 UTC+0000
- Release date
- 2024-07-05 06:26:31 UTC+0000
- UTC Start
- 2023-07-05 06:11:22.725
- UTC End
- 2023-07-05 06:17:22.725
- MJD Start
- 60130.25790191
- MJD End
- 60130.2620685767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003851
- Ambient temperature (°C)
- 13.24
- Seeing (arcsec)
- 1.02
Observation
- ID
- 56147
- 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
- 41594
- Name
- S4
- RA
- 266.416727
- DEC
- -29.00739
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.3190 | 51.9800 | 38.6000 | 38.9000 |
| U1-U3 | 92.7620 | 91.9870 | 44.8000 | 45.1000 |
| U1-U4 | 108.5880 | 106.8290 | 75.6100 | 76.1630 |
| U2-U3 | 41.1450 | 40.7030 | 52.7000 | 53.0000 |
| U2-U4 | 73.8950 | 72.6490 | 100.8600 | 101.8440 |
| U3-U4 | 55.6410 | 55.1340 | 134.2760 | 135.5880 |
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 | 60130.25790191 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416727 |
| DEC | -29.00739 |
| 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 | 52.319 |
| HIERARCH ESO ISS PBL12 END | 51.98 |
| HIERARCH ESO ISS PBLA12 START | 38.6 |
| HIERARCH ESO ISS PBLA12 END | 38.9 |
| HIERARCH ESO ISS PBL13 START | 92.762 |
| HIERARCH ESO ISS PBL13 END | 91.987 |
| HIERARCH ESO ISS PBLA13 START | 44.8 |
| HIERARCH ESO ISS PBLA13 END | 45.1 |
| HIERARCH ESO ISS PBL14 START | 108.588 |
| HIERARCH ESO ISS PBL14 END | 106.829 |
| HIERARCH ESO ISS PBLA14 START | 75.61 |
| HIERARCH ESO ISS PBLA14 END | 76.163 |
| HIERARCH ESO ISS PBL23 START | 41.145 |
| HIERARCH ESO ISS PBL23 END | 40.703 |
| HIERARCH ESO ISS PBLA23 START | 52.7 |
| HIERARCH ESO ISS PBLA23 END | 53.0 |
| HIERARCH ESO ISS PBL24 START | 73.895 |
| HIERARCH ESO ISS PBL24 END | 72.649 |
| HIERARCH ESO ISS PBLA24 START | 100.86 |
| HIERARCH ESO ISS PBLA24 END | 101.844 |
| HIERARCH ESO ISS PBL34 START | 55.641 |
| HIERARCH ESO ISS PBL34 END | 55.134 |
| HIERARCH ESO ISS PBLA34 START | 134.276 |
| HIERARCH ESO ISS PBLA34 END | 135.588 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003488 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004214 |
| HIERARCH ESO ISS AMBI TEMP | 13.24 |
| HIERARCH ESO ISS AMBI FWHM START | 1.03 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |