Exposure
- ID
- GRAVI.2023-06-04T08:17:36.338_1
- Header ID
- GRAVI.2023-06-04T08:17:36.338
- Date updated
- 2023-06-04 08:30:52 UTC+0000
- Release date
- 2024-06-04 08:30:52 UTC+0000
- UTC Start
- 2023-06-04 08:17:36.338
- UTC End
- 2023-06-04 08:23:36.338
- MJD Start
- 60099.34555947
- MJD End
- 60099.3497261367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009038
- Ambient temperature (°C)
- 13.62
- Seeing (arcsec)
- 0.28
Observation
- ID
- 55650
- 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
- 41213
- Name
- S4
- RA
- 266.416876
- DEC
- -29.0073
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.0950 | 51.7440 | 38.8000 | 39.1000 |
| U1-U3 | 92.2490 | 91.4490 | 45.0000 | 45.3000 |
| U1-U4 | 107.4220 | 105.6140 | 75.9790 | 76.5310 |
| U2-U3 | 40.8520 | 40.3970 | 52.9000 | 53.2000 |
| U2-U4 | 73.0680 | 71.7930 | 101.5130 | 102.5180 |
| U3-U4 | 55.3030 | 54.7910 | 135.1480 | 136.4860 |
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 | 60099.34555947 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416876 |
| DEC | -29.0073 |
| 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 | 52.095 |
| HIERARCH ESO ISS PBL12 END | 51.744 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 92.249 |
| HIERARCH ESO ISS PBL13 END | 91.449 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.422 |
| HIERARCH ESO ISS PBL14 END | 105.614 |
| HIERARCH ESO ISS PBLA14 START | 75.979 |
| HIERARCH ESO ISS PBLA14 END | 76.531 |
| HIERARCH ESO ISS PBL23 START | 40.852 |
| HIERARCH ESO ISS PBL23 END | 40.397 |
| HIERARCH ESO ISS PBLA23 START | 52.9 |
| HIERARCH ESO ISS PBLA23 END | 53.2 |
| HIERARCH ESO ISS PBL24 START | 73.068 |
| HIERARCH ESO ISS PBL24 END | 71.793 |
| HIERARCH ESO ISS PBLA24 START | 101.513 |
| HIERARCH ESO ISS PBLA24 END | 102.518 |
| HIERARCH ESO ISS PBL34 START | 55.303 |
| HIERARCH ESO ISS PBL34 END | 54.791 |
| HIERARCH ESO ISS PBLA34 START | 135.148 |
| HIERARCH ESO ISS PBLA34 END | 136.486 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00884 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009236 |
| HIERARCH ESO ISS AMBI TEMP | 13.62 |
| HIERARCH ESO ISS AMBI FWHM START | 0.27 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |