Exposure
- ID
- GRAVI.2023-06-04T08:24:57.358_2
- Header ID
- GRAVI.2023-06-04T08:24:57.358
- Date updated
- 2023-06-04 08:40:24 UTC+0000
- Release date
- 2024-06-04 08:40:24 UTC+0000
- UTC Start
- 2023-06-04 08:24:57.358
- UTC End
- 2023-06-04 08:30:57.358
- MJD Start
- 60099.35066386
- MJD End
- 60099.3548305267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0090705
- Ambient temperature (°C)
- 13.71
- Seeing (arcsec)
- 0.29
Observation
- ID
- 55616
- 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
- 41180
- Name
- IRS16C
- RA
- 266.417108333333
- DEC
- -29.0076453055556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.6950 | 51.3290 | 39.1000 | 39.4000 |
| U1-U3 | 91.3360 | 90.5050 | 45.3000 | 45.6000 |
| U1-U4 | 105.3580 | 103.4850 | 76.6080 | 77.1540 |
| U2-U3 | 40.3320 | 39.8590 | 53.3000 | 53.6000 |
| U2-U4 | 71.6130 | 70.3030 | 102.6600 | 103.6930 |
| U3-U4 | 54.7200 | 54.2070 | 136.6740 | 138.0460 |
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 | 60099.35066386 |
| 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 | 51.695 |
| HIERARCH ESO ISS PBL12 END | 51.329 |
| HIERARCH ESO ISS PBLA12 START | 39.1 |
| HIERARCH ESO ISS PBLA12 END | 39.4 |
| HIERARCH ESO ISS PBL13 START | 91.336 |
| HIERARCH ESO ISS PBL13 END | 90.505 |
| HIERARCH ESO ISS PBLA13 START | 45.3 |
| HIERARCH ESO ISS PBLA13 END | 45.6 |
| HIERARCH ESO ISS PBL14 START | 105.358 |
| HIERARCH ESO ISS PBL14 END | 103.485 |
| HIERARCH ESO ISS PBLA14 START | 76.608 |
| HIERARCH ESO ISS PBLA14 END | 77.154 |
| HIERARCH ESO ISS PBL23 START | 40.332 |
| HIERARCH ESO ISS PBL23 END | 39.859 |
| HIERARCH ESO ISS PBLA23 START | 53.3 |
| HIERARCH ESO ISS PBLA23 END | 53.6 |
| HIERARCH ESO ISS PBL24 START | 71.613 |
| HIERARCH ESO ISS PBL24 END | 70.303 |
| HIERARCH ESO ISS PBLA24 START | 102.66 |
| HIERARCH ESO ISS PBLA24 END | 103.693 |
| HIERARCH ESO ISS PBL34 START | 54.72 |
| HIERARCH ESO ISS PBL34 END | 54.207 |
| HIERARCH ESO ISS PBLA34 START | 136.674 |
| HIERARCH ESO ISS PBLA34 END | 138.046 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009236 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008905 |
| HIERARCH ESO ISS AMBI TEMP | 13.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.28 |
| HIERARCH ESO ISS AMBI FWHM END | 0.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |