Exposure
- ID
- GRAVI.2023-09-02T01:25:28.716_1
- Header ID
- GRAVI.2023-09-02T01:25:28.716
- Date updated
- 2023-09-02 01:40:19 UTC+0000
- Release date
- 2024-09-02 01:40:19 UTC+0000
- UTC Start
- 2023-09-02 01:25:28.716
- UTC End
- 2023-09-02 01:31:28.716
- MJD Start
- 60189.05936014
- MJD End
- 60189.06352680667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036725000000000004
- Ambient temperature (°C)
- 11.23
- Seeing (arcsec)
- 0.775
Observation
- ID
- 56837
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42125
- Name
- S4
- RA
- 266.416848
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.5770 | 54.3570 | 35.2000 | 35.7000 |
| U1-U3 | 97.9590 | 97.4510 | 41.5000 | 42.0000 |
| U1-U4 | 120.5770 | 119.3890 | 70.8360 | 71.4310 |
| U2-U3 | 44.1290 | 43.8360 | 49.4000 | 49.8000 |
| U2-U4 | 82.5880 | 81.7130 | 93.4800 | 94.3100 |
| U3-U4 | 59.4460 | 59.0440 | 124.5830 | 125.6450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60189.05936014 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| DEC | -29.00725 |
| 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 | 54.577 |
| HIERARCH ESO ISS PBL12 END | 54.357 |
| HIERARCH ESO ISS PBLA12 START | 35.2 |
| HIERARCH ESO ISS PBLA12 END | 35.7 |
| HIERARCH ESO ISS PBL13 START | 97.959 |
| HIERARCH ESO ISS PBL13 END | 97.451 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 42.0 |
| HIERARCH ESO ISS PBL14 START | 120.577 |
| HIERARCH ESO ISS PBL14 END | 119.389 |
| HIERARCH ESO ISS PBLA14 START | 70.836 |
| HIERARCH ESO ISS PBLA14 END | 71.431 |
| HIERARCH ESO ISS PBL23 START | 44.129 |
| HIERARCH ESO ISS PBL23 END | 43.836 |
| HIERARCH ESO ISS PBLA23 START | 49.4 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 82.588 |
| HIERARCH ESO ISS PBL24 END | 81.713 |
| HIERARCH ESO ISS PBLA24 START | 93.48 |
| HIERARCH ESO ISS PBLA24 END | 94.31 |
| HIERARCH ESO ISS PBL34 START | 59.446 |
| HIERARCH ESO ISS PBL34 END | 59.044 |
| HIERARCH ESO ISS PBLA34 START | 124.583 |
| HIERARCH ESO ISS PBLA34 END | 125.645 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003956 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003389 |
| HIERARCH ESO ISS AMBI TEMP | 11.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.77 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |