Exposure
- ID
- GRAVI.2023-09-02T00:24:25.561_1
- Header ID
- GRAVI.2023-09-02T00:24:25.561
- Date updated
- 2023-09-02 00:40:23 UTC+0000
- Release date
- 2024-09-02 00:40:23 UTC+0000
- UTC Start
- 2023-09-02 00:24:25.561
- UTC End
- 2023-09-02 00:30:25.561
- MJD Start
- 60189.01696251
- MJD End
- 60189.02112917667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0029215
- Ambient temperature (°C)
- 11.32
- Seeing (arcsec)
- 0.99
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 | 56.0110 | 55.9090 | 30.1000 | 30.7000 |
| U1-U3 | 101.2930 | 101.0560 | 36.5000 | 37.1000 |
| U1-U4 | 128.3140 | 127.7850 | 64.8340 | 65.5110 |
| U2-U3 | 46.0510 | 45.9160 | 44.2000 | 44.8000 |
| U2-U4 | 88.2810 | 87.9020 | 86.0440 | 86.8150 |
| U3-U4 | 62.0910 | 61.9220 | 115.6850 | 116.5480 |
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 | 60189.01696251 |
| 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 | 56.011 |
| HIERARCH ESO ISS PBL12 END | 55.909 |
| HIERARCH ESO ISS PBLA12 START | 30.1 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 101.293 |
| HIERARCH ESO ISS PBL13 END | 101.056 |
| HIERARCH ESO ISS PBLA13 START | 36.5 |
| HIERARCH ESO ISS PBLA13 END | 37.1 |
| HIERARCH ESO ISS PBL14 START | 128.314 |
| HIERARCH ESO ISS PBL14 END | 127.785 |
| HIERARCH ESO ISS PBLA14 START | 64.834 |
| HIERARCH ESO ISS PBLA14 END | 65.511 |
| HIERARCH ESO ISS PBL23 START | 46.051 |
| HIERARCH ESO ISS PBL23 END | 45.916 |
| HIERARCH ESO ISS PBLA23 START | 44.2 |
| HIERARCH ESO ISS PBLA23 END | 44.8 |
| HIERARCH ESO ISS PBL24 START | 88.281 |
| HIERARCH ESO ISS PBL24 END | 87.902 |
| HIERARCH ESO ISS PBLA24 START | 86.044 |
| HIERARCH ESO ISS PBLA24 END | 86.815 |
| HIERARCH ESO ISS PBL34 START | 62.091 |
| HIERARCH ESO ISS PBL34 END | 61.922 |
| HIERARCH ESO ISS PBLA34 START | 115.685 |
| HIERARCH ESO ISS PBLA34 END | 116.548 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002644 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003199 |
| HIERARCH ESO ISS AMBI TEMP | 11.32 |
| HIERARCH ESO ISS AMBI FWHM START | 1.16 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |