Exposure
- ID
- GRAVI.2023-07-31T02:41:26.328_1
- Header ID
- GRAVI.2023-07-31T02:41:26.328
- Date updated
- 2023-07-31 02:55:26 UTC+0000
- Release date
- 2024-07-31 02:55:25 UTC+0000
- UTC Start
- 2023-07-31 02:41:26.328
- UTC End
- 2023-07-31 02:47:26.328
- MJD Start
- 60156.11211028
- MJD End
- 60156.11627694667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003607
- Ambient temperature (°C)
- 18.03
- Seeing (arcsec)
- 1.08
Observation
- ID
- 56480
- Category
- science
- Program ID
- 111.24H1.004
- 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
- 41856
- Name
- S4
- RA
- 266.41672
- DEC
- -29.00715
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.8950 | 55.7800 | 30.7000 | 31.3000 |
| U1-U3 | 101.0250 | 100.7580 | 37.1000 | 37.7000 |
| U1-U4 | 127.7150 | 127.1070 | 65.5930 | 66.2600 |
| U2-U3 | 45.8980 | 45.7450 | 44.9000 | 45.5000 |
| U2-U4 | 87.8510 | 87.4090 | 86.9090 | 87.6840 |
| U3-U4 | 61.9000 | 61.6980 | 116.6540 | 117.5390 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60156.11211028 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41672 |
| DEC | -29.00715 |
| 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 | 55.895 |
| HIERARCH ESO ISS PBL12 END | 55.78 |
| HIERARCH ESO ISS PBLA12 START | 30.7 |
| HIERARCH ESO ISS PBLA12 END | 31.3 |
| HIERARCH ESO ISS PBL13 START | 101.025 |
| HIERARCH ESO ISS PBL13 END | 100.758 |
| HIERARCH ESO ISS PBLA13 START | 37.1 |
| HIERARCH ESO ISS PBLA13 END | 37.7 |
| HIERARCH ESO ISS PBL14 START | 127.715 |
| HIERARCH ESO ISS PBL14 END | 127.107 |
| HIERARCH ESO ISS PBLA14 START | 65.593 |
| HIERARCH ESO ISS PBLA14 END | 66.26 |
| HIERARCH ESO ISS PBL23 START | 45.898 |
| HIERARCH ESO ISS PBL23 END | 45.745 |
| HIERARCH ESO ISS PBLA23 START | 44.9 |
| HIERARCH ESO ISS PBLA23 END | 45.5 |
| HIERARCH ESO ISS PBL24 START | 87.851 |
| HIERARCH ESO ISS PBL24 END | 87.409 |
| HIERARCH ESO ISS PBLA24 START | 86.909 |
| HIERARCH ESO ISS PBLA24 END | 87.684 |
| HIERARCH ESO ISS PBL34 START | 61.9 |
| HIERARCH ESO ISS PBL34 END | 61.698 |
| HIERARCH ESO ISS PBLA34 START | 116.654 |
| HIERARCH ESO ISS PBLA34 END | 117.539 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00305 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004164 |
| HIERARCH ESO ISS AMBI TEMP | 18.03 |
| HIERARCH ESO ISS AMBI FWHM START | 1.25 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |