Exposure
- ID
- GRAVI.2023-07-01T04:44:51.213_1
- Header ID
- GRAVI.2023-07-01T04:44:51.213
- Date updated
- 2023-07-01 05:00:42 UTC+0000
- Release date
- 2024-07-01 05:00:42 UTC+0000
- UTC Start
- 2023-07-01 04:44:51.213
- UTC End
- 2023-07-01 04:50:51.213
- MJD Start
- 60126.19781497
- MJD End
- 60126.2019816367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010116
- Ambient temperature (°C)
- 18.48
- Seeing (arcsec)
- 0.385
Observation
- ID
- 56088
- Category
- science
- Program ID
- 111.24H1.003
- 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
- 41539
- Name
- S4
- RA
- 266.416934
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.7990 | 55.6750 | 31.2000 | 31.8000 |
| U1-U3 | 100.8030 | 100.5130 | 37.6000 | 38.2000 |
| U1-U4 | 127.2100 | 126.5440 | 66.1530 | 66.8120 |
| U2-U3 | 45.7710 | 45.6040 | 45.4000 | 46.0000 |
| U2-U4 | 87.4850 | 86.9970 | 87.5580 | 88.3370 |
| U3-U4 | 61.7330 | 61.5070 | 117.3940 | 118.2950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60126.19781497 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416934 |
| DEC | -29.00727 |
| 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 | 55.799 |
| HIERARCH ESO ISS PBL12 END | 55.675 |
| HIERARCH ESO ISS PBLA12 START | 31.2 |
| HIERARCH ESO ISS PBLA12 END | 31.8 |
| HIERARCH ESO ISS PBL13 START | 100.803 |
| HIERARCH ESO ISS PBL13 END | 100.513 |
| HIERARCH ESO ISS PBLA13 START | 37.6 |
| HIERARCH ESO ISS PBLA13 END | 38.2 |
| HIERARCH ESO ISS PBL14 START | 127.21 |
| HIERARCH ESO ISS PBL14 END | 126.544 |
| HIERARCH ESO ISS PBLA14 START | 66.153 |
| HIERARCH ESO ISS PBLA14 END | 66.812 |
| HIERARCH ESO ISS PBL23 START | 45.771 |
| HIERARCH ESO ISS PBL23 END | 45.604 |
| HIERARCH ESO ISS PBLA23 START | 45.4 |
| HIERARCH ESO ISS PBLA23 END | 46.0 |
| HIERARCH ESO ISS PBL24 START | 87.485 |
| HIERARCH ESO ISS PBL24 END | 86.997 |
| HIERARCH ESO ISS PBLA24 START | 87.558 |
| HIERARCH ESO ISS PBLA24 END | 88.337 |
| HIERARCH ESO ISS PBL34 START | 61.733 |
| HIERARCH ESO ISS PBL34 END | 61.507 |
| HIERARCH ESO ISS PBLA34 START | 117.394 |
| HIERARCH ESO ISS PBLA34 END | 118.295 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010196 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010036 |
| HIERARCH ESO ISS AMBI TEMP | 18.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| 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 |