Exposure
- ID
- GRAVI.2023-08-03T00:32:09.950_1
- Header ID
- GRAVI.2023-08-03T00:32:09.950
- Date updated
- 2023-08-03 00:45:35 UTC+0000
- Release date
- 2024-08-03 00:45:35 UTC+0000
- UTC Start
- 2023-08-03 00:32:09.950
- UTC End
- 2023-08-03 00:38:09.950
- MJD Start
- 60159.02233739
- MJD End
- 60159.02650405667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005478
- Ambient temperature (°C)
- 18.89
- Seeing (arcsec)
- 0.605
Observation
- ID
- 56501
- 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
- 41874
- Name
- S4
- RA
- 266.41687
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5290 | 56.5420 | 17.7000 | 18.5000 |
| U1-U3 | 102.2250 | 102.2870 | 23.7000 | 24.6000 |
| U1-U4 | 127.9330 | 128.3810 | 51.1200 | 52.0690 |
| U2-U3 | 46.4060 | 46.4630 | 31.2000 | 32.1000 |
| U2-U4 | 86.5830 | 87.0900 | 72.2230 | 73.1170 |
| U3-U4 | 59.9100 | 60.3210 | 102.7960 | 103.4940 |
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 | 60159.02233739 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41687 |
| 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 | 56.529 |
| HIERARCH ESO ISS PBL12 END | 56.542 |
| HIERARCH ESO ISS PBLA12 START | 17.7 |
| HIERARCH ESO ISS PBLA12 END | 18.5 |
| HIERARCH ESO ISS PBL13 START | 102.225 |
| HIERARCH ESO ISS PBL13 END | 102.287 |
| HIERARCH ESO ISS PBLA13 START | 23.7 |
| HIERARCH ESO ISS PBLA13 END | 24.6 |
| HIERARCH ESO ISS PBL14 START | 127.933 |
| HIERARCH ESO ISS PBL14 END | 128.381 |
| HIERARCH ESO ISS PBLA14 START | 51.12 |
| HIERARCH ESO ISS PBLA14 END | 52.069 |
| HIERARCH ESO ISS PBL23 START | 46.406 |
| HIERARCH ESO ISS PBL23 END | 46.463 |
| HIERARCH ESO ISS PBLA23 START | 31.2 |
| HIERARCH ESO ISS PBLA23 END | 32.1 |
| HIERARCH ESO ISS PBL24 START | 86.583 |
| HIERARCH ESO ISS PBL24 END | 87.09 |
| HIERARCH ESO ISS PBLA24 START | 72.223 |
| HIERARCH ESO ISS PBLA24 END | 73.117 |
| HIERARCH ESO ISS PBL34 START | 59.91 |
| HIERARCH ESO ISS PBL34 END | 60.321 |
| HIERARCH ESO ISS PBLA34 START | 102.796 |
| HIERARCH ESO ISS PBLA34 END | 103.494 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004606 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00635 |
| HIERARCH ESO ISS AMBI TEMP | 18.89 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |