Exposure
- ID
- GRAVI.2023-08-03T01:23:55.082_1
- Header ID
- GRAVI.2023-08-03T01:23:55.082
- Date updated
- 2023-08-03 01:40:18 UTC+0000
- Release date
- 2024-08-03 01:40:17 UTC+0000
- UTC Start
- 2023-08-03 01:23:55.082
- UTC End
- 2023-08-03 01:29:55.082
- MJD Start
- 60159.05827641
- MJD End
- 60159.06244307667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0057825
- Ambient temperature (°C)
- 18.59
- Seeing (arcsec)
- 0.565
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 | 56.5200 | 56.4950 | 23.9000 | 24.7000 |
| U1-U3 | 102.3990 | 102.3570 | 30.2000 | 31.0000 |
| U1-U4 | 130.1670 | 130.2080 | 58.1270 | 58.9230 |
| U2-U3 | 46.6380 | 46.6230 | 37.9000 | 38.7000 |
| U2-U4 | 89.2620 | 89.3690 | 78.9730 | 79.7710 |
| U3-U4 | 62.1790 | 62.3040 | 108.5000 | 109.2460 |
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 | 60159.05827641 |
| 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 | 56.52 |
| HIERARCH ESO ISS PBL12 END | 56.495 |
| HIERARCH ESO ISS PBLA12 START | 23.9 |
| HIERARCH ESO ISS PBLA12 END | 24.7 |
| HIERARCH ESO ISS PBL13 START | 102.399 |
| HIERARCH ESO ISS PBL13 END | 102.357 |
| HIERARCH ESO ISS PBLA13 START | 30.2 |
| HIERARCH ESO ISS PBLA13 END | 31.0 |
| HIERARCH ESO ISS PBL14 START | 130.167 |
| HIERARCH ESO ISS PBL14 END | 130.208 |
| HIERARCH ESO ISS PBLA14 START | 58.127 |
| HIERARCH ESO ISS PBLA14 END | 58.923 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.623 |
| HIERARCH ESO ISS PBLA23 START | 37.9 |
| HIERARCH ESO ISS PBLA23 END | 38.7 |
| HIERARCH ESO ISS PBL24 START | 89.262 |
| HIERARCH ESO ISS PBL24 END | 89.369 |
| HIERARCH ESO ISS PBLA24 START | 78.973 |
| HIERARCH ESO ISS PBLA24 END | 79.771 |
| HIERARCH ESO ISS PBL34 START | 62.179 |
| HIERARCH ESO ISS PBL34 END | 62.304 |
| HIERARCH ESO ISS PBLA34 START | 108.5 |
| HIERARCH ESO ISS PBLA34 END | 109.246 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005695 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00587 |
| HIERARCH ESO ISS AMBI TEMP | 18.59 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |