Exposure
- ID
- GRAVI.2023-08-03T04:14:31.514_1
- Header ID
- GRAVI.2023-08-03T04:14:31.514
- Date updated
- 2023-08-03 04:25:37 UTC+0000
- Release date
- 2024-08-03 04:25:37 UTC+0000
- UTC Start
- 2023-08-03 04:14:31.514
- UTC End
- 2023-08-03 04:20:31.514
- MJD Start
- 60159.17675363
- MJD End
- 60159.18092029667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058905
- Ambient temperature (°C)
- 18.92
- Seeing (arcsec)
- 0.645
Observation
- ID
- 56502
- 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
- 41875
- Name
- S4
- RA
- 266.417034
- DEC
- -29.00737
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.4630 | 52.1290 | 38.4000 | 38.7000 |
| U1-U3 | 93.0890 | 92.3260 | 44.6000 | 45.0000 |
| U1-U4 | 109.3330 | 107.5990 | 75.3670 | 75.9230 |
| U2-U3 | 41.3320 | 40.8970 | 52.6000 | 52.9000 |
| U2-U4 | 74.4260 | 73.1930 | 100.4390 | 101.4140 |
| U3-U4 | 55.8600 | 55.3540 | 133.7150 | 135.0150 |
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 | 60159.17675363 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.417034 |
| DEC | -29.00737 |
| 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 | 52.463 |
| HIERARCH ESO ISS PBL12 END | 52.129 |
| HIERARCH ESO ISS PBLA12 START | 38.4 |
| HIERARCH ESO ISS PBLA12 END | 38.7 |
| HIERARCH ESO ISS PBL13 START | 93.089 |
| HIERARCH ESO ISS PBL13 END | 92.326 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 45.0 |
| HIERARCH ESO ISS PBL14 START | 109.333 |
| HIERARCH ESO ISS PBL14 END | 107.599 |
| HIERARCH ESO ISS PBLA14 START | 75.367 |
| HIERARCH ESO ISS PBLA14 END | 75.923 |
| HIERARCH ESO ISS PBL23 START | 41.332 |
| HIERARCH ESO ISS PBL23 END | 40.897 |
| HIERARCH ESO ISS PBLA23 START | 52.6 |
| HIERARCH ESO ISS PBLA23 END | 52.9 |
| HIERARCH ESO ISS PBL24 START | 74.426 |
| HIERARCH ESO ISS PBL24 END | 73.193 |
| HIERARCH ESO ISS PBLA24 START | 100.439 |
| HIERARCH ESO ISS PBLA24 END | 101.414 |
| HIERARCH ESO ISS PBL34 START | 55.86 |
| HIERARCH ESO ISS PBL34 END | 55.354 |
| HIERARCH ESO ISS PBLA34 START | 133.715 |
| HIERARCH ESO ISS PBLA34 END | 135.015 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005174 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006607 |
| HIERARCH ESO ISS AMBI TEMP | 18.92 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |