Exposure
- ID
- GRAVI.2025-07-08T04:30:14.687_1
- Header ID
- GRAVI.2025-07-08T04:30:14.687
- Date updated
- 2025-07-08 04:45:25 UTC+0000
- Release date
- 2026-07-08 04:45:25 UTC+0000
- UTC Start
- 2025-07-08 04:30:14.687
- UTC End
- 2025-07-08 04:36:14.687
- MJD Start
- 60864.18766999
- MJD End
- 60864.19183665667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011293999999999998
- Ambient temperature (°C)
- 15.79
- Seeing (arcsec)
- 0.23
Observation
- ID
- 68387
- Category
- science
- Program ID
- 115.27WT.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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50822
- Name
- SGRA
- RA
- 266.416487
- DEC
- -29.00737
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.4960 | 55.3450 | 32.6000 | 33.1000 |
| U1-U3 | 100.0970 | 99.7470 | 38.9000 | 39.5000 |
| U1-U4 | 125.5820 | 124.7640 | 67.6450 | 68.2760 |
| U2-U3 | 45.3640 | 45.1620 | 46.7000 | 47.3000 |
| U2-U4 | 86.2890 | 85.6850 | 89.3440 | 90.1250 |
| U3-U4 | 61.1770 | 60.8930 | 119.4820 | 120.4170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60864.18766999 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416487 |
| 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 | 55.496 |
| HIERARCH ESO ISS PBL12 END | 55.345 |
| HIERARCH ESO ISS PBLA12 START | 32.6 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 100.097 |
| HIERARCH ESO ISS PBL13 END | 99.747 |
| HIERARCH ESO ISS PBLA13 START | 38.9 |
| HIERARCH ESO ISS PBLA13 END | 39.5 |
| HIERARCH ESO ISS PBL14 START | 125.582 |
| HIERARCH ESO ISS PBL14 END | 124.764 |
| HIERARCH ESO ISS PBLA14 START | 67.645 |
| HIERARCH ESO ISS PBLA14 END | 68.276 |
| HIERARCH ESO ISS PBL23 START | 45.364 |
| HIERARCH ESO ISS PBL23 END | 45.162 |
| HIERARCH ESO ISS PBLA23 START | 46.7 |
| HIERARCH ESO ISS PBLA23 END | 47.3 |
| HIERARCH ESO ISS PBL24 START | 86.289 |
| HIERARCH ESO ISS PBL24 END | 85.685 |
| HIERARCH ESO ISS PBLA24 START | 89.344 |
| HIERARCH ESO ISS PBLA24 END | 90.125 |
| HIERARCH ESO ISS PBL34 START | 61.177 |
| HIERARCH ESO ISS PBL34 END | 60.893 |
| HIERARCH ESO ISS PBLA34 START | 119.482 |
| HIERARCH ESO ISS PBLA34 END | 120.417 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010844 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011744 |
| HIERARCH ESO ISS AMBI TEMP | 15.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.23 |
| HIERARCH ESO ISS AMBI FWHM END | 0.23 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |