Exposure
- ID
- GRAVI.2025-08-07T00:34:43.806_1
- Header ID
- GRAVI.2025-08-07T00:34:43.806
- Date updated
- 2025-08-07 00:50:45 UTC+0000
- Release date
- 2026-08-07 00:50:45 UTC+0000
- UTC Start
- 2025-08-07 00:34:43.806
- UTC End
- 2025-08-07 00:40:43.806
- MJD Start
- 60894.02411812
- MJD End
- 60894.02828478667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058015
- Ambient temperature (°C)
- 14.07
- Seeing (arcsec)
- 0.92
Observation
- ID
- 69327
- Category
- science
- Program ID
- 115.27WT.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 / 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
- 51521
- Name
- SGRA
- RA
- 266.417195
- DEC
- -29.0073
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5580 | 56.5600 | 20.2000 | 21.0000 |
| U1-U3 | 102.3850 | 102.4140 | 26.4000 | 27.2000 |
| U1-U4 | 129.1790 | 129.4820 | 54.0060 | 54.8890 |
| U2-U3 | 46.5600 | 46.5940 | 33.9000 | 34.8000 |
| U2-U4 | 88.0030 | 88.3590 | 74.9580 | 75.8050 |
| U3-U4 | 61.0680 | 61.3650 | 104.9850 | 105.6950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60894.02411812 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417195 |
| DEC | -29.0073 |
| 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 | 56.558 |
| HIERARCH ESO ISS PBL12 END | 56.56 |
| HIERARCH ESO ISS PBLA12 START | 20.2 |
| HIERARCH ESO ISS PBLA12 END | 21.0 |
| HIERARCH ESO ISS PBL13 START | 102.385 |
| HIERARCH ESO ISS PBL13 END | 102.414 |
| HIERARCH ESO ISS PBLA13 START | 26.4 |
| HIERARCH ESO ISS PBLA13 END | 27.2 |
| HIERARCH ESO ISS PBL14 START | 129.179 |
| HIERARCH ESO ISS PBL14 END | 129.482 |
| HIERARCH ESO ISS PBLA14 START | 54.006 |
| HIERARCH ESO ISS PBLA14 END | 54.889 |
| HIERARCH ESO ISS PBL23 START | 46.56 |
| HIERARCH ESO ISS PBL23 END | 46.594 |
| HIERARCH ESO ISS PBLA23 START | 33.9 |
| HIERARCH ESO ISS PBLA23 END | 34.8 |
| HIERARCH ESO ISS PBL24 START | 88.003 |
| HIERARCH ESO ISS PBL24 END | 88.359 |
| HIERARCH ESO ISS PBLA24 START | 74.958 |
| HIERARCH ESO ISS PBLA24 END | 75.805 |
| HIERARCH ESO ISS PBL34 START | 61.068 |
| HIERARCH ESO ISS PBL34 END | 61.365 |
| HIERARCH ESO ISS PBLA34 START | 104.985 |
| HIERARCH ESO ISS PBLA34 END | 105.695 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006419 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005184 |
| HIERARCH ESO ISS AMBI TEMP | 14.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.91 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |