Exposure
- ID
- GRAVI.2025-07-08T03:46:14.575_1
- Header ID
- GRAVI.2025-07-08T03:46:14.575
- Date updated
- 2025-07-08 04:00:35 UTC+0000
- Release date
- 2026-07-08 04:00:35 UTC+0000
- UTC Start
- 2025-07-08 03:46:14.575
- UTC End
- 2025-07-08 03:52:14.575
- MJD Start
- 60864.15711314
- MJD End
- 60864.16127980666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012761000000000002
- Ambient temperature (°C)
- 15.88
- Seeing (arcsec)
- 0.29000000000000004
Observation
- ID
- 68382
- 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
- 50817
- Name
- SGRA
- RA
- 266.416468
- DEC
- -29.00734
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2260 | 56.1490 | 28.5000 | 29.1000 |
| U1-U3 | 101.7820 | 101.6080 | 34.8000 | 35.5000 |
| U1-U4 | 129.3580 | 129.0000 | 63.0570 | 63.7610 |
| U2-U3 | 46.3270 | 46.2300 | 42.6000 | 43.2000 |
| U2-U4 | 89.0020 | 88.7610 | 84.0800 | 84.8480 |
| U3-U4 | 62.3830 | 62.2920 | 113.5580 | 114.3790 |
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 | 60864.15711314 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416468 |
| DEC | -29.00734 |
| 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 | 56.226 |
| HIERARCH ESO ISS PBL12 END | 56.149 |
| HIERARCH ESO ISS PBLA12 START | 28.5 |
| HIERARCH ESO ISS PBLA12 END | 29.1 |
| HIERARCH ESO ISS PBL13 START | 101.782 |
| HIERARCH ESO ISS PBL13 END | 101.608 |
| HIERARCH ESO ISS PBLA13 START | 34.8 |
| HIERARCH ESO ISS PBLA13 END | 35.5 |
| HIERARCH ESO ISS PBL14 START | 129.358 |
| HIERARCH ESO ISS PBL14 END | 129.0 |
| HIERARCH ESO ISS PBLA14 START | 63.057 |
| HIERARCH ESO ISS PBLA14 END | 63.761 |
| HIERARCH ESO ISS PBL23 START | 46.327 |
| HIERARCH ESO ISS PBL23 END | 46.23 |
| HIERARCH ESO ISS PBLA23 START | 42.6 |
| HIERARCH ESO ISS PBLA23 END | 43.2 |
| HIERARCH ESO ISS PBL24 START | 89.002 |
| HIERARCH ESO ISS PBL24 END | 88.761 |
| HIERARCH ESO ISS PBLA24 START | 84.08 |
| HIERARCH ESO ISS PBLA24 END | 84.848 |
| HIERARCH ESO ISS PBL34 START | 62.383 |
| HIERARCH ESO ISS PBL34 END | 62.292 |
| HIERARCH ESO ISS PBLA34 START | 113.558 |
| HIERARCH ESO ISS PBLA34 END | 114.379 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012122 |
| HIERARCH ESO ISS AMBI TEMP | 15.88 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |