Exposure
- ID
- GRAVI.2025-08-08T04:01:05.926_1
- Header ID
- GRAVI.2025-08-08T04:01:05.926
- Date updated
- 2025-08-08 04:20:43 UTC+0000
- Release date
- 2026-08-08 04:20:43 UTC+0000
- UTC Start
- 2025-08-08 04:01:05.926
- UTC End
- 2025-08-08 04:07:05.926
- MJD Start
- 60895.1674297
- MJD End
- 60895.171596366665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025830000000000002
- Ambient temperature (°C)
- 11.94
- Seeing (arcsec)
- 0.665
Observation
- ID
- 69560
- 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
- 51670
- Name
- SGRA
- RA
- 266.417562
- DEC
- -29.00733
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.0420 | 51.6910 | 38.8000 | 39.1000 |
| U1-U3 | 92.1280 | 91.3280 | 45.0000 | 45.3000 |
| U1-U4 | 107.1500 | 105.3410 | 76.0650 | 76.6150 |
| U2-U3 | 40.7830 | 40.3280 | 53.0000 | 53.3000 |
| U2-U4 | 72.8760 | 71.6020 | 101.6670 | 102.6710 |
| U3-U4 | 55.2260 | 54.7160 | 135.3510 | 136.6870 |
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 | 60895.1674297 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417562 |
| DEC | -29.00733 |
| 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 | 52.042 |
| HIERARCH ESO ISS PBL12 END | 51.691 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 92.128 |
| HIERARCH ESO ISS PBL13 END | 91.328 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.15 |
| HIERARCH ESO ISS PBL14 END | 105.341 |
| HIERARCH ESO ISS PBLA14 START | 76.065 |
| HIERARCH ESO ISS PBLA14 END | 76.615 |
| HIERARCH ESO ISS PBL23 START | 40.783 |
| HIERARCH ESO ISS PBL23 END | 40.328 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 72.876 |
| HIERARCH ESO ISS PBL24 END | 71.602 |
| HIERARCH ESO ISS PBLA24 START | 101.667 |
| HIERARCH ESO ISS PBLA24 END | 102.671 |
| HIERARCH ESO ISS PBL34 START | 55.226 |
| HIERARCH ESO ISS PBL34 END | 54.716 |
| HIERARCH ESO ISS PBLA34 START | 135.351 |
| HIERARCH ESO ISS PBLA34 END | 136.687 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002333 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002833 |
| HIERARCH ESO ISS AMBI TEMP | 11.94 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |