Exposure
- ID
- GRAVI.2025-08-10T00:12:44.791_1
- Header ID
- GRAVI.2025-08-10T00:12:44.791
- Date updated
- 2025-08-10 00:30:45 UTC+0000
- Release date
- 2026-08-10 00:30:45 UTC+0000
- UTC Start
- 2025-08-10 00:12:44.791
- UTC End
- 2025-08-10 00:18:44.791
- MJD Start
- 60897.00885175
- MJD End
- 60897.01301841666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003948999999999999
- Ambient temperature (°C)
- 12.78
- Seeing (arcsec)
- 0.855
Observation
- ID
- 69665
- 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
- 51729
- Name
- SGRA
- RA
- 266.416694
- DEC
- -29.00648
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5470 | 56.5550 | 18.9000 | 19.7000 |
| U1-U3 | 102.3160 | 102.3630 | 25.1000 | 25.9000 |
| U1-U4 | 128.6060 | 128.9840 | 52.5780 | 53.4900 |
| U2-U3 | 46.4910 | 46.5370 | 32.6000 | 33.4000 |
| U2-U4 | 87.3460 | 87.7770 | 73.5990 | 74.4660 |
| U3-U4 | 60.5290 | 60.8820 | 103.8770 | 104.5790 |
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 | 60897.00885175 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416694 |
| DEC | -29.00648 |
| 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 | 56.547 |
| HIERARCH ESO ISS PBL12 END | 56.555 |
| HIERARCH ESO ISS PBLA12 START | 18.9 |
| HIERARCH ESO ISS PBLA12 END | 19.7 |
| HIERARCH ESO ISS PBL13 START | 102.316 |
| HIERARCH ESO ISS PBL13 END | 102.363 |
| HIERARCH ESO ISS PBLA13 START | 25.1 |
| HIERARCH ESO ISS PBLA13 END | 25.9 |
| HIERARCH ESO ISS PBL14 START | 128.606 |
| HIERARCH ESO ISS PBL14 END | 128.984 |
| HIERARCH ESO ISS PBLA14 START | 52.578 |
| HIERARCH ESO ISS PBLA14 END | 53.49 |
| HIERARCH ESO ISS PBL23 START | 46.491 |
| HIERARCH ESO ISS PBL23 END | 46.537 |
| HIERARCH ESO ISS PBLA23 START | 32.6 |
| HIERARCH ESO ISS PBLA23 END | 33.4 |
| HIERARCH ESO ISS PBL24 START | 87.346 |
| HIERARCH ESO ISS PBL24 END | 87.777 |
| HIERARCH ESO ISS PBLA24 START | 73.599 |
| HIERARCH ESO ISS PBLA24 END | 74.466 |
| HIERARCH ESO ISS PBL34 START | 60.529 |
| HIERARCH ESO ISS PBL34 END | 60.882 |
| HIERARCH ESO ISS PBLA34 START | 103.877 |
| HIERARCH ESO ISS PBLA34 END | 104.579 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003803 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004095 |
| HIERARCH ESO ISS AMBI TEMP | 12.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.86 |
| HIERARCH ESO ISS AMBI FWHM END | 0.85 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |