Exposure
- ID
- GRAVI.2025-08-10T01:32:32.995_1
- Header ID
- GRAVI.2025-08-10T01:32:32.995
- Date updated
- 2025-08-10 01:45:45 UTC+0000
- Release date
- 2026-08-10 01:45:45 UTC+0000
- UTC Start
- 2025-08-10 01:32:32.995
- UTC End
- 2025-08-10 01:38:32.995
- MJD Start
- 60897.06427077
- MJD End
- 60897.06843743667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004591
- Ambient temperature (°C)
- 12.39
- Seeing (arcsec)
- 0.775
Observation
- ID
- 69674
- 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
- 51738
- Name
- SGRA
- RA
- 266.417344
- DEC
- -29.00636
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2680 | 56.1970 | 28.1000 | 28.7000 |
| U1-U3 | 101.8780 | 101.7170 | 34.4000 | 35.1000 |
| U1-U4 | 129.5470 | 129.2260 | 62.6250 | 63.3380 |
| U2-U3 | 46.3800 | 46.2910 | 42.2000 | 42.8000 |
| U2-U4 | 89.1230 | 88.9140 | 83.6130 | 84.3850 |
| U3-U4 | 62.4230 | 62.3510 | 113.0670 | 113.8820 |
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 | 60897.06427077 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417344 |
| DEC | -29.00636 |
| 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 | 56.268 |
| HIERARCH ESO ISS PBL12 END | 56.197 |
| HIERARCH ESO ISS PBLA12 START | 28.1 |
| HIERARCH ESO ISS PBLA12 END | 28.7 |
| HIERARCH ESO ISS PBL13 START | 101.878 |
| HIERARCH ESO ISS PBL13 END | 101.717 |
| HIERARCH ESO ISS PBLA13 START | 34.4 |
| HIERARCH ESO ISS PBLA13 END | 35.1 |
| HIERARCH ESO ISS PBL14 START | 129.547 |
| HIERARCH ESO ISS PBL14 END | 129.226 |
| HIERARCH ESO ISS PBLA14 START | 62.625 |
| HIERARCH ESO ISS PBLA14 END | 63.338 |
| HIERARCH ESO ISS PBL23 START | 46.38 |
| HIERARCH ESO ISS PBL23 END | 46.291 |
| HIERARCH ESO ISS PBLA23 START | 42.2 |
| HIERARCH ESO ISS PBLA23 END | 42.8 |
| HIERARCH ESO ISS PBL24 START | 89.123 |
| HIERARCH ESO ISS PBL24 END | 88.914 |
| HIERARCH ESO ISS PBLA24 START | 83.613 |
| HIERARCH ESO ISS PBLA24 END | 84.385 |
| HIERARCH ESO ISS PBL34 START | 62.423 |
| HIERARCH ESO ISS PBL34 END | 62.351 |
| HIERARCH ESO ISS PBLA34 START | 113.067 |
| HIERARCH ESO ISS PBLA34 END | 113.882 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004213 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004969 |
| HIERARCH ESO ISS AMBI TEMP | 12.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |