Exposure
- ID
- GRAVI.2025-08-08T01:03:29.474_1
- Header ID
- GRAVI.2025-08-08T01:03:29.474
- Date updated
- 2025-08-08 01:20:45 UTC+0000
- Release date
- 2026-08-08 01:20:45 UTC+0000
- UTC Start
- 2025-08-08 01:03:29.474
- UTC End
- 2025-08-08 01:09:29.474
- MJD Start
- 60895.04409113
- MJD End
- 60895.04825779667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003653
- Ambient temperature (°C)
- 12.48
- Seeing (arcsec)
- 0.845
Observation
- ID
- 69539
- 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
- 51649
- Name
- SGRA
- RA
- 266.416384
- DEC
- -29.00678
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5160 | 56.4900 | 24.1000 | 24.8000 |
| U1-U3 | 102.3930 | 102.3480 | 30.4000 | 31.2000 |
| U1-U4 | 130.1780 | 130.2100 | 58.2960 | 59.0950 |
| U2-U3 | 46.6360 | 46.6200 | 38.1000 | 38.8000 |
| U2-U4 | 89.2840 | 89.3820 | 79.1420 | 79.9440 |
| U3-U4 | 62.2040 | 62.3220 | 108.6580 | 109.4110 |
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 | 60895.04409113 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416384 |
| DEC | -29.00678 |
| 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 | 56.516 |
| HIERARCH ESO ISS PBL12 END | 56.49 |
| HIERARCH ESO ISS PBLA12 START | 24.1 |
| HIERARCH ESO ISS PBLA12 END | 24.8 |
| HIERARCH ESO ISS PBL13 START | 102.393 |
| HIERARCH ESO ISS PBL13 END | 102.348 |
| HIERARCH ESO ISS PBLA13 START | 30.4 |
| HIERARCH ESO ISS PBLA13 END | 31.2 |
| HIERARCH ESO ISS PBL14 START | 130.178 |
| HIERARCH ESO ISS PBL14 END | 130.21 |
| HIERARCH ESO ISS PBLA14 START | 58.296 |
| HIERARCH ESO ISS PBLA14 END | 59.095 |
| HIERARCH ESO ISS PBL23 START | 46.636 |
| HIERARCH ESO ISS PBL23 END | 46.62 |
| HIERARCH ESO ISS PBLA23 START | 38.1 |
| HIERARCH ESO ISS PBLA23 END | 38.8 |
| HIERARCH ESO ISS PBL24 START | 89.284 |
| HIERARCH ESO ISS PBL24 END | 89.382 |
| HIERARCH ESO ISS PBLA24 START | 79.142 |
| HIERARCH ESO ISS PBLA24 END | 79.944 |
| HIERARCH ESO ISS PBL34 START | 62.204 |
| HIERARCH ESO ISS PBL34 END | 62.322 |
| HIERARCH ESO ISS PBLA34 START | 108.658 |
| HIERARCH ESO ISS PBLA34 END | 109.411 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003584 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003722 |
| HIERARCH ESO ISS AMBI TEMP | 12.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.81 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |