Exposure
- ID
- GRAVI.2025-08-07T01:32:58.954_1
- Header ID
- GRAVI.2025-08-07T01:32:58.954
- Date updated
- 2025-08-07 01:50:51 UTC+0000
- Release date
- 2026-08-07 01:50:51 UTC+0000
- UTC Start
- 2025-08-07 01:32:58.954
- UTC End
- 2025-08-07 01:38:58.954
- MJD Start
- 60894.06457123
- MJD End
- 60894.06873789667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003371
- Ambient temperature (°C)
- 13.88
- Seeing (arcsec)
- 1.355
Observation
- ID
- 69333
- 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
- 51527
- Name
- SGRA
- RA
- 266.417181
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3720 | 56.3170 | 26.9000 | 27.6000 |
| U1-U3 | 102.1060 | 101.9850 | 33.3000 | 33.9000 |
| U1-U4 | 129.9550 | 129.7480 | 61.3450 | 62.0770 |
| U2-U3 | 46.5020 | 46.4380 | 41.0000 | 41.7000 |
| U2-U4 | 89.3590 | 89.2460 | 82.2560 | 83.0280 |
| U3-U4 | 62.4710 | 62.4560 | 111.6740 | 112.4600 |
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 | 60894.06457123 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417181 |
| DEC | -29.00727 |
| 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 | 56.372 |
| HIERARCH ESO ISS PBL12 END | 56.317 |
| HIERARCH ESO ISS PBLA12 START | 26.9 |
| HIERARCH ESO ISS PBLA12 END | 27.6 |
| HIERARCH ESO ISS PBL13 START | 102.106 |
| HIERARCH ESO ISS PBL13 END | 101.985 |
| HIERARCH ESO ISS PBLA13 START | 33.3 |
| HIERARCH ESO ISS PBLA13 END | 33.9 |
| HIERARCH ESO ISS PBL14 START | 129.955 |
| HIERARCH ESO ISS PBL14 END | 129.748 |
| HIERARCH ESO ISS PBLA14 START | 61.345 |
| HIERARCH ESO ISS PBLA14 END | 62.077 |
| HIERARCH ESO ISS PBL23 START | 46.502 |
| HIERARCH ESO ISS PBL23 END | 46.438 |
| HIERARCH ESO ISS PBLA23 START | 41.0 |
| HIERARCH ESO ISS PBLA23 END | 41.7 |
| HIERARCH ESO ISS PBL24 START | 89.359 |
| HIERARCH ESO ISS PBL24 END | 89.246 |
| HIERARCH ESO ISS PBLA24 START | 82.256 |
| HIERARCH ESO ISS PBLA24 END | 83.028 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.456 |
| HIERARCH ESO ISS PBLA34 START | 111.674 |
| HIERARCH ESO ISS PBLA34 END | 112.46 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003627 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003115 |
| HIERARCH ESO ISS AMBI TEMP | 13.88 |
| HIERARCH ESO ISS AMBI FWHM START | 1.41 |
| HIERARCH ESO ISS AMBI FWHM END | 1.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |