Exposure
- ID
- GRAVI.2025-08-07T00:56:16.860_1
- Header ID
- GRAVI.2025-08-07T00:56:16.860
- Date updated
- 2025-08-07 01:10:47 UTC+0000
- Release date
- 2026-08-07 01:10:47 UTC+0000
- UTC Start
- 2025-08-07 00:56:16.860
- UTC End
- 2025-08-07 01:02:16.860
- MJD Start
- 60894.03908403
- MJD End
- 60894.04325069667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041605
- Ambient temperature (°C)
- 13.82
- Seeing (arcsec)
- 1.01
Observation
- ID
- 69329
- 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
- 51523
- Name
- SGRA
- RA
- 266.4172
- DEC
- -29.00728
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5450 | 56.5300 | 22.8000 | 23.5000 |
| U1-U3 | 102.4310 | 102.4150 | 29.1000 | 29.8000 |
| U1-U4 | 129.9910 | 130.1200 | 56.8790 | 57.7030 |
| U2-U3 | 46.6380 | 46.6410 | 36.7000 | 37.5000 |
| U2-U4 | 88.9940 | 89.1810 | 77.7390 | 78.5520 |
| U3-U4 | 61.9190 | 62.0970 | 107.3800 | 108.1140 |
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 | 60894.03908403 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.4172 |
| DEC | -29.00728 |
| 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 | 56.545 |
| HIERARCH ESO ISS PBL12 END | 56.53 |
| HIERARCH ESO ISS PBLA12 START | 22.8 |
| HIERARCH ESO ISS PBLA12 END | 23.5 |
| HIERARCH ESO ISS PBL13 START | 102.431 |
| HIERARCH ESO ISS PBL13 END | 102.415 |
| HIERARCH ESO ISS PBLA13 START | 29.1 |
| HIERARCH ESO ISS PBLA13 END | 29.8 |
| HIERARCH ESO ISS PBL14 START | 129.991 |
| HIERARCH ESO ISS PBL14 END | 130.12 |
| HIERARCH ESO ISS PBLA14 START | 56.879 |
| HIERARCH ESO ISS PBLA14 END | 57.703 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 36.7 |
| HIERARCH ESO ISS PBLA23 END | 37.5 |
| HIERARCH ESO ISS PBL24 START | 88.994 |
| HIERARCH ESO ISS PBL24 END | 89.181 |
| HIERARCH ESO ISS PBLA24 START | 77.739 |
| HIERARCH ESO ISS PBLA24 END | 78.552 |
| HIERARCH ESO ISS PBL34 START | 61.919 |
| HIERARCH ESO ISS PBL34 END | 62.097 |
| HIERARCH ESO ISS PBLA34 START | 107.38 |
| HIERARCH ESO ISS PBLA34 END | 108.114 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004484 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003837 |
| HIERARCH ESO ISS AMBI TEMP | 13.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.96 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |