Exposure
- ID
- GRAVI.2025-08-08T02:45:05.732_1
- Header ID
- GRAVI.2025-08-08T02:45:05.732
- Date updated
- 2025-08-08 03:00:40 UTC+0000
- Release date
- 2026-08-08 03:00:40 UTC+0000
- UTC Start
- 2025-08-08 02:45:05.732
- UTC End
- 2025-08-08 02:51:05.732
- MJD Start
- 60895.11464968
- MJD End
- 60895.118816346665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002051
- Ambient temperature (°C)
- 13.0
- Seeing (arcsec)
- 0.995
Observation
- ID
- 69551
- 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
- 51661
- Name
- SGRA
- RA
- 266.417568
- DEC
- -29.007
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.0790 | 54.8950 | 33.9000 | 34.4000 |
| U1-U3 | 99.1280 | 98.7000 | 40.3000 | 40.8000 |
| U1-U4 | 123.3140 | 122.3120 | 69.2690 | 69.8810 |
| U2-U3 | 44.8040 | 44.5570 | 48.1000 | 48.6000 |
| U2-U4 | 84.6120 | 83.8700 | 91.3870 | 92.1890 |
| U3-U4 | 60.3890 | 60.0420 | 121.9580 | 122.9540 |
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 | 60895.11464968 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417568 |
| DEC | -29.007 |
| 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 | 55.079 |
| HIERARCH ESO ISS PBL12 END | 54.895 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 34.4 |
| HIERARCH ESO ISS PBL13 START | 99.128 |
| HIERARCH ESO ISS PBL13 END | 98.7 |
| HIERARCH ESO ISS PBLA13 START | 40.3 |
| HIERARCH ESO ISS PBLA13 END | 40.8 |
| HIERARCH ESO ISS PBL14 START | 123.314 |
| HIERARCH ESO ISS PBL14 END | 122.312 |
| HIERARCH ESO ISS PBLA14 START | 69.269 |
| HIERARCH ESO ISS PBLA14 END | 69.881 |
| HIERARCH ESO ISS PBL23 START | 44.804 |
| HIERARCH ESO ISS PBL23 END | 44.557 |
| HIERARCH ESO ISS PBLA23 START | 48.1 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 84.612 |
| HIERARCH ESO ISS PBL24 END | 83.87 |
| HIERARCH ESO ISS PBLA24 START | 91.387 |
| HIERARCH ESO ISS PBLA24 END | 92.189 |
| HIERARCH ESO ISS PBL34 START | 60.389 |
| HIERARCH ESO ISS PBL34 END | 60.042 |
| HIERARCH ESO ISS PBLA34 START | 121.958 |
| HIERARCH ESO ISS PBLA34 END | 122.954 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002007 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002095 |
| HIERARCH ESO ISS AMBI TEMP | 13.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.98 |
| HIERARCH ESO ISS AMBI FWHM END | 1.01 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |