Exposure
- ID
- GRAVI.2025-08-08T04:12:56.956_1
- Header ID
- GRAVI.2025-08-08T04:12:56.956
- Date updated
- 2025-08-08 04:30:48 UTC+0000
- Release date
- 2025-08-08 04:12:56 UTC+0000
- UTC Start
- 2025-08-08 04:12:56.956
- UTC End
- 2025-08-08 04:18:56.956
- MJD Start
- 60895.17565921
- MJD End
- 60895.179825876665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002476
- Ambient temperature (°C)
- 12.05
- Seeing (arcsec)
- 0.675
Observation
- ID
- 69561
- Category
- calibrator
- 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
- 51671
- Name
- R2
- RA
- 266.417549
- DEC
- -29.00738
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.3880 | 51.0120 | 39.4000 | 39.6000 |
| U1-U3 | 90.6400 | 89.7860 | 45.6000 | 45.8000 |
| U1-U4 | 103.7900 | 101.8730 | 77.0680 | 77.6110 |
| U2-U3 | 39.9360 | 39.4510 | 53.5000 | 53.8000 |
| U2-U4 | 70.5170 | 69.1840 | 103.5270 | 104.5820 |
| U3-U4 | 54.2910 | 53.7800 | 137.8230 | 139.2180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60895.17565921 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417549 |
| DEC | -29.00738 |
| 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 | 51.388 |
| HIERARCH ESO ISS PBL12 END | 51.012 |
| HIERARCH ESO ISS PBLA12 START | 39.4 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 90.64 |
| HIERARCH ESO ISS PBL13 END | 89.786 |
| HIERARCH ESO ISS PBLA13 START | 45.6 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 103.79 |
| HIERARCH ESO ISS PBL14 END | 101.873 |
| HIERARCH ESO ISS PBLA14 START | 77.068 |
| HIERARCH ESO ISS PBLA14 END | 77.611 |
| HIERARCH ESO ISS PBL23 START | 39.936 |
| HIERARCH ESO ISS PBL23 END | 39.451 |
| HIERARCH ESO ISS PBLA23 START | 53.5 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.517 |
| HIERARCH ESO ISS PBL24 END | 69.184 |
| HIERARCH ESO ISS PBLA24 START | 103.527 |
| HIERARCH ESO ISS PBLA24 END | 104.582 |
| HIERARCH ESO ISS PBL34 START | 54.291 |
| HIERARCH ESO ISS PBL34 END | 53.78 |
| HIERARCH ESO ISS PBLA34 START | 137.823 |
| HIERARCH ESO ISS PBLA34 END | 139.218 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002562 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00239 |
| HIERARCH ESO ISS AMBI TEMP | 12.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |