Exposure
- ID
- GRAVI.2025-08-07T04:16:11.370_1
- Header ID
- GRAVI.2025-08-07T04:16:11.370
- Date updated
- 2025-08-07 04:30:48 UTC+0000
- Release date
- 2025-08-07 04:16:11 UTC+0000
- UTC Start
- 2025-08-07 04:16:11.370
- UTC End
- 2025-08-07 04:22:11.370
- MJD Start
- 60894.17790937
- MJD End
- 60894.18207603667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004588
- Ambient temperature (°C)
- 13.02
- Seeing (arcsec)
- 0.855
Observation
- ID
- 69352
- 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
- 51546
- Name
- R2
- RA
- 266.417164
- DEC
- -29.00721
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.4270 | 51.0500 | 39.3000 | 39.6000 |
| U1-U3 | 90.7270 | 89.8720 | 45.5000 | 45.8000 |
| U1-U4 | 103.9870 | 102.0660 | 77.0110 | 77.5560 |
| U2-U3 | 39.9860 | 39.5000 | 53.5000 | 53.8000 |
| U2-U4 | 70.6540 | 69.3180 | 103.4180 | 104.4750 |
| U3-U4 | 54.3440 | 53.8310 | 137.6790 | 139.0770 |
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 | 60894.17790937 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417164 |
| DEC | -29.00721 |
| 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 | 51.427 |
| HIERARCH ESO ISS PBL12 END | 51.05 |
| HIERARCH ESO ISS PBLA12 START | 39.3 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 90.727 |
| HIERARCH ESO ISS PBL13 END | 89.872 |
| HIERARCH ESO ISS PBLA13 START | 45.5 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 103.987 |
| HIERARCH ESO ISS PBL14 END | 102.066 |
| HIERARCH ESO ISS PBLA14 START | 77.011 |
| HIERARCH ESO ISS PBLA14 END | 77.556 |
| HIERARCH ESO ISS PBL23 START | 39.986 |
| HIERARCH ESO ISS PBL23 END | 39.5 |
| HIERARCH ESO ISS PBLA23 START | 53.5 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.654 |
| HIERARCH ESO ISS PBL24 END | 69.318 |
| HIERARCH ESO ISS PBLA24 START | 103.418 |
| HIERARCH ESO ISS PBLA24 END | 104.475 |
| HIERARCH ESO ISS PBL34 START | 54.344 |
| HIERARCH ESO ISS PBL34 END | 53.831 |
| HIERARCH ESO ISS PBLA34 START | 137.679 |
| HIERARCH ESO ISS PBLA34 END | 139.077 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004555 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004621 |
| HIERARCH ESO ISS AMBI TEMP | 13.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |