Exposure
- ID
- GRAVI.2025-08-06T23:45:52.681_1
- Header ID
- GRAVI.2025-08-06T23:45:52.681
- Date updated
- 2025-08-07 00:00:42 UTC+0000
- Release date
- 2025-08-06 23:45:52 UTC+0000
- UTC Start
- 2025-08-06 23:45:52.681
- UTC End
- 2025-08-06 23:51:52.681
- MJD Start
- 60893.99019307
- MJD End
- 60893.994359736666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007776
- Ambient temperature (°C)
- 14.28
- Seeing (arcsec)
- 0.79
Observation
- ID
- 69322
- 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
- 51517
- Name
- R2
- RA
- 266.417184
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4480 | 56.4690 | 13.9000 | 14.7000 |
| U1-U3 | 101.8750 | 101.9630 | 19.8000 | 20.7000 |
| U1-U4 | 125.4960 | 126.1050 | 46.6730 | 47.7160 |
| U2-U3 | 46.0910 | 46.1700 | 27.0000 | 28.0000 |
| U2-U4 | 83.8200 | 84.5160 | 68.0660 | 69.0390 |
| U3-U4 | 57.6640 | 58.2330 | 99.7470 | 100.4330 |
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 | 60893.99019307 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417184 |
| DEC | -29.00732 |
| 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 | 56.448 |
| HIERARCH ESO ISS PBL12 END | 56.469 |
| HIERARCH ESO ISS PBLA12 START | 13.9 |
| HIERARCH ESO ISS PBLA12 END | 14.7 |
| HIERARCH ESO ISS PBL13 START | 101.875 |
| HIERARCH ESO ISS PBL13 END | 101.963 |
| HIERARCH ESO ISS PBLA13 START | 19.8 |
| HIERARCH ESO ISS PBLA13 END | 20.7 |
| HIERARCH ESO ISS PBL14 START | 125.496 |
| HIERARCH ESO ISS PBL14 END | 126.105 |
| HIERARCH ESO ISS PBLA14 START | 46.673 |
| HIERARCH ESO ISS PBLA14 END | 47.716 |
| HIERARCH ESO ISS PBL23 START | 46.091 |
| HIERARCH ESO ISS PBL23 END | 46.17 |
| HIERARCH ESO ISS PBLA23 START | 27.0 |
| HIERARCH ESO ISS PBLA23 END | 28.0 |
| HIERARCH ESO ISS PBL24 START | 83.82 |
| HIERARCH ESO ISS PBL24 END | 84.516 |
| HIERARCH ESO ISS PBLA24 START | 68.066 |
| HIERARCH ESO ISS PBLA24 END | 69.039 |
| HIERARCH ESO ISS PBL34 START | 57.664 |
| HIERARCH ESO ISS PBL34 END | 58.233 |
| HIERARCH ESO ISS PBLA34 START | 99.747 |
| HIERARCH ESO ISS PBLA34 END | 100.433 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008536 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007016 |
| HIERARCH ESO ISS AMBI TEMP | 14.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.69 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |