Exposure
- ID
- GRAVI.2025-08-10T04:05:03.383_1
- Header ID
- GRAVI.2025-08-10T04:05:03.383
- Date updated
- 2025-08-10 04:20:37 UTC+0000
- Release date
- 2025-08-10 04:05:03 UTC+0000
- UTC Start
- 2025-08-10 04:05:03.383
- UTC End
- 2025-08-10 04:11:03.383
- MJD Start
- 60897.17017804
- MJD End
- 60897.17434470667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032059999999999996
- Ambient temperature (°C)
- 12.36
- Seeing (arcsec)
- 0.81
Observation
- ID
- 69693
- 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
- 51757
- Name
- R2
- RA
- 266.417317
- DEC
- -29.00681
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.3870 | 51.0090 | 39.4000 | 39.6000 |
| U1-U3 | 90.6380 | 89.7790 | 45.6000 | 45.8000 |
| U1-U4 | 103.7860 | 101.8580 | 77.0690 | 77.6140 |
| U2-U3 | 39.9350 | 39.4470 | 53.5000 | 53.8000 |
| U2-U4 | 70.5130 | 69.1740 | 103.5290 | 104.5900 |
| U3-U4 | 54.2890 | 53.7760 | 137.8260 | 139.2280 |
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 | 60897.17017804 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417317 |
| DEC | -29.00681 |
| 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 | 51.387 |
| HIERARCH ESO ISS PBL12 END | 51.009 |
| HIERARCH ESO ISS PBLA12 START | 39.4 |
| HIERARCH ESO ISS PBLA12 END | 39.6 |
| HIERARCH ESO ISS PBL13 START | 90.638 |
| HIERARCH ESO ISS PBL13 END | 89.779 |
| HIERARCH ESO ISS PBLA13 START | 45.6 |
| HIERARCH ESO ISS PBLA13 END | 45.8 |
| HIERARCH ESO ISS PBL14 START | 103.786 |
| HIERARCH ESO ISS PBL14 END | 101.858 |
| HIERARCH ESO ISS PBLA14 START | 77.069 |
| HIERARCH ESO ISS PBLA14 END | 77.614 |
| HIERARCH ESO ISS PBL23 START | 39.935 |
| HIERARCH ESO ISS PBL23 END | 39.447 |
| HIERARCH ESO ISS PBLA23 START | 53.5 |
| HIERARCH ESO ISS PBLA23 END | 53.8 |
| HIERARCH ESO ISS PBL24 START | 70.513 |
| HIERARCH ESO ISS PBL24 END | 69.174 |
| HIERARCH ESO ISS PBLA24 START | 103.529 |
| HIERARCH ESO ISS PBLA24 END | 104.59 |
| HIERARCH ESO ISS PBL34 START | 54.289 |
| HIERARCH ESO ISS PBL34 END | 53.776 |
| HIERARCH ESO ISS PBLA34 START | 137.826 |
| HIERARCH ESO ISS PBLA34 END | 139.228 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003191 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003221 |
| HIERARCH ESO ISS AMBI TEMP | 12.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.83 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |