Exposure
- ID
- GRAVI.2025-08-09T23:18:47.654_1
- Header ID
- GRAVI.2025-08-09T23:18:47.654
- Date updated
- 2025-08-09 23:30:37 UTC+0000
- Release date
- 2025-08-09 23:18:47 UTC+0000
- UTC Start
- 2025-08-09 23:18:47.654
- UTC End
- 2025-08-09 23:24:47.654
- MJD Start
- 60896.97138488
- MJD End
- 60896.97555154667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039334999999999995
- Ambient temperature (°C)
- 12.9
- Seeing (arcsec)
- 0.85
Observation
- ID
- 69659
- 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
- 51723
- Name
- R2
- RA
- 266.416693
- DEC
- -29.00648
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3980 | 56.4190 | 11.8000 | 12.7000 |
| U1-U3 | 101.6580 | 101.7510 | 17.6000 | 18.5000 |
| U1-U4 | 123.9470 | 124.6220 | 44.1160 | 45.2180 |
| U2-U3 | 45.8950 | 45.9800 | 24.6000 | 25.6000 |
| U2-U4 | 82.0290 | 82.8140 | 65.6830 | 66.7110 |
| U3-U4 | 56.1860 | 56.8370 | 98.1270 | 98.8150 |
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 | 60896.97138488 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416693 |
| DEC | -29.00648 |
| 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 | 56.398 |
| HIERARCH ESO ISS PBL12 END | 56.419 |
| HIERARCH ESO ISS PBLA12 START | 11.8 |
| HIERARCH ESO ISS PBLA12 END | 12.7 |
| HIERARCH ESO ISS PBL13 START | 101.658 |
| HIERARCH ESO ISS PBL13 END | 101.751 |
| HIERARCH ESO ISS PBLA13 START | 17.6 |
| HIERARCH ESO ISS PBLA13 END | 18.5 |
| HIERARCH ESO ISS PBL14 START | 123.947 |
| HIERARCH ESO ISS PBL14 END | 124.622 |
| HIERARCH ESO ISS PBLA14 START | 44.116 |
| HIERARCH ESO ISS PBLA14 END | 45.218 |
| HIERARCH ESO ISS PBL23 START | 45.895 |
| HIERARCH ESO ISS PBL23 END | 45.98 |
| HIERARCH ESO ISS PBLA23 START | 24.6 |
| HIERARCH ESO ISS PBLA23 END | 25.6 |
| HIERARCH ESO ISS PBL24 START | 82.029 |
| HIERARCH ESO ISS PBL24 END | 82.814 |
| HIERARCH ESO ISS PBLA24 START | 65.683 |
| HIERARCH ESO ISS PBLA24 END | 66.711 |
| HIERARCH ESO ISS PBL34 START | 56.186 |
| HIERARCH ESO ISS PBL34 END | 56.837 |
| HIERARCH ESO ISS PBLA34 START | 98.127 |
| HIERARCH ESO ISS PBLA34 END | 98.815 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004284 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003583 |
| HIERARCH ESO ISS AMBI TEMP | 12.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |