Exposure
- ID
- GRAVI.2025-08-08T03:53:59.908_1
- Header ID
- GRAVI.2025-08-08T03:53:59.908
- Date updated
- 2025-08-08 04:10:40 UTC+0000
- Release date
- 2026-08-08 04:10:40 UTC+0000
- UTC Start
- 2025-08-08 03:53:59.908
- UTC End
- 2025-08-08 03:59:59.908
- MJD Start
- 60895.16249893
- MJD End
- 60895.16666559667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024749999999999998
- Ambient temperature (°C)
- 12.09
- Seeing (arcsec)
- 0.6950000000000001
Observation
- ID
- 69559
- Category
- science
- 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
- 51669
- Name
- SGRA
- RA
- 266.417575
- DEC
- -29.00731
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.4100 | 52.0750 | 38.5000 | 38.8000 |
| U1-U3 | 92.9690 | 92.2040 | 44.7000 | 45.0000 |
| U1-U4 | 109.0600 | 107.3230 | 75.4590 | 76.0110 |
| U2-U3 | 41.2630 | 40.8270 | 52.6000 | 53.0000 |
| U2-U4 | 74.2310 | 72.9990 | 100.5960 | 101.5700 |
| U3-U4 | 55.7790 | 55.2750 | 133.9240 | 135.2220 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60895.16249893 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417575 |
| DEC | -29.00731 |
| 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 | 52.41 |
| HIERARCH ESO ISS PBL12 END | 52.075 |
| HIERARCH ESO ISS PBLA12 START | 38.5 |
| HIERARCH ESO ISS PBLA12 END | 38.8 |
| HIERARCH ESO ISS PBL13 START | 92.969 |
| HIERARCH ESO ISS PBL13 END | 92.204 |
| HIERARCH ESO ISS PBLA13 START | 44.7 |
| HIERARCH ESO ISS PBLA13 END | 45.0 |
| HIERARCH ESO ISS PBL14 START | 109.06 |
| HIERARCH ESO ISS PBL14 END | 107.323 |
| HIERARCH ESO ISS PBLA14 START | 75.459 |
| HIERARCH ESO ISS PBLA14 END | 76.011 |
| HIERARCH ESO ISS PBL23 START | 41.263 |
| HIERARCH ESO ISS PBL23 END | 40.827 |
| HIERARCH ESO ISS PBLA23 START | 52.6 |
| HIERARCH ESO ISS PBLA23 END | 53.0 |
| HIERARCH ESO ISS PBL24 START | 74.231 |
| HIERARCH ESO ISS PBL24 END | 72.999 |
| HIERARCH ESO ISS PBLA24 START | 100.596 |
| HIERARCH ESO ISS PBLA24 END | 101.57 |
| HIERARCH ESO ISS PBL34 START | 55.779 |
| HIERARCH ESO ISS PBL34 END | 55.275 |
| HIERARCH ESO ISS PBLA34 START | 133.924 |
| HIERARCH ESO ISS PBLA34 END | 135.222 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002617 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002333 |
| HIERARCH ESO ISS AMBI TEMP | 12.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |