Exposure
- ID
- GRAVI.2025-08-10T02:55:27.205_1
- Header ID
- GRAVI.2025-08-10T02:55:27.205
- Date updated
- 2025-08-10 03:10:38 UTC+0000
- Release date
- 2026-08-10 03:10:37 UTC+0000
- UTC Start
- 2025-08-10 02:55:27.205
- UTC End
- 2025-08-10 03:01:27.205
- MJD Start
- 60897.12184265
- MJD End
- 60897.126009316664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028125
- Ambient temperature (°C)
- 12.23
- Seeing (arcsec)
- 0.795
Observation
- ID
- 69684
- 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
- 51748
- Name
- SGRA
- RA
- 266.417394
- DEC
- -29.00668
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.5260 | 54.3050 | 35.3000 | 35.8000 |
| U1-U3 | 97.8430 | 97.3290 | 41.6000 | 42.1000 |
| U1-U4 | 120.3060 | 119.1070 | 70.9760 | 71.5670 |
| U2-U3 | 44.0620 | 43.7660 | 49.5000 | 49.9000 |
| U2-U4 | 82.3890 | 81.5060 | 93.6720 | 94.5020 |
| U3-U4 | 59.3550 | 58.9500 | 124.8280 | 125.8920 |
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 | 60897.12184265 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417394 |
| DEC | -29.00668 |
| 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 | 54.526 |
| HIERARCH ESO ISS PBL12 END | 54.305 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 97.843 |
| HIERARCH ESO ISS PBL13 END | 97.329 |
| HIERARCH ESO ISS PBLA13 START | 41.6 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.306 |
| HIERARCH ESO ISS PBL14 END | 119.107 |
| HIERARCH ESO ISS PBLA14 START | 70.976 |
| HIERARCH ESO ISS PBLA14 END | 71.567 |
| HIERARCH ESO ISS PBL23 START | 44.062 |
| HIERARCH ESO ISS PBL23 END | 43.766 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.389 |
| HIERARCH ESO ISS PBL24 END | 81.506 |
| HIERARCH ESO ISS PBLA24 START | 93.672 |
| HIERARCH ESO ISS PBLA24 END | 94.502 |
| HIERARCH ESO ISS PBL34 START | 59.355 |
| HIERARCH ESO ISS PBL34 END | 58.95 |
| HIERARCH ESO ISS PBLA34 START | 124.828 |
| HIERARCH ESO ISS PBLA34 END | 125.892 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003086 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002539 |
| HIERARCH ESO ISS AMBI TEMP | 12.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.8 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |