Exposure
- ID
- GRAVI.2025-08-07T03:31:14.255_1
- Header ID
- GRAVI.2025-08-07T03:31:14.255
- Date updated
- 2025-08-07 03:45:51 UTC+0000
- Release date
- 2026-08-07 03:45:51 UTC+0000
- UTC Start
- 2025-08-07 03:31:14.255
- UTC End
- 2025-08-07 03:37:14.255
- MJD Start
- 60894.14669277
- MJD End
- 60894.15085943667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004612
- Ambient temperature (°C)
- 13.0
- Seeing (arcsec)
- 0.94
Observation
- ID
- 69346
- 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
- 51540
- Name
- SGRA
- RA
- 266.417167
- DEC
- -29.00718
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.6340 | 53.3620 | 36.9000 | 37.3000 |
| U1-U3 | 95.7800 | 95.1520 | 43.2000 | 43.6000 |
| U1-U4 | 115.5080 | 114.0590 | 73.1380 | 73.7050 |
| U2-U3 | 42.8740 | 42.5130 | 51.1000 | 51.5000 |
| U2-U4 | 78.8740 | 77.8220 | 96.8190 | 97.6990 |
| U3-U4 | 57.7660 | 57.3040 | 128.9100 | 130.0710 |
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 | 60894.14669277 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417167 |
| DEC | -29.00718 |
| 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 | 53.634 |
| HIERARCH ESO ISS PBL12 END | 53.362 |
| HIERARCH ESO ISS PBLA12 START | 36.9 |
| HIERARCH ESO ISS PBLA12 END | 37.3 |
| HIERARCH ESO ISS PBL13 START | 95.78 |
| HIERARCH ESO ISS PBL13 END | 95.152 |
| HIERARCH ESO ISS PBLA13 START | 43.2 |
| HIERARCH ESO ISS PBLA13 END | 43.6 |
| HIERARCH ESO ISS PBL14 START | 115.508 |
| HIERARCH ESO ISS PBL14 END | 114.059 |
| HIERARCH ESO ISS PBLA14 START | 73.138 |
| HIERARCH ESO ISS PBLA14 END | 73.705 |
| HIERARCH ESO ISS PBL23 START | 42.874 |
| HIERARCH ESO ISS PBL23 END | 42.513 |
| HIERARCH ESO ISS PBLA23 START | 51.1 |
| HIERARCH ESO ISS PBLA23 END | 51.5 |
| HIERARCH ESO ISS PBL24 START | 78.874 |
| HIERARCH ESO ISS PBL24 END | 77.822 |
| HIERARCH ESO ISS PBLA24 START | 96.819 |
| HIERARCH ESO ISS PBLA24 END | 97.699 |
| HIERARCH ESO ISS PBL34 START | 57.766 |
| HIERARCH ESO ISS PBL34 END | 57.304 |
| HIERARCH ESO ISS PBLA34 START | 128.91 |
| HIERARCH ESO ISS PBLA34 END | 130.071 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004638 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004586 |
| HIERARCH ESO ISS AMBI TEMP | 13.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.95 |
| HIERARCH ESO ISS AMBI FWHM END | 0.93 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0980 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |