Exposure
- ID
- GRAVI.2025-06-10T06:08:35.608_2
- Header ID
- GRAVI.2025-06-10T06:08:35.608
- Date updated
- 2025-06-10 06:25:40 UTC+0000
- Release date
- 2026-06-10 06:25:40 UTC+0000
- UTC Start
- 2025-06-10 06:08:35.608
- UTC End
- 2025-06-10 06:14:35.608
- MJD Start
- 60836.25596768
- MJD End
- 60836.26013434667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0058005
- Ambient temperature (°C)
- 12.84
- Seeing (arcsec)
- 0.945
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.7410 | 55.6120 | 31.5000 | 32.1000 |
| U1-U3 | 100.6680 | 100.3660 | 37.9000 | 38.5000 |
| U1-U4 | 126.9020 | 126.2060 | 66.4690 | 67.1200 |
| U2-U3 | 45.6930 | 45.5200 | 45.7000 | 46.3000 |
| U2-U4 | 87.2600 | 86.7490 | 87.9300 | 88.7060 |
| U3-U4 | 61.6290 | 61.3920 | 117.8220 | 118.7260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.25596768 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416868 |
| DEC | -29.0074 |
| 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 | 55.741 |
| HIERARCH ESO ISS PBL12 END | 55.612 |
| HIERARCH ESO ISS PBLA12 START | 31.5 |
| HIERARCH ESO ISS PBLA12 END | 32.1 |
| HIERARCH ESO ISS PBL13 START | 100.668 |
| HIERARCH ESO ISS PBL13 END | 100.366 |
| HIERARCH ESO ISS PBLA13 START | 37.9 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 126.902 |
| HIERARCH ESO ISS PBL14 END | 126.206 |
| HIERARCH ESO ISS PBLA14 START | 66.469 |
| HIERARCH ESO ISS PBLA14 END | 67.12 |
| HIERARCH ESO ISS PBL23 START | 45.693 |
| HIERARCH ESO ISS PBL23 END | 45.52 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 87.26 |
| HIERARCH ESO ISS PBL24 END | 86.749 |
| HIERARCH ESO ISS PBLA24 START | 87.93 |
| HIERARCH ESO ISS PBLA24 END | 88.706 |
| HIERARCH ESO ISS PBL34 START | 61.629 |
| HIERARCH ESO ISS PBL34 END | 61.392 |
| HIERARCH ESO ISS PBLA34 START | 117.822 |
| HIERARCH ESO ISS PBLA34 END | 118.726 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005084 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006517 |
| HIERARCH ESO ISS AMBI TEMP | 12.84 |
| HIERARCH ESO ISS AMBI FWHM START | 1.2 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |