Exposure
- ID
- GRAVI.2025-06-10T03:33:26.212_2
- Header ID
- GRAVI.2025-06-10T03:33:26.212
- Date updated
- 2025-06-10 03:50:45 UTC+0000
- Release date
- 2026-06-10 03:50:44 UTC+0000
- UTC Start
- 2025-06-10 03:33:26.212
- UTC End
- 2025-06-10 03:39:26.212
- MJD Start
- 60836.14822005
- MJD End
- 60836.15238671667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0059365
- Ambient temperature (°C)
- 14.17
- Seeing (arcsec)
- 0.6950000000000001
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 | 56.4470 | 56.4670 | 13.8000 | 14.7000 |
| U1-U3 | 101.8680 | 101.9560 | 19.7000 | 20.6000 |
| U1-U4 | 125.4490 | 126.0570 | 46.5950 | 47.6350 |
| U2-U3 | 46.0850 | 46.1630 | 26.9000 | 27.9000 |
| U2-U4 | 83.7670 | 84.4620 | 67.9950 | 68.9640 |
| U3-U4 | 57.6210 | 58.1890 | 99.6980 | 100.3800 |
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 | 60836.14822005 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416537 |
| DEC | -29.00738 |
| 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 | 56.447 |
| HIERARCH ESO ISS PBL12 END | 56.467 |
| HIERARCH ESO ISS PBLA12 START | 13.8 |
| HIERARCH ESO ISS PBLA12 END | 14.7 |
| HIERARCH ESO ISS PBL13 START | 101.868 |
| HIERARCH ESO ISS PBL13 END | 101.956 |
| HIERARCH ESO ISS PBLA13 START | 19.7 |
| HIERARCH ESO ISS PBLA13 END | 20.6 |
| HIERARCH ESO ISS PBL14 START | 125.449 |
| HIERARCH ESO ISS PBL14 END | 126.057 |
| HIERARCH ESO ISS PBLA14 START | 46.595 |
| HIERARCH ESO ISS PBLA14 END | 47.635 |
| HIERARCH ESO ISS PBL23 START | 46.085 |
| HIERARCH ESO ISS PBL23 END | 46.163 |
| HIERARCH ESO ISS PBLA23 START | 26.9 |
| HIERARCH ESO ISS PBLA23 END | 27.9 |
| HIERARCH ESO ISS PBL24 START | 83.767 |
| HIERARCH ESO ISS PBL24 END | 84.462 |
| HIERARCH ESO ISS PBLA24 START | 67.995 |
| HIERARCH ESO ISS PBLA24 END | 68.964 |
| HIERARCH ESO ISS PBL34 START | 57.621 |
| HIERARCH ESO ISS PBL34 END | 58.189 |
| HIERARCH ESO ISS PBLA34 START | 99.698 |
| HIERARCH ESO ISS PBLA34 END | 100.38 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005301 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006572 |
| HIERARCH ESO ISS AMBI TEMP | 14.17 |
| HIERARCH ESO ISS AMBI FWHM START | 0.8 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |