Exposure
- ID
- GRAVI.2025-06-10T03:26:02.193_2
- Header ID
- GRAVI.2025-06-10T03:26:02.193
- Date updated
- 2025-06-10 03:40:39 UTC+0000
- Release date
- 2026-06-10 03:40:39 UTC+0000
- UTC Start
- 2025-06-10 03:26:02.193
- UTC End
- 2025-06-10 03:32:02.193
- MJD Start
- 60836.14308094
- MJD End
- 60836.14724760666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054955
- Ambient temperature (°C)
- 14.17
- Seeing (arcsec)
- 0.7050000000000001
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 | 56.4220 | 56.4440 | 12.8000 | 13.7000 |
| U1-U3 | 101.7640 | 101.8550 | 18.6000 | 19.6000 |
| U1-U4 | 124.7130 | 125.3580 | 45.3700 | 46.4430 |
| U2-U3 | 45.9910 | 46.0730 | 25.8000 | 26.8000 |
| U2-U4 | 82.9200 | 83.6630 | 66.8530 | 67.8520 |
| U3-U4 | 56.9250 | 57.5360 | 98.9120 | 99.5990 |
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 | 60836.14308094 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416536 |
| 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 | 56.422 |
| HIERARCH ESO ISS PBL12 END | 56.444 |
| HIERARCH ESO ISS PBLA12 START | 12.8 |
| HIERARCH ESO ISS PBLA12 END | 13.7 |
| HIERARCH ESO ISS PBL13 START | 101.764 |
| HIERARCH ESO ISS PBL13 END | 101.855 |
| HIERARCH ESO ISS PBLA13 START | 18.6 |
| HIERARCH ESO ISS PBLA13 END | 19.6 |
| HIERARCH ESO ISS PBL14 START | 124.713 |
| HIERARCH ESO ISS PBL14 END | 125.358 |
| HIERARCH ESO ISS PBLA14 START | 45.37 |
| HIERARCH ESO ISS PBLA14 END | 46.443 |
| HIERARCH ESO ISS PBL23 START | 45.991 |
| HIERARCH ESO ISS PBL23 END | 46.073 |
| HIERARCH ESO ISS PBLA23 START | 25.8 |
| HIERARCH ESO ISS PBLA23 END | 26.8 |
| HIERARCH ESO ISS PBL24 START | 82.92 |
| HIERARCH ESO ISS PBL24 END | 83.663 |
| HIERARCH ESO ISS PBLA24 START | 66.853 |
| HIERARCH ESO ISS PBLA24 END | 67.852 |
| HIERARCH ESO ISS PBL34 START | 56.925 |
| HIERARCH ESO ISS PBL34 END | 57.536 |
| HIERARCH ESO ISS PBLA34 START | 98.912 |
| HIERARCH ESO ISS PBLA34 END | 99.599 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005485 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005506 |
| HIERARCH ESO ISS AMBI TEMP | 14.17 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |