Exposure
- ID
- GRAVI.2025-03-18T08:34:17.004_2
- Header ID
- GRAVI.2025-03-18T08:34:17.004
- Date updated
- 2025-03-18 08:50:38 UTC+0000
- Release date
- 2026-03-18 08:50:37 UTC+0000
- UTC Start
- 2025-03-18 08:34:17.004
- UTC End
- 2025-03-18 08:40:17.004
- MJD Start
- 60752.35714125
- MJD End
- 60752.36130791667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083705
- Ambient temperature (°C)
- 15.73
- Seeing (arcsec)
- 0.42
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.001
- 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 / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
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 | 56.3500 | 56.3710 | 9.8000 | 10.7000 |
| U1-U3 | 101.4460 | 101.5400 | 15.4000 | 16.4000 |
| U1-U4 | 122.3440 | 123.0670 | 41.5400 | 42.7000 |
| U2-U3 | 45.6990 | 45.7860 | 22.3000 | 23.3000 |
| U2-U4 | 80.1330 | 80.9940 | 63.2720 | 64.3590 |
| U3-U4 | 54.5900 | 55.3190 | 96.5690 | 97.2630 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60752.35714125 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417204 |
| DEC | -29.00783 |
| 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 | 56.35 |
| HIERARCH ESO ISS PBL12 END | 56.371 |
| HIERARCH ESO ISS PBLA12 START | 9.8 |
| HIERARCH ESO ISS PBLA12 END | 10.7 |
| HIERARCH ESO ISS PBL13 START | 101.446 |
| HIERARCH ESO ISS PBL13 END | 101.54 |
| HIERARCH ESO ISS PBLA13 START | 15.4 |
| HIERARCH ESO ISS PBLA13 END | 16.4 |
| HIERARCH ESO ISS PBL14 START | 122.344 |
| HIERARCH ESO ISS PBL14 END | 123.067 |
| HIERARCH ESO ISS PBLA14 START | 41.54 |
| HIERARCH ESO ISS PBLA14 END | 42.7 |
| HIERARCH ESO ISS PBL23 START | 45.699 |
| HIERARCH ESO ISS PBL23 END | 45.786 |
| HIERARCH ESO ISS PBLA23 START | 22.3 |
| HIERARCH ESO ISS PBLA23 END | 23.3 |
| HIERARCH ESO ISS PBL24 START | 80.133 |
| HIERARCH ESO ISS PBL24 END | 80.994 |
| HIERARCH ESO ISS PBLA24 START | 63.272 |
| HIERARCH ESO ISS PBLA24 END | 64.359 |
| HIERARCH ESO ISS PBL34 START | 54.59 |
| HIERARCH ESO ISS PBL34 END | 55.319 |
| HIERARCH ESO ISS PBLA34 START | 96.569 |
| HIERARCH ESO ISS PBLA34 END | 97.263 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008806 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007935 |
| HIERARCH ESO ISS AMBI TEMP | 15.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |