Exposure
- ID
- GRAVI.2025-03-16T07:28:10.286_2
- Header ID
- GRAVI.2025-03-16T07:28:10.286
- Date updated
- 2025-03-16 07:45:32 UTC+0000
- Release date
- 2026-03-16 07:45:32 UTC+0000
- UTC Start
- 2025-03-16 07:28:10.286
- UTC End
- 2025-03-16 07:34:10.286
- MJD Start
- 60750.31123016
- MJD End
- 60750.31539682666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006572
- Ambient temperature (°C)
- 13.65
- Seeing (arcsec)
- 0.655
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 | 56.2290 | 56.2280 | 359.1000 | 0.1000 |
| U1-U3 | 100.6650 | 100.6990 | 3.7000 | 4.7000 |
| U1-U4 | 113.7630 | 114.4670 | 26.2930 | 27.7730 |
| U2-U3 | 44.8370 | 44.8910 | 9.4000 | 10.6000 |
| U2-U4 | 68.7140 | 69.7700 | 48.2330 | 49.7790 |
| U3-U4 | 43.9590 | 45.0430 | 88.0050 | 88.8300 |
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 | 60750.31123016 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417528 |
| DEC | -29.00717 |
| 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 | 56.229 |
| HIERARCH ESO ISS PBL12 END | 56.228 |
| HIERARCH ESO ISS PBLA12 START | 359.1 |
| HIERARCH ESO ISS PBLA12 END | 0.1 |
| HIERARCH ESO ISS PBL13 START | 100.665 |
| HIERARCH ESO ISS PBL13 END | 100.699 |
| HIERARCH ESO ISS PBLA13 START | 3.7 |
| HIERARCH ESO ISS PBLA13 END | 4.7 |
| HIERARCH ESO ISS PBL14 START | 113.763 |
| HIERARCH ESO ISS PBL14 END | 114.467 |
| HIERARCH ESO ISS PBLA14 START | 26.293 |
| HIERARCH ESO ISS PBLA14 END | 27.773 |
| HIERARCH ESO ISS PBL23 START | 44.837 |
| HIERARCH ESO ISS PBL23 END | 44.891 |
| HIERARCH ESO ISS PBLA23 START | 9.4 |
| HIERARCH ESO ISS PBLA23 END | 10.6 |
| HIERARCH ESO ISS PBL24 START | 68.714 |
| HIERARCH ESO ISS PBL24 END | 69.77 |
| HIERARCH ESO ISS PBLA24 START | 48.233 |
| HIERARCH ESO ISS PBLA24 END | 49.779 |
| HIERARCH ESO ISS PBL34 START | 43.959 |
| HIERARCH ESO ISS PBL34 END | 45.043 |
| HIERARCH ESO ISS PBLA34 START | 88.005 |
| HIERARCH ESO ISS PBLA34 END | 88.83 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005573 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007571 |
| HIERARCH ESO ISS AMBI TEMP | 13.65 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |