Exposure
- ID
- GRAVI.2025-03-16T08:56:43.512_2
- Header ID
- GRAVI.2025-03-16T08:56:43.512
- Date updated
- 2025-03-16 09:10:39 UTC+0000
- Release date
- 2026-03-16 09:10:39 UTC+0000
- UTC Start
- 2025-03-16 08:56:43.512
- UTC End
- 2025-03-16 09:02:43.512
- MJD Start
- 60750.37272583
- MJD End
- 60750.376892496664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007531
- Ambient temperature (°C)
- 13.48
- Seeing (arcsec)
- 0.685
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 | 56.3970 | 56.4190 | 11.8000 | 12.7000 |
| U1-U3 | 101.6570 | 101.7500 | 17.5000 | 18.5000 |
| U1-U4 | 123.9400 | 124.6160 | 44.1080 | 45.2090 |
| U2-U3 | 45.8940 | 45.9790 | 24.6000 | 25.6000 |
| U2-U4 | 82.0220 | 82.8080 | 65.6760 | 66.7030 |
| U3-U4 | 56.1810 | 56.8320 | 98.1220 | 98.8100 |
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 | 60750.37272583 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417564 |
| DEC | -29.00723 |
| 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 | 56.397 |
| HIERARCH ESO ISS PBL12 END | 56.419 |
| HIERARCH ESO ISS PBLA12 START | 11.8 |
| HIERARCH ESO ISS PBLA12 END | 12.7 |
| HIERARCH ESO ISS PBL13 START | 101.657 |
| HIERARCH ESO ISS PBL13 END | 101.75 |
| HIERARCH ESO ISS PBLA13 START | 17.5 |
| HIERARCH ESO ISS PBLA13 END | 18.5 |
| HIERARCH ESO ISS PBL14 START | 123.94 |
| HIERARCH ESO ISS PBL14 END | 124.616 |
| HIERARCH ESO ISS PBLA14 START | 44.108 |
| HIERARCH ESO ISS PBLA14 END | 45.209 |
| HIERARCH ESO ISS PBL23 START | 45.894 |
| HIERARCH ESO ISS PBL23 END | 45.979 |
| HIERARCH ESO ISS PBLA23 START | 24.6 |
| HIERARCH ESO ISS PBLA23 END | 25.6 |
| HIERARCH ESO ISS PBL24 START | 82.022 |
| HIERARCH ESO ISS PBL24 END | 82.808 |
| HIERARCH ESO ISS PBLA24 START | 65.676 |
| HIERARCH ESO ISS PBLA24 END | 66.703 |
| HIERARCH ESO ISS PBL34 START | 56.181 |
| HIERARCH ESO ISS PBL34 END | 56.832 |
| HIERARCH ESO ISS PBLA34 START | 98.122 |
| HIERARCH ESO ISS PBLA34 END | 98.81 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007368 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007694 |
| HIERARCH ESO ISS AMBI TEMP | 13.48 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |