Exposure
- ID
- GRAVI.2025-03-17T08:15:33.323_2
- Header ID
- GRAVI.2025-03-17T08:15:33.323
- Date updated
- 2025-03-17 08:30:36 UTC+0000
- Release date
- 2026-03-17 08:30:36 UTC+0000
- UTC Start
- 2025-03-17 08:15:33.323
- UTC End
- 2025-03-17 08:21:33.323
- MJD Start
- 60751.34413568
- MJD End
- 60751.34830234667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007979
- Ambient temperature (°C)
- 14.87
- Seeing (arcsec)
- 0.505
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 | 56.2850 | 56.3020 | 6.6000 | 7.5000 |
| U1-U3 | 101.1340 | 101.2190 | 11.9000 | 12.9000 |
| U1-U4 | 119.7030 | 120.4670 | 37.2580 | 38.5130 |
| U2-U3 | 45.3950 | 45.4800 | 18.5000 | 19.6000 |
| U2-U4 | 76.8820 | 77.8410 | 59.2100 | 60.4090 |
| U3-U4 | 51.7650 | 52.6110 | 94.0930 | 94.8070 |
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 | 60751.34413568 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417242 |
| DEC | -29.00786 |
| 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 | 56.285 |
| HIERARCH ESO ISS PBL12 END | 56.302 |
| HIERARCH ESO ISS PBLA12 START | 6.6 |
| HIERARCH ESO ISS PBLA12 END | 7.5 |
| HIERARCH ESO ISS PBL13 START | 101.134 |
| HIERARCH ESO ISS PBL13 END | 101.219 |
| HIERARCH ESO ISS PBLA13 START | 11.9 |
| HIERARCH ESO ISS PBLA13 END | 12.9 |
| HIERARCH ESO ISS PBL14 START | 119.703 |
| HIERARCH ESO ISS PBL14 END | 120.467 |
| HIERARCH ESO ISS PBLA14 START | 37.258 |
| HIERARCH ESO ISS PBLA14 END | 38.513 |
| HIERARCH ESO ISS PBL23 START | 45.395 |
| HIERARCH ESO ISS PBL23 END | 45.48 |
| HIERARCH ESO ISS PBLA23 START | 18.5 |
| HIERARCH ESO ISS PBLA23 END | 19.6 |
| HIERARCH ESO ISS PBL24 START | 76.882 |
| HIERARCH ESO ISS PBL24 END | 77.841 |
| HIERARCH ESO ISS PBLA24 START | 59.21 |
| HIERARCH ESO ISS PBLA24 END | 60.409 |
| HIERARCH ESO ISS PBL34 START | 51.765 |
| HIERARCH ESO ISS PBL34 END | 52.611 |
| HIERARCH ESO ISS PBLA34 START | 94.093 |
| HIERARCH ESO ISS PBLA34 END | 94.807 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008854 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007104 |
| HIERARCH ESO ISS AMBI TEMP | 14.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |