Exposure
- ID
- GRAVI.2025-03-17T08:22:54.341_2
- Header ID
- GRAVI.2025-03-17T08:22:54.341
- Date updated
- 2025-03-17 08:35:34 UTC+0000
- Release date
- 2026-03-17 08:35:34 UTC+0000
- UTC Start
- 2025-03-17 08:22:54.341
- UTC End
- 2025-03-17 08:28:54.341
- MJD Start
- 60751.34924006
- MJD End
- 60751.35340672667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008522
- Ambient temperature (°C)
- 14.83
- Seeing (arcsec)
- 0.45999999999999996
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 | 56.3040 | 56.3230 | 7.6000 | 8.5000 |
| U1-U3 | 101.2310 | 101.3200 | 13.0000 | 14.0000 |
| U1-U4 | 120.5730 | 121.3280 | 38.6850 | 39.9090 |
| U2-U3 | 45.4920 | 45.5790 | 19.8000 | 20.8000 |
| U2-U4 | 77.9730 | 78.9030 | 60.5730 | 61.7340 |
| U3-U4 | 52.7270 | 53.5360 | 94.9060 | 95.6120 |
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 | 60751.34924006 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417241 |
| 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 | 56.304 |
| HIERARCH ESO ISS PBL12 END | 56.323 |
| HIERARCH ESO ISS PBLA12 START | 7.6 |
| HIERARCH ESO ISS PBLA12 END | 8.5 |
| HIERARCH ESO ISS PBL13 START | 101.231 |
| HIERARCH ESO ISS PBL13 END | 101.32 |
| HIERARCH ESO ISS PBLA13 START | 13.0 |
| HIERARCH ESO ISS PBLA13 END | 14.0 |
| HIERARCH ESO ISS PBL14 START | 120.573 |
| HIERARCH ESO ISS PBL14 END | 121.328 |
| HIERARCH ESO ISS PBLA14 START | 38.685 |
| HIERARCH ESO ISS PBLA14 END | 39.909 |
| HIERARCH ESO ISS PBL23 START | 45.492 |
| HIERARCH ESO ISS PBL23 END | 45.579 |
| HIERARCH ESO ISS PBLA23 START | 19.8 |
| HIERARCH ESO ISS PBLA23 END | 20.8 |
| HIERARCH ESO ISS PBL24 START | 77.973 |
| HIERARCH ESO ISS PBL24 END | 78.903 |
| HIERARCH ESO ISS PBLA24 START | 60.573 |
| HIERARCH ESO ISS PBLA24 END | 61.734 |
| HIERARCH ESO ISS PBL34 START | 52.727 |
| HIERARCH ESO ISS PBL34 END | 53.536 |
| HIERARCH ESO ISS PBLA34 START | 94.906 |
| HIERARCH ESO ISS PBLA34 END | 95.612 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008068 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008976 |
| HIERARCH ESO ISS AMBI TEMP | 14.83 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| 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 |