Exposure
- ID
- GRAVI.2025-03-15T09:18:49.325_2
- Header ID
- GRAVI.2025-03-15T09:18:49.325
- Date updated
- 2025-03-15 09:35:26 UTC+0000
- Release date
- 2026-03-15 09:35:26 UTC+0000
- UTC Start
- 2025-03-15 09:18:49.325
- UTC End
- 2025-03-15 09:24:49.325
- MJD Start
- 60749.38807089
- MJD End
- 60749.39223755667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0037600000000000003
- Ambient temperature (°C)
- 13.07
- Seeing (arcsec)
- 1.0
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 | 56.4580 | 56.4780 | 14.3000 | 15.1000 |
| U1-U3 | 101.9150 | 102.0010 | 20.2000 | 21.1000 |
| U1-U4 | 125.7720 | 126.3680 | 47.1440 | 48.1770 |
| U2-U3 | 46.1260 | 46.2030 | 27.4000 | 28.4000 |
| U2-U4 | 84.1370 | 84.8140 | 68.5060 | 69.4680 |
| U3-U4 | 57.9240 | 58.4760 | 100.0550 | 100.7420 |
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 | 60749.38807089 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417296 |
| DEC | -29.0077 |
| 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 | 56.458 |
| HIERARCH ESO ISS PBL12 END | 56.478 |
| HIERARCH ESO ISS PBLA12 START | 14.3 |
| HIERARCH ESO ISS PBLA12 END | 15.1 |
| HIERARCH ESO ISS PBL13 START | 101.915 |
| HIERARCH ESO ISS PBL13 END | 102.001 |
| HIERARCH ESO ISS PBLA13 START | 20.2 |
| HIERARCH ESO ISS PBLA13 END | 21.1 |
| HIERARCH ESO ISS PBL14 START | 125.772 |
| HIERARCH ESO ISS PBL14 END | 126.368 |
| HIERARCH ESO ISS PBLA14 START | 47.144 |
| HIERARCH ESO ISS PBLA14 END | 48.177 |
| HIERARCH ESO ISS PBL23 START | 46.126 |
| HIERARCH ESO ISS PBL23 END | 46.203 |
| HIERARCH ESO ISS PBLA23 START | 27.4 |
| HIERARCH ESO ISS PBLA23 END | 28.4 |
| HIERARCH ESO ISS PBL24 START | 84.137 |
| HIERARCH ESO ISS PBL24 END | 84.814 |
| HIERARCH ESO ISS PBLA24 START | 68.506 |
| HIERARCH ESO ISS PBLA24 END | 69.468 |
| HIERARCH ESO ISS PBL34 START | 57.924 |
| HIERARCH ESO ISS PBL34 END | 58.476 |
| HIERARCH ESO ISS PBLA34 START | 100.055 |
| HIERARCH ESO ISS PBLA34 END | 100.742 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003526 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003994 |
| HIERARCH ESO ISS AMBI TEMP | 13.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.98 |
| HIERARCH ESO ISS AMBI FWHM END | 1.02 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |