Exposure
- ID
- GRAVI.2025-03-16T09:18:49.568_2
- Header ID
- GRAVI.2025-03-16T09:18:49.568
- Date updated
- 2025-03-16 09:30:39 UTC+0000
- Release date
- 2026-03-16 09:30:39 UTC+0000
- UTC Start
- 2025-03-16 09:18:49.568
- UTC End
- 2025-03-16 09:24:49.568
- MJD Start
- 60750.3880737
- MJD End
- 60750.392240366666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00758
- Ambient temperature (°C)
- 13.5
- Seeing (arcsec)
- 0.555
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 | 56.4700 | 56.4900 | 14.8000 | 15.7000 |
| U1-U3 | 101.9680 | 102.0510 | 20.7000 | 21.7000 |
| U1-U4 | 126.1420 | 126.7160 | 47.7800 | 48.7980 |
| U2-U3 | 46.1740 | 46.2490 | 28.0000 | 29.0000 |
| U2-U4 | 84.5580 | 85.2100 | 69.0980 | 70.0480 |
| U3-U4 | 58.2670 | 58.7970 | 100.4760 | 101.1630 |
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 | 60750.3880737 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417538 |
| DEC | -29.0072 |
| 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 | 56.47 |
| HIERARCH ESO ISS PBL12 END | 56.49 |
| HIERARCH ESO ISS PBLA12 START | 14.8 |
| HIERARCH ESO ISS PBLA12 END | 15.7 |
| HIERARCH ESO ISS PBL13 START | 101.968 |
| HIERARCH ESO ISS PBL13 END | 102.051 |
| HIERARCH ESO ISS PBLA13 START | 20.7 |
| HIERARCH ESO ISS PBLA13 END | 21.7 |
| HIERARCH ESO ISS PBL14 START | 126.142 |
| HIERARCH ESO ISS PBL14 END | 126.716 |
| HIERARCH ESO ISS PBLA14 START | 47.78 |
| HIERARCH ESO ISS PBLA14 END | 48.798 |
| HIERARCH ESO ISS PBL23 START | 46.174 |
| HIERARCH ESO ISS PBL23 END | 46.249 |
| HIERARCH ESO ISS PBLA23 START | 28.0 |
| HIERARCH ESO ISS PBLA23 END | 29.0 |
| HIERARCH ESO ISS PBL24 START | 84.558 |
| HIERARCH ESO ISS PBL24 END | 85.21 |
| HIERARCH ESO ISS PBLA24 START | 69.098 |
| HIERARCH ESO ISS PBLA24 END | 70.048 |
| HIERARCH ESO ISS PBL34 START | 58.267 |
| HIERARCH ESO ISS PBL34 END | 58.797 |
| HIERARCH ESO ISS PBLA34 START | 100.476 |
| HIERARCH ESO ISS PBLA34 END | 101.163 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007594 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007566 |
| HIERARCH ESO ISS AMBI TEMP | 13.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |