Exposure
- ID
- GRAVI.2025-03-16T09:11:34.550_2
- Header ID
- GRAVI.2025-03-16T09:11:34.550
- Date updated
- 2025-03-16 09:25:38 UTC+0000
- Release date
- 2026-03-16 09:25:38 UTC+0000
- UTC Start
- 2025-03-16 09:11:34.550
- UTC End
- 2025-03-16 09:17:34.550
- MJD Start
- 60750.38303877
- MJD End
- 60750.387205436666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0068385
- Ambient temperature (°C)
- 13.46
- Seeing (arcsec)
- 0.665
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 | 56.4470 | 56.4670 | 13.8000 | 14.7000 |
| U1-U3 | 101.8690 | 101.9570 | 19.7000 | 20.6000 |
| U1-U4 | 125.4540 | 126.0650 | 46.6020 | 47.6470 |
| U2-U3 | 46.0850 | 46.1640 | 26.9000 | 27.9000 |
| U2-U4 | 83.7730 | 84.4700 | 68.0010 | 68.9740 |
| U3-U4 | 57.6260 | 58.1960 | 99.7010 | 100.3870 |
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 | 60750.38303877 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417544 |
| 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 | 56.447 |
| HIERARCH ESO ISS PBL12 END | 56.467 |
| HIERARCH ESO ISS PBLA12 START | 13.8 |
| HIERARCH ESO ISS PBLA12 END | 14.7 |
| HIERARCH ESO ISS PBL13 START | 101.869 |
| HIERARCH ESO ISS PBL13 END | 101.957 |
| HIERARCH ESO ISS PBLA13 START | 19.7 |
| HIERARCH ESO ISS PBLA13 END | 20.6 |
| HIERARCH ESO ISS PBL14 START | 125.454 |
| HIERARCH ESO ISS PBL14 END | 126.065 |
| HIERARCH ESO ISS PBLA14 START | 46.602 |
| HIERARCH ESO ISS PBLA14 END | 47.647 |
| HIERARCH ESO ISS PBL23 START | 46.085 |
| HIERARCH ESO ISS PBL23 END | 46.164 |
| HIERARCH ESO ISS PBLA23 START | 26.9 |
| HIERARCH ESO ISS PBLA23 END | 27.9 |
| HIERARCH ESO ISS PBL24 START | 83.773 |
| HIERARCH ESO ISS PBL24 END | 84.47 |
| HIERARCH ESO ISS PBLA24 START | 68.001 |
| HIERARCH ESO ISS PBLA24 END | 68.974 |
| HIERARCH ESO ISS PBL34 START | 57.626 |
| HIERARCH ESO ISS PBL34 END | 58.196 |
| HIERARCH ESO ISS PBLA34 START | 99.701 |
| HIERARCH ESO ISS PBLA34 END | 100.387 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006083 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007594 |
| HIERARCH ESO ISS AMBI TEMP | 13.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |