Exposure
- ID
- GRAVI.2025-03-16T09:55:01.660_2
- Header ID
- GRAVI.2025-03-16T09:55:01.660
- Date updated
- 2025-03-16 10:10:27 UTC+0000
- Release date
- 2026-03-16 10:10:26 UTC+0000
- UTC Start
- 2025-03-16 09:55:01.660
- UTC End
- 2025-03-16 10:01:01.660
- MJD Start
- 60750.41321366
- MJD End
- 60750.41738032667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004767
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.92
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 | 56.5530 | 56.5580 | 19.5000 | 20.3000 |
| U1-U3 | 102.3490 | 102.3880 | 25.6000 | 26.5000 |
| U1-U4 | 128.8650 | 129.2110 | 53.1920 | 54.0910 |
| U2-U3 | 46.5230 | 46.5640 | 33.2000 | 34.0000 |
| U2-U4 | 87.6410 | 88.0400 | 74.1820 | 75.0390 |
| U3-U4 | 60.7700 | 61.0990 | 104.3470 | 105.0510 |
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 | 60750.41321366 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417568 |
| DEC | -29.00722 |
| 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 | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.5 |
| HIERARCH ESO ISS PBLA12 END | 20.3 |
| HIERARCH ESO ISS PBL13 START | 102.349 |
| HIERARCH ESO ISS PBL13 END | 102.388 |
| HIERARCH ESO ISS PBLA13 START | 25.6 |
| HIERARCH ESO ISS PBLA13 END | 26.5 |
| HIERARCH ESO ISS PBL14 START | 128.865 |
| HIERARCH ESO ISS PBL14 END | 129.211 |
| HIERARCH ESO ISS PBLA14 START | 53.192 |
| HIERARCH ESO ISS PBLA14 END | 54.091 |
| HIERARCH ESO ISS PBL23 START | 46.523 |
| HIERARCH ESO ISS PBL23 END | 46.564 |
| HIERARCH ESO ISS PBLA23 START | 33.2 |
| HIERARCH ESO ISS PBLA23 END | 34.0 |
| HIERARCH ESO ISS PBL24 START | 87.641 |
| HIERARCH ESO ISS PBL24 END | 88.04 |
| HIERARCH ESO ISS PBLA24 START | 74.182 |
| HIERARCH ESO ISS PBLA24 END | 75.039 |
| HIERARCH ESO ISS PBL34 START | 60.77 |
| HIERARCH ESO ISS PBL34 END | 61.099 |
| HIERARCH ESO ISS PBLA34 START | 104.347 |
| HIERARCH ESO ISS PBLA34 END | 105.051 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004767 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004767 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.92 |
| HIERARCH ESO ISS AMBI FWHM END | 0.92 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |