Exposure
- ID
- GRAVI.2025-07-10T04:57:55.502_2
- Header ID
- GRAVI.2025-07-10T04:57:55.502
- Date updated
- 2025-07-10 05:15:33 UTC+0000
- Release date
- 2025-07-10 04:57:55 UTC+0000
- UTC Start
- 2025-07-10 04:57:55.502
- UTC End
- 2025-07-10 05:03:55.502
- MJD Start
- 60866.20689238
- MJD End
- 60866.21105904667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0074745
- Ambient temperature (°C)
- 13.46
- Seeing (arcsec)
- 0.39
Observation
- ID
- 68251
- Category
- calibrator
- Program ID
- 115.27WT.003
- 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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 54.5080 | 54.2860 | 35.3000 | 35.8000 |
| U1-U3 | 97.8020 | 97.2850 | 41.7000 | 42.1000 |
| U1-U4 | 120.2090 | 119.0040 | 71.0240 | 71.6150 |
| U2-U3 | 44.0380 | 43.7400 | 49.5000 | 50.0000 |
| U2-U4 | 82.3170 | 81.4300 | 93.7400 | 94.5710 |
| U3-U4 | 59.3220 | 58.9150 | 124.9150 | 125.9810 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60866.20689238 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417608 |
| DEC | -29.00787 |
| 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 | 54.508 |
| HIERARCH ESO ISS PBL12 END | 54.286 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.8 |
| HIERARCH ESO ISS PBL13 START | 97.802 |
| HIERARCH ESO ISS PBL13 END | 97.285 |
| HIERARCH ESO ISS PBLA13 START | 41.7 |
| HIERARCH ESO ISS PBLA13 END | 42.1 |
| HIERARCH ESO ISS PBL14 START | 120.209 |
| HIERARCH ESO ISS PBL14 END | 119.004 |
| HIERARCH ESO ISS PBLA14 START | 71.024 |
| HIERARCH ESO ISS PBLA14 END | 71.615 |
| HIERARCH ESO ISS PBL23 START | 44.038 |
| HIERARCH ESO ISS PBL23 END | 43.74 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 50.0 |
| HIERARCH ESO ISS PBL24 START | 82.317 |
| HIERARCH ESO ISS PBL24 END | 81.43 |
| HIERARCH ESO ISS PBLA24 START | 93.74 |
| HIERARCH ESO ISS PBLA24 END | 94.571 |
| HIERARCH ESO ISS PBL34 START | 59.322 |
| HIERARCH ESO ISS PBL34 END | 58.915 |
| HIERARCH ESO ISS PBLA34 START | 124.915 |
| HIERARCH ESO ISS PBLA34 END | 125.981 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00793 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007019 |
| HIERARCH ESO ISS AMBI TEMP | 13.46 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |