Exposure
- ID
- GRAVI.2025-05-13T07:15:28.848_2
- Header ID
- GRAVI.2025-05-13T07:15:28.848
- Date updated
- 2025-05-13 07:30:48 UTC+0000
- Release date
- 2026-05-13 07:30:47 UTC+0000
- UTC Start
- 2025-05-13 07:15:28.848
- UTC End
- 2025-05-13 07:21:28.848
- MJD Start
- 60808.30241722
- MJD End
- 60808.30658388667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012102499999999999
- Ambient temperature (°C)
- 16.45
- Seeing (arcsec)
- 0.30500000000000005
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.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 / 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
- 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 | 56.3350 | 56.2740 | 27.3000 | 28.0000 |
| U1-U3 | 102.0260 | 101.8900 | 33.7000 | 34.4000 |
| U1-U4 | 129.8210 | 129.5700 | 61.8270 | 62.5570 |
| U2-U3 | 46.4600 | 46.3860 | 41.4000 | 42.1000 |
| U2-U4 | 89.2880 | 89.1380 | 82.7640 | 83.5410 |
| U3-U4 | 62.4650 | 62.4270 | 112.1890 | 112.9930 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.30241722 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416389 |
| DEC | -29.00738 |
| 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 | 56.335 |
| HIERARCH ESO ISS PBL12 END | 56.274 |
| HIERARCH ESO ISS PBLA12 START | 27.3 |
| HIERARCH ESO ISS PBLA12 END | 28.0 |
| HIERARCH ESO ISS PBL13 START | 102.026 |
| HIERARCH ESO ISS PBL13 END | 101.89 |
| HIERARCH ESO ISS PBLA13 START | 33.7 |
| HIERARCH ESO ISS PBLA13 END | 34.4 |
| HIERARCH ESO ISS PBL14 START | 129.821 |
| HIERARCH ESO ISS PBL14 END | 129.57 |
| HIERARCH ESO ISS PBLA14 START | 61.827 |
| HIERARCH ESO ISS PBLA14 END | 62.557 |
| HIERARCH ESO ISS PBL23 START | 46.46 |
| HIERARCH ESO ISS PBL23 END | 46.386 |
| HIERARCH ESO ISS PBLA23 START | 41.4 |
| HIERARCH ESO ISS PBLA23 END | 42.1 |
| HIERARCH ESO ISS PBL24 START | 89.288 |
| HIERARCH ESO ISS PBL24 END | 89.138 |
| HIERARCH ESO ISS PBLA24 START | 82.764 |
| HIERARCH ESO ISS PBLA24 END | 83.541 |
| HIERARCH ESO ISS PBL34 START | 62.465 |
| HIERARCH ESO ISS PBL34 END | 62.427 |
| HIERARCH ESO ISS PBLA34 START | 112.189 |
| HIERARCH ESO ISS PBLA34 END | 112.993 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010239 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013966 |
| HIERARCH ESO ISS AMBI TEMP | 16.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.33 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |