Exposure
- ID
- GRAVI.2025-05-13T07:53:43.945_2
- Header ID
- GRAVI.2025-05-13T07:53:43.945
- Date updated
- 2025-05-13 08:05:44 UTC+0000
- Release date
- 2026-05-13 08:05:44 UTC+0000
- UTC Start
- 2025-05-13 07:53:43.945
- UTC End
- 2025-05-13 07:59:43.945
- MJD Start
- 60808.32898084
- MJD End
- 60808.333147506666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0147175
- Ambient temperature (°C)
- 16.54
- Seeing (arcsec)
- 0.23
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 | 55.8320 | 55.7120 | 31.1000 | 31.7000 |
| U1-U3 | 100.8780 | 100.5990 | 37.5000 | 38.0000 |
| U1-U4 | 127.3840 | 126.7440 | 65.9640 | 66.6200 |
| U2-U3 | 45.8140 | 45.6540 | 45.2000 | 45.8000 |
| U2-U4 | 87.6120 | 87.1440 | 87.3380 | 88.1090 |
| U3-U4 | 61.7910 | 61.5760 | 117.1430 | 118.0290 |
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 | 60808.32898084 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416496 |
| DEC | -29.00748 |
| 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 | 55.832 |
| HIERARCH ESO ISS PBL12 END | 55.712 |
| HIERARCH ESO ISS PBLA12 START | 31.1 |
| HIERARCH ESO ISS PBLA12 END | 31.7 |
| HIERARCH ESO ISS PBL13 START | 100.878 |
| HIERARCH ESO ISS PBL13 END | 100.599 |
| HIERARCH ESO ISS PBLA13 START | 37.5 |
| HIERARCH ESO ISS PBLA13 END | 38.0 |
| HIERARCH ESO ISS PBL14 START | 127.384 |
| HIERARCH ESO ISS PBL14 END | 126.744 |
| HIERARCH ESO ISS PBLA14 START | 65.964 |
| HIERARCH ESO ISS PBLA14 END | 66.62 |
| HIERARCH ESO ISS PBL23 START | 45.814 |
| HIERARCH ESO ISS PBL23 END | 45.654 |
| HIERARCH ESO ISS PBLA23 START | 45.2 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 87.612 |
| HIERARCH ESO ISS PBL24 END | 87.144 |
| HIERARCH ESO ISS PBLA24 START | 87.338 |
| HIERARCH ESO ISS PBLA24 END | 88.109 |
| HIERARCH ESO ISS PBL34 START | 61.791 |
| HIERARCH ESO ISS PBL34 END | 61.576 |
| HIERARCH ESO ISS PBLA34 START | 117.143 |
| HIERARCH ESO ISS PBLA34 END | 118.029 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.014466 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014969 |
| HIERARCH ESO ISS AMBI TEMP | 16.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.23 |
| HIERARCH ESO ISS AMBI FWHM END | 0.23 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |