Exposure
- ID
- GRAVI.2025-05-13T04:09:04.373_2
- Header ID
- GRAVI.2025-05-13T04:09:04.373
- Date updated
- 2025-05-13 06:51:34 UTC+0000
- Release date
- 2026-05-13 06:51:33 UTC+0000
- UTC Start
- 2025-05-13 04:09:04.373
- UTC End
- 2025-05-13 04:15:04.373
- MJD Start
- 60808.17296728
- MJD End
- 60808.177133946665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007154000000000001
- Ambient temperature (°C)
- 16.95
- Seeing (arcsec)
- 0.46499999999999997
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 | 56.2430 | 56.2530 | 3.3000 | 4.3000 |
| U1-U3 | 100.8780 | 100.9450 | 8.3000 | 9.4000 |
| U1-U4 | 117.0430 | 117.8080 | 32.6900 | 34.0430 |
| U2-U3 | 45.1200 | 45.1960 | 14.6000 | 15.8000 |
| U2-U4 | 73.4050 | 74.4300 | 54.7590 | 56.0930 |
| U3-U4 | 48.5870 | 49.5420 | 91.5450 | 92.2940 |
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 | 60808.17296728 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41622 |
| DEC | -29.00741 |
| 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 | 56.243 |
| HIERARCH ESO ISS PBL12 END | 56.253 |
| HIERARCH ESO ISS PBLA12 START | 3.3 |
| HIERARCH ESO ISS PBLA12 END | 4.3 |
| HIERARCH ESO ISS PBL13 START | 100.878 |
| HIERARCH ESO ISS PBL13 END | 100.945 |
| HIERARCH ESO ISS PBLA13 START | 8.3 |
| HIERARCH ESO ISS PBLA13 END | 9.4 |
| HIERARCH ESO ISS PBL14 START | 117.043 |
| HIERARCH ESO ISS PBL14 END | 117.808 |
| HIERARCH ESO ISS PBLA14 START | 32.69 |
| HIERARCH ESO ISS PBLA14 END | 34.043 |
| HIERARCH ESO ISS PBL23 START | 45.12 |
| HIERARCH ESO ISS PBL23 END | 45.196 |
| HIERARCH ESO ISS PBLA23 START | 14.6 |
| HIERARCH ESO ISS PBLA23 END | 15.8 |
| HIERARCH ESO ISS PBL24 START | 73.405 |
| HIERARCH ESO ISS PBL24 END | 74.43 |
| HIERARCH ESO ISS PBLA24 START | 54.759 |
| HIERARCH ESO ISS PBLA24 END | 56.093 |
| HIERARCH ESO ISS PBL34 START | 48.587 |
| HIERARCH ESO ISS PBL34 END | 49.542 |
| HIERARCH ESO ISS PBLA34 START | 91.545 |
| HIERARCH ESO ISS PBLA34 END | 92.294 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006654 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007654 |
| HIERARCH ESO ISS AMBI TEMP | 16.95 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |