Exposure
- ID
- GRAVI.2025-05-13T04:24:46.413_2
- Header ID
- GRAVI.2025-05-13T04:24:46.413
- 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 04:24:46.413
- UTC End
- 2025-05-13 04:30:46.413
- MJD Start
- 60808.18387052
- MJD End
- 60808.188037186665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0082155
- Ambient temperature (°C)
- 16.8
- Seeing (arcsec)
- 0.44
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 | 56.2700 | 56.2850 | 5.6000 | 6.5000 |
| U1-U3 | 101.0510 | 101.1310 | 10.8000 | 11.8000 |
| U1-U4 | 118.9070 | 119.6720 | 35.9260 | 37.2040 |
| U2-U3 | 45.3100 | 45.3920 | 17.4000 | 18.5000 |
| U2-U4 | 75.8650 | 76.8420 | 57.9270 | 59.1570 |
| U3-U4 | 50.8540 | 51.7290 | 93.3430 | 94.0610 |
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 | 60808.18387052 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416228 |
| DEC | -29.00742 |
| 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 | 56.27 |
| HIERARCH ESO ISS PBL12 END | 56.285 |
| HIERARCH ESO ISS PBLA12 START | 5.6 |
| HIERARCH ESO ISS PBLA12 END | 6.5 |
| HIERARCH ESO ISS PBL13 START | 101.051 |
| HIERARCH ESO ISS PBL13 END | 101.131 |
| HIERARCH ESO ISS PBLA13 START | 10.8 |
| HIERARCH ESO ISS PBLA13 END | 11.8 |
| HIERARCH ESO ISS PBL14 START | 118.907 |
| HIERARCH ESO ISS PBL14 END | 119.672 |
| HIERARCH ESO ISS PBLA14 START | 35.926 |
| HIERARCH ESO ISS PBLA14 END | 37.204 |
| HIERARCH ESO ISS PBL23 START | 45.31 |
| HIERARCH ESO ISS PBL23 END | 45.392 |
| HIERARCH ESO ISS PBLA23 START | 17.4 |
| HIERARCH ESO ISS PBLA23 END | 18.5 |
| HIERARCH ESO ISS PBL24 START | 75.865 |
| HIERARCH ESO ISS PBL24 END | 76.842 |
| HIERARCH ESO ISS PBLA24 START | 57.927 |
| HIERARCH ESO ISS PBLA24 END | 59.157 |
| HIERARCH ESO ISS PBL34 START | 50.854 |
| HIERARCH ESO ISS PBL34 END | 51.729 |
| HIERARCH ESO ISS PBLA34 START | 93.343 |
| HIERARCH ESO ISS PBLA34 END | 94.061 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008583 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007848 |
| HIERARCH ESO ISS AMBI TEMP | 16.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |