Exposure
- ID
- GRAVI.2025-07-10T05:29:40.583_2
- Header ID
- GRAVI.2025-07-10T05:29:40.583
- Date updated
- 2025-07-10 05:45:52 UTC+0000
- Release date
- 2026-07-10 05:45:52 UTC+0000
- UTC Start
- 2025-07-10 05:29:40.583
- UTC End
- 2025-07-10 05:35:40.583
- MJD Start
- 60866.22894193
- MJD End
- 60866.233108596665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070575
- Ambient temperature (°C)
- 13.86
- Seeing (arcsec)
- 0.355
Observation
- ID
- 68254
- Category
- science
- 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 | 53.2790 | 52.9860 | 37.4000 | 37.8000 |
| U1-U3 | 94.9610 | 94.2890 | 43.7000 | 44.1000 |
| U1-U4 | 113.6200 | 112.0750 | 73.8700 | 74.4330 |
| U2-U3 | 42.4040 | 42.0180 | 51.6000 | 52.0000 |
| U2-U4 | 77.5030 | 76.3890 | 97.9600 | 98.8690 |
| U3-U4 | 57.1660 | 56.6860 | 130.4170 | 131.6240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60866.22894193 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417625 |
| DEC | -29.00791 |
| 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 | 53.279 |
| HIERARCH ESO ISS PBL12 END | 52.986 |
| HIERARCH ESO ISS PBLA12 START | 37.4 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 94.961 |
| HIERARCH ESO ISS PBL13 END | 94.289 |
| HIERARCH ESO ISS PBLA13 START | 43.7 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.62 |
| HIERARCH ESO ISS PBL14 END | 112.075 |
| HIERARCH ESO ISS PBLA14 START | 73.87 |
| HIERARCH ESO ISS PBLA14 END | 74.433 |
| HIERARCH ESO ISS PBL23 START | 42.404 |
| HIERARCH ESO ISS PBL23 END | 42.018 |
| HIERARCH ESO ISS PBLA23 START | 51.6 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 77.503 |
| HIERARCH ESO ISS PBL24 END | 76.389 |
| HIERARCH ESO ISS PBLA24 START | 97.96 |
| HIERARCH ESO ISS PBLA24 END | 98.869 |
| HIERARCH ESO ISS PBL34 START | 57.166 |
| HIERARCH ESO ISS PBL34 END | 56.686 |
| HIERARCH ESO ISS PBLA34 START | 130.417 |
| HIERARCH ESO ISS PBLA34 END | 131.624 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00759 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006525 |
| HIERARCH ESO ISS AMBI TEMP | 13.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |