Exposure
- ID
- GRAVI.2025-03-15T09:26:28.345_2
- Header ID
- GRAVI.2025-03-15T09:26:28.345
- Date updated
- 2025-03-15 09:40:32 UTC+0000
- Release date
- 2026-03-15 09:40:32 UTC+0000
- UTC Start
- 2025-03-15 09:26:28.345
- UTC End
- 2025-03-15 09:32:28.345
- MJD Start
- 60749.39338362
- MJD End
- 60749.39755028667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0036975000000000003
- Ambient temperature (°C)
- 13.03
- Seeing (arcsec)
- 1.0550000000000002
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.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 / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
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 | 56.4810 | 56.5000 | 15.3000 | 16.1000 |
| U1-U3 | 102.0160 | 102.0960 | 21.3000 | 22.2000 |
| U1-U4 | 126.4710 | 127.0240 | 48.3610 | 49.3610 |
| U2-U3 | 46.2170 | 46.2890 | 28.6000 | 29.5000 |
| U2-U4 | 84.9320 | 85.5570 | 69.6400 | 70.5740 |
| U3-U4 | 58.5720 | 59.0790 | 100.8660 | 101.5500 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60749.39338362 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41738 |
| DEC | -29.0077 |
| 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 | 56.481 |
| HIERARCH ESO ISS PBL12 END | 56.5 |
| HIERARCH ESO ISS PBLA12 START | 15.3 |
| HIERARCH ESO ISS PBLA12 END | 16.1 |
| HIERARCH ESO ISS PBL13 START | 102.016 |
| HIERARCH ESO ISS PBL13 END | 102.096 |
| HIERARCH ESO ISS PBLA13 START | 21.3 |
| HIERARCH ESO ISS PBLA13 END | 22.2 |
| HIERARCH ESO ISS PBL14 START | 126.471 |
| HIERARCH ESO ISS PBL14 END | 127.024 |
| HIERARCH ESO ISS PBLA14 START | 48.361 |
| HIERARCH ESO ISS PBLA14 END | 49.361 |
| HIERARCH ESO ISS PBL23 START | 46.217 |
| HIERARCH ESO ISS PBL23 END | 46.289 |
| HIERARCH ESO ISS PBLA23 START | 28.6 |
| HIERARCH ESO ISS PBLA23 END | 29.5 |
| HIERARCH ESO ISS PBL24 START | 84.932 |
| HIERARCH ESO ISS PBL24 END | 85.557 |
| HIERARCH ESO ISS PBLA24 START | 69.64 |
| HIERARCH ESO ISS PBLA24 END | 70.574 |
| HIERARCH ESO ISS PBL34 START | 58.572 |
| HIERARCH ESO ISS PBL34 END | 59.079 |
| HIERARCH ESO ISS PBLA34 START | 100.866 |
| HIERARCH ESO ISS PBLA34 END | 101.55 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003813 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003582 |
| HIERARCH ESO ISS AMBI TEMP | 13.03 |
| HIERARCH ESO ISS AMBI FWHM START | 1.08 |
| HIERARCH ESO ISS AMBI FWHM END | 1.03 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |