Exposure
- ID
- GRAVI.2025-03-17T08:44:18.396_2
- Header ID
- GRAVI.2025-03-17T08:44:18.396
- Date updated
- 2025-03-17 09:00:38 UTC+0000
- Release date
- 2026-03-17 09:00:38 UTC+0000
- UTC Start
- 2025-03-17 08:44:18.396
- UTC End
- 2025-03-17 08:50:18.396
- MJD Start
- 60751.36410181
- MJD End
- 60751.36826847667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008072
- Ambient temperature (°C)
- 14.86
- Seeing (arcsec)
- 0.535
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 | 56.3690 | 56.3910 | 10.6000 | 11.5000 |
| U1-U3 | 101.5340 | 101.6280 | 16.3000 | 17.3000 |
| U1-U4 | 123.0230 | 123.7270 | 42.6300 | 43.7650 |
| U2-U3 | 45.7810 | 45.8670 | 23.3000 | 24.3000 |
| U2-U4 | 80.9420 | 81.7730 | 64.2950 | 65.3560 |
| U3-U4 | 55.2760 | 55.9730 | 97.2210 | 97.9120 |
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 | 60751.36410181 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417227 |
| DEC | -29.00787 |
| 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 | 56.369 |
| HIERARCH ESO ISS PBL12 END | 56.391 |
| HIERARCH ESO ISS PBLA12 START | 10.6 |
| HIERARCH ESO ISS PBLA12 END | 11.5 |
| HIERARCH ESO ISS PBL13 START | 101.534 |
| HIERARCH ESO ISS PBL13 END | 101.628 |
| HIERARCH ESO ISS PBLA13 START | 16.3 |
| HIERARCH ESO ISS PBLA13 END | 17.3 |
| HIERARCH ESO ISS PBL14 START | 123.023 |
| HIERARCH ESO ISS PBL14 END | 123.727 |
| HIERARCH ESO ISS PBLA14 START | 42.63 |
| HIERARCH ESO ISS PBLA14 END | 43.765 |
| HIERARCH ESO ISS PBL23 START | 45.781 |
| HIERARCH ESO ISS PBL23 END | 45.867 |
| HIERARCH ESO ISS PBLA23 START | 23.3 |
| HIERARCH ESO ISS PBLA23 END | 24.3 |
| HIERARCH ESO ISS PBL24 START | 80.942 |
| HIERARCH ESO ISS PBL24 END | 81.773 |
| HIERARCH ESO ISS PBLA24 START | 64.295 |
| HIERARCH ESO ISS PBLA24 END | 65.356 |
| HIERARCH ESO ISS PBL34 START | 55.276 |
| HIERARCH ESO ISS PBL34 END | 55.973 |
| HIERARCH ESO ISS PBLA34 START | 97.221 |
| HIERARCH ESO ISS PBLA34 END | 97.912 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008238 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007906 |
| HIERARCH ESO ISS AMBI TEMP | 14.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |