Exposure
- ID
- GRAVI.2025-03-18T08:48:29.040_2
- Header ID
- GRAVI.2025-03-18T08:48:29.040
- Date updated
- 2025-03-18 09:05:43 UTC+0000
- Release date
- 2026-03-18 09:05:43 UTC+0000
- UTC Start
- 2025-03-18 08:48:29.040
- UTC End
- 2025-03-18 08:54:29.040
- MJD Start
- 60752.36700278
- MJD End
- 60752.37116944667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008244
- Ambient temperature (°C)
- 15.68
- Seeing (arcsec)
- 0.45
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 | 56.3960 | 56.4180 | 11.7000 | 12.6000 |
| U1-U3 | 101.6520 | 101.7460 | 17.5000 | 18.4000 |
| U1-U4 | 123.9050 | 124.5830 | 44.0500 | 45.1560 |
| U2-U3 | 45.8890 | 45.9750 | 24.6000 | 25.6000 |
| U2-U4 | 81.9800 | 82.7690 | 65.6220 | 66.6530 |
| U3-U4 | 56.1450 | 56.8000 | 98.0870 | 98.7770 |
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 | 60752.36700278 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417184 |
| DEC | -29.00783 |
| 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 | 56.396 |
| HIERARCH ESO ISS PBL12 END | 56.418 |
| HIERARCH ESO ISS PBLA12 START | 11.7 |
| HIERARCH ESO ISS PBLA12 END | 12.6 |
| HIERARCH ESO ISS PBL13 START | 101.652 |
| HIERARCH ESO ISS PBL13 END | 101.746 |
| HIERARCH ESO ISS PBLA13 START | 17.5 |
| HIERARCH ESO ISS PBLA13 END | 18.4 |
| HIERARCH ESO ISS PBL14 START | 123.905 |
| HIERARCH ESO ISS PBL14 END | 124.583 |
| HIERARCH ESO ISS PBLA14 START | 44.05 |
| HIERARCH ESO ISS PBLA14 END | 45.156 |
| HIERARCH ESO ISS PBL23 START | 45.889 |
| HIERARCH ESO ISS PBL23 END | 45.975 |
| HIERARCH ESO ISS PBLA23 START | 24.6 |
| HIERARCH ESO ISS PBLA23 END | 25.6 |
| HIERARCH ESO ISS PBL24 START | 81.98 |
| HIERARCH ESO ISS PBL24 END | 82.769 |
| HIERARCH ESO ISS PBLA24 START | 65.622 |
| HIERARCH ESO ISS PBLA24 END | 66.653 |
| HIERARCH ESO ISS PBL34 START | 56.145 |
| HIERARCH ESO ISS PBL34 END | 56.8 |
| HIERARCH ESO ISS PBLA34 START | 98.087 |
| HIERARCH ESO ISS PBLA34 END | 98.777 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007401 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009087 |
| HIERARCH ESO ISS AMBI TEMP | 15.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |