Exposure
- ID
- GRAVI.2025-03-17T08:30:03.360_2
- Header ID
- GRAVI.2025-03-17T08:30:03.360
- Date updated
- 2025-03-17 08:41:30 UTC+0000
- Release date
- 2026-03-17 08:41:30 UTC+0000
- UTC Start
- 2025-03-17 08:30:03.360
- UTC End
- 2025-03-17 08:36:03.360
- MJD Start
- 60751.35420555
- MJD End
- 60751.358372216666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0083715
- Ambient temperature (°C)
- 14.83
- Seeing (arcsec)
- 0.5349999999999999
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 | 56.3250 | 56.3440 | 8.6000 | 9.5000 |
| U1-U3 | 101.3300 | 101.4210 | 14.1000 | 15.1000 |
| U1-U4 | 121.4090 | 122.1520 | 40.0390 | 41.2330 |
| U2-U3 | 45.5880 | 45.6760 | 21.0000 | 22.0000 |
| U2-U4 | 79.0020 | 79.9020 | 61.8580 | 62.9830 |
| U3-U4 | 53.6210 | 54.3930 | 95.6880 | 96.3870 |
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 | 60751.35420555 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417242 |
| 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 | 56.325 |
| HIERARCH ESO ISS PBL12 END | 56.344 |
| HIERARCH ESO ISS PBLA12 START | 8.6 |
| HIERARCH ESO ISS PBLA12 END | 9.5 |
| HIERARCH ESO ISS PBL13 START | 101.33 |
| HIERARCH ESO ISS PBL13 END | 101.421 |
| HIERARCH ESO ISS PBLA13 START | 14.1 |
| HIERARCH ESO ISS PBLA13 END | 15.1 |
| HIERARCH ESO ISS PBL14 START | 121.409 |
| HIERARCH ESO ISS PBL14 END | 122.152 |
| HIERARCH ESO ISS PBLA14 START | 40.039 |
| HIERARCH ESO ISS PBLA14 END | 41.233 |
| HIERARCH ESO ISS PBL23 START | 45.588 |
| HIERARCH ESO ISS PBL23 END | 45.676 |
| HIERARCH ESO ISS PBLA23 START | 21.0 |
| HIERARCH ESO ISS PBLA23 END | 22.0 |
| HIERARCH ESO ISS PBL24 START | 79.002 |
| HIERARCH ESO ISS PBL24 END | 79.902 |
| HIERARCH ESO ISS PBLA24 START | 61.858 |
| HIERARCH ESO ISS PBLA24 END | 62.983 |
| HIERARCH ESO ISS PBL34 START | 53.621 |
| HIERARCH ESO ISS PBL34 END | 54.393 |
| HIERARCH ESO ISS PBLA34 START | 95.688 |
| HIERARCH ESO ISS PBLA34 END | 96.387 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008976 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007767 |
| HIERARCH ESO ISS AMBI TEMP | 14.83 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |