Exposure
- ID
- GRAVI.2025-06-10T06:01:14.588_2
- Header ID
- GRAVI.2025-06-10T06:01:14.588
- Date updated
- 2025-06-10 06:20:45 UTC+0000
- Release date
- 2026-06-10 06:20:45 UTC+0000
- UTC Start
- 2025-06-10 06:01:14.588
- UTC End
- 2025-06-10 06:07:14.588
- MJD Start
- 60836.25086329
- MJD End
- 60836.255029956665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045055
- Ambient temperature (°C)
- 12.87
- Seeing (arcsec)
- 1.02
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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
- 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 | 55.8750 | 55.7580 | 30.9000 | 31.4000 |
| U1-U3 | 100.9770 | 100.7060 | 37.2000 | 37.8000 |
| U1-U4 | 127.6080 | 126.9900 | 65.7190 | 66.3810 |
| U2-U3 | 45.8710 | 45.7150 | 45.0000 | 45.6000 |
| U2-U4 | 87.7740 | 87.3240 | 87.0540 | 87.8260 |
| U3-U4 | 61.8650 | 61.6590 | 116.8180 | 117.7020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.25086329 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416864 |
| DEC | -29.00739 |
| 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 | 55.875 |
| HIERARCH ESO ISS PBL12 END | 55.758 |
| HIERARCH ESO ISS PBLA12 START | 30.9 |
| HIERARCH ESO ISS PBLA12 END | 31.4 |
| HIERARCH ESO ISS PBL13 START | 100.977 |
| HIERARCH ESO ISS PBL13 END | 100.706 |
| HIERARCH ESO ISS PBLA13 START | 37.2 |
| HIERARCH ESO ISS PBLA13 END | 37.8 |
| HIERARCH ESO ISS PBL14 START | 127.608 |
| HIERARCH ESO ISS PBL14 END | 126.99 |
| HIERARCH ESO ISS PBLA14 START | 65.719 |
| HIERARCH ESO ISS PBLA14 END | 66.381 |
| HIERARCH ESO ISS PBL23 START | 45.871 |
| HIERARCH ESO ISS PBL23 END | 45.715 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 45.6 |
| HIERARCH ESO ISS PBL24 START | 87.774 |
| HIERARCH ESO ISS PBL24 END | 87.324 |
| HIERARCH ESO ISS PBLA24 START | 87.054 |
| HIERARCH ESO ISS PBLA24 END | 87.826 |
| HIERARCH ESO ISS PBL34 START | 61.865 |
| HIERARCH ESO ISS PBL34 END | 61.659 |
| HIERARCH ESO ISS PBLA34 START | 116.818 |
| HIERARCH ESO ISS PBLA34 END | 117.702 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003927 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005084 |
| HIERARCH ESO ISS AMBI TEMP | 12.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.84 |
| HIERARCH ESO ISS AMBI FWHM END | 1.2 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |