Exposure
- ID
- GRAVI.2025-03-15T08:35:43.215_2
- Header ID
- GRAVI.2025-03-15T08:35:43.215
- Date updated
- 2025-03-15 08:50:31 UTC+0000
- Release date
- 2026-03-15 08:50:31 UTC+0000
- UTC Start
- 2025-03-15 08:35:43.215
- UTC End
- 2025-03-15 08:41:43.215
- MJD Start
- 60749.35813906
- MJD End
- 60749.36230572667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042945
- Ambient temperature (°C)
- 13.39
- Seeing (arcsec)
- 0.85
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 | 56.3180 | 56.3380 | 8.3000 | 9.2000 |
| U1-U3 | 101.2990 | 101.3900 | 13.8000 | 14.8000 |
| U1-U4 | 121.1530 | 121.9000 | 39.6240 | 40.8270 |
| U2-U3 | 45.5590 | 45.6460 | 20.6000 | 21.7000 |
| U2-U4 | 78.6880 | 79.5980 | 61.4640 | 62.6000 |
| U3-U4 | 53.3490 | 54.1330 | 95.4460 | 96.1470 |
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 | 60749.35813906 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417324 |
| DEC | -29.00781 |
| 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 | 56.318 |
| HIERARCH ESO ISS PBL12 END | 56.338 |
| HIERARCH ESO ISS PBLA12 START | 8.3 |
| HIERARCH ESO ISS PBLA12 END | 9.2 |
| HIERARCH ESO ISS PBL13 START | 101.299 |
| HIERARCH ESO ISS PBL13 END | 101.39 |
| HIERARCH ESO ISS PBLA13 START | 13.8 |
| HIERARCH ESO ISS PBLA13 END | 14.8 |
| HIERARCH ESO ISS PBL14 START | 121.153 |
| HIERARCH ESO ISS PBL14 END | 121.9 |
| HIERARCH ESO ISS PBLA14 START | 39.624 |
| HIERARCH ESO ISS PBLA14 END | 40.827 |
| HIERARCH ESO ISS PBL23 START | 45.559 |
| HIERARCH ESO ISS PBL23 END | 45.646 |
| HIERARCH ESO ISS PBLA23 START | 20.6 |
| HIERARCH ESO ISS PBLA23 END | 21.7 |
| HIERARCH ESO ISS PBL24 START | 78.688 |
| HIERARCH ESO ISS PBL24 END | 79.598 |
| HIERARCH ESO ISS PBLA24 START | 61.464 |
| HIERARCH ESO ISS PBLA24 END | 62.6 |
| HIERARCH ESO ISS PBL34 START | 53.349 |
| HIERARCH ESO ISS PBL34 END | 54.133 |
| HIERARCH ESO ISS PBLA34 START | 95.446 |
| HIERARCH ESO ISS PBLA34 END | 96.147 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004446 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004143 |
| HIERARCH ESO ISS AMBI TEMP | 13.39 |
| HIERARCH ESO ISS AMBI FWHM START | 0.83 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |