Exposure
- ID
- GRAVI.2025-03-16T08:19:55.418_2
- Header ID
- GRAVI.2025-03-16T08:19:55.418
- Date updated
- 2025-03-16 08:35:29 UTC+0000
- Release date
- 2026-03-16 08:35:29 UTC+0000
- UTC Start
- 2025-03-16 08:19:55.418
- UTC End
- 2025-03-16 08:25:55.418
- MJD Start
- 60750.34716919
- MJD End
- 60750.35133585666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061945
- Ambient temperature (°C)
- 13.51
- Seeing (arcsec)
- 0.815
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 | 56.2860 | 56.3030 | 6.6000 | 7.5000 |
| U1-U3 | 101.1390 | 101.2250 | 12.0000 | 13.0000 |
| U1-U4 | 119.7540 | 120.5180 | 37.3400 | 38.5930 |
| U2-U3 | 45.4010 | 45.4860 | 18.6000 | 19.7000 |
| U2-U4 | 76.9470 | 77.9040 | 59.2890 | 60.4860 |
| U3-U4 | 51.8220 | 52.6660 | 94.1390 | 94.8520 |
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 | 60750.34716919 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417514 |
| DEC | -29.00721 |
| 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 | 56.286 |
| HIERARCH ESO ISS PBL12 END | 56.303 |
| HIERARCH ESO ISS PBLA12 START | 6.6 |
| HIERARCH ESO ISS PBLA12 END | 7.5 |
| HIERARCH ESO ISS PBL13 START | 101.139 |
| HIERARCH ESO ISS PBL13 END | 101.225 |
| HIERARCH ESO ISS PBLA13 START | 12.0 |
| HIERARCH ESO ISS PBLA13 END | 13.0 |
| HIERARCH ESO ISS PBL14 START | 119.754 |
| HIERARCH ESO ISS PBL14 END | 120.518 |
| HIERARCH ESO ISS PBLA14 START | 37.34 |
| HIERARCH ESO ISS PBLA14 END | 38.593 |
| HIERARCH ESO ISS PBL23 START | 45.401 |
| HIERARCH ESO ISS PBL23 END | 45.486 |
| HIERARCH ESO ISS PBLA23 START | 18.6 |
| HIERARCH ESO ISS PBLA23 END | 19.7 |
| HIERARCH ESO ISS PBL24 START | 76.947 |
| HIERARCH ESO ISS PBL24 END | 77.904 |
| HIERARCH ESO ISS PBLA24 START | 59.289 |
| HIERARCH ESO ISS PBLA24 END | 60.486 |
| HIERARCH ESO ISS PBL34 START | 51.822 |
| HIERARCH ESO ISS PBL34 END | 52.666 |
| HIERARCH ESO ISS PBLA34 START | 94.139 |
| HIERARCH ESO ISS PBLA34 END | 94.852 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007466 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004923 |
| HIERARCH ESO ISS AMBI TEMP | 13.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.74 |
| HIERARCH ESO ISS AMBI FWHM END | 0.89 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |