Exposure
- ID
- GRAVI.2025-03-18T09:31:44.151_2
- Header ID
- GRAVI.2025-03-18T09:31:44.151
- Date updated
- 2025-03-18 09:46:13 UTC+0000
- Release date
- 2026-03-18 09:46:13 UTC+0000
- UTC Start
- 2025-03-18 09:31:44.151
- UTC End
- 2025-03-18 09:37:44.151
- MJD Start
- 60752.39703878
- MJD End
- 60752.401205446666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078945
- Ambient temperature (°C)
- 15.74
- Seeing (arcsec)
- 0.5549999999999999
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 | 56.5260 | 56.5400 | 17.5000 | 18.3000 |
| U1-U3 | 102.2140 | 102.2770 | 23.6000 | 24.5000 |
| U1-U4 | 127.8540 | 128.3090 | 50.9640 | 51.9160 |
| U2-U3 | 46.3960 | 46.4540 | 31.0000 | 31.9000 |
| U2-U4 | 86.4950 | 87.0080 | 72.0770 | 72.9730 |
| U3-U4 | 59.8380 | 60.2550 | 102.6840 | 103.3820 |
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 | 60752.39703878 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417194 |
| 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 | 56.526 |
| HIERARCH ESO ISS PBL12 END | 56.54 |
| HIERARCH ESO ISS PBLA12 START | 17.5 |
| HIERARCH ESO ISS PBLA12 END | 18.3 |
| HIERARCH ESO ISS PBL13 START | 102.214 |
| HIERARCH ESO ISS PBL13 END | 102.277 |
| HIERARCH ESO ISS PBLA13 START | 23.6 |
| HIERARCH ESO ISS PBLA13 END | 24.5 |
| HIERARCH ESO ISS PBL14 START | 127.854 |
| HIERARCH ESO ISS PBL14 END | 128.309 |
| HIERARCH ESO ISS PBLA14 START | 50.964 |
| HIERARCH ESO ISS PBLA14 END | 51.916 |
| HIERARCH ESO ISS PBL23 START | 46.396 |
| HIERARCH ESO ISS PBL23 END | 46.454 |
| HIERARCH ESO ISS PBLA23 START | 31.0 |
| HIERARCH ESO ISS PBLA23 END | 31.9 |
| HIERARCH ESO ISS PBL24 START | 86.495 |
| HIERARCH ESO ISS PBL24 END | 87.008 |
| HIERARCH ESO ISS PBLA24 START | 72.077 |
| HIERARCH ESO ISS PBLA24 END | 72.973 |
| HIERARCH ESO ISS PBL34 START | 59.838 |
| HIERARCH ESO ISS PBL34 END | 60.255 |
| HIERARCH ESO ISS PBLA34 START | 102.684 |
| HIERARCH ESO ISS PBLA34 END | 103.382 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007997 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007792 |
| HIERARCH ESO ISS AMBI TEMP | 15.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |