Exposure
- ID
- GRAVI.2025-03-17T09:29:57.512_2
- Header ID
- GRAVI.2025-03-17T09:29:57.512
- Date updated
- 2025-03-17 09:45:37 UTC+0000
- Release date
- 2026-03-17 09:45:37 UTC+0000
- UTC Start
- 2025-03-17 09:29:57.512
- UTC End
- 2025-03-17 09:35:57.512
- MJD Start
- 60751.39580454
- MJD End
- 60751.399971206665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070735
- Ambient temperature (°C)
- 14.84
- Seeing (arcsec)
- 0.5900000000000001
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 | 56.5130 | 56.5280 | 16.8000 | 17.6000 |
| U1-U3 | 102.1530 | 102.2220 | 22.8000 | 23.7000 |
| U1-U4 | 127.4210 | 127.9070 | 50.1110 | 51.0720 |
| U2-U3 | 46.3400 | 46.4030 | 30.2000 | 31.1000 |
| U2-U4 | 86.0050 | 86.5550 | 71.2760 | 72.1790 |
| U3-U4 | 59.4420 | 59.8870 | 102.0750 | 102.7630 |
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 | 60751.39580454 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417241 |
| 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 | 56.513 |
| HIERARCH ESO ISS PBL12 END | 56.528 |
| HIERARCH ESO ISS PBLA12 START | 16.8 |
| HIERARCH ESO ISS PBLA12 END | 17.6 |
| HIERARCH ESO ISS PBL13 START | 102.153 |
| HIERARCH ESO ISS PBL13 END | 102.222 |
| HIERARCH ESO ISS PBLA13 START | 22.8 |
| HIERARCH ESO ISS PBLA13 END | 23.7 |
| HIERARCH ESO ISS PBL14 START | 127.421 |
| HIERARCH ESO ISS PBL14 END | 127.907 |
| HIERARCH ESO ISS PBLA14 START | 50.111 |
| HIERARCH ESO ISS PBLA14 END | 51.072 |
| HIERARCH ESO ISS PBL23 START | 46.34 |
| HIERARCH ESO ISS PBL23 END | 46.403 |
| HIERARCH ESO ISS PBLA23 START | 30.2 |
| HIERARCH ESO ISS PBLA23 END | 31.1 |
| HIERARCH ESO ISS PBL24 START | 86.005 |
| HIERARCH ESO ISS PBL24 END | 86.555 |
| HIERARCH ESO ISS PBLA24 START | 71.276 |
| HIERARCH ESO ISS PBLA24 END | 72.179 |
| HIERARCH ESO ISS PBL34 START | 59.442 |
| HIERARCH ESO ISS PBL34 END | 59.887 |
| HIERARCH ESO ISS PBLA34 START | 102.075 |
| HIERARCH ESO ISS PBLA34 END | 102.763 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006279 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007868 |
| HIERARCH ESO ISS AMBI TEMP | 14.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |