Exposure
- ID
- GRAVI.2025-05-13T05:47:19.623_2
- Header ID
- GRAVI.2025-05-13T05:47:19.623
- Date updated
- 2025-05-13 06:56:31 UTC+0000
- Release date
- 2026-05-13 06:56:30 UTC+0000
- UTC Start
- 2025-05-13 05:47:19.623
- UTC End
- 2025-05-13 05:53:19.623
- MJD Start
- 60808.24119934
- MJD End
- 60808.24536600667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008387499999999999
- Ambient temperature (°C)
- 16.77
- Seeing (arcsec)
- 0.495
Observation
- ID
- 67241
- Category
- science
- Program ID
- 115.27WT.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 / 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 | 56.5170 | 56.5310 | 17.0000 | 17.8000 |
| U1-U3 | 102.1690 | 102.2360 | 23.0000 | 23.9000 |
| U1-U4 | 127.5350 | 128.0130 | 50.3290 | 51.2860 |
| U2-U3 | 46.3550 | 46.4160 | 30.4000 | 31.3000 |
| U2-U4 | 86.1350 | 86.6740 | 71.4810 | 72.3790 |
| U3-U4 | 59.5470 | 59.9830 | 102.2290 | 102.9170 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60808.24119934 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416198 |
| DEC | -29.00741 |
| 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 | 56.517 |
| HIERARCH ESO ISS PBL12 END | 56.531 |
| HIERARCH ESO ISS PBLA12 START | 17.0 |
| HIERARCH ESO ISS PBLA12 END | 17.8 |
| HIERARCH ESO ISS PBL13 START | 102.169 |
| HIERARCH ESO ISS PBL13 END | 102.236 |
| HIERARCH ESO ISS PBLA13 START | 23.0 |
| HIERARCH ESO ISS PBLA13 END | 23.9 |
| HIERARCH ESO ISS PBL14 START | 127.535 |
| HIERARCH ESO ISS PBL14 END | 128.013 |
| HIERARCH ESO ISS PBLA14 START | 50.329 |
| HIERARCH ESO ISS PBLA14 END | 51.286 |
| HIERARCH ESO ISS PBL23 START | 46.355 |
| HIERARCH ESO ISS PBL23 END | 46.416 |
| HIERARCH ESO ISS PBLA23 START | 30.4 |
| HIERARCH ESO ISS PBLA23 END | 31.3 |
| HIERARCH ESO ISS PBL24 START | 86.135 |
| HIERARCH ESO ISS PBL24 END | 86.674 |
| HIERARCH ESO ISS PBLA24 START | 71.481 |
| HIERARCH ESO ISS PBLA24 END | 72.379 |
| HIERARCH ESO ISS PBL34 START | 59.547 |
| HIERARCH ESO ISS PBL34 END | 59.983 |
| HIERARCH ESO ISS PBLA34 START | 102.229 |
| HIERARCH ESO ISS PBLA34 END | 102.917 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008066 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008709 |
| HIERARCH ESO ISS AMBI TEMP | 16.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |