Exposure
- ID
- GRAVI.2025-05-13T05:24:22.565_2
- Header ID
- GRAVI.2025-05-13T05:24:22.565
- 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 05:24:22.565
- UTC End
- 2025-05-13 05:30:22.565
- MJD Start
- 60808.22526117
- MJD End
- 60808.22942783667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006432
- Ambient temperature (°C)
- 17.05
- Seeing (arcsec)
- 0.51
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 | 56.4500 | 56.4700 | 13.9000 | 14.8000 |
| U1-U3 | 101.8810 | 101.9680 | 19.8000 | 20.7000 |
| U1-U4 | 125.5350 | 126.1390 | 46.7390 | 47.7760 |
| U2-U3 | 46.0960 | 46.1740 | 27.1000 | 28.0000 |
| U2-U4 | 83.8650 | 84.5550 | 68.1290 | 69.0940 |
| U3-U4 | 57.7020 | 58.2650 | 99.7910 | 100.4730 |
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 | 60808.22526117 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416224 |
| DEC | -29.00742 |
| 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 | 56.45 |
| HIERARCH ESO ISS PBL12 END | 56.47 |
| HIERARCH ESO ISS PBLA12 START | 13.9 |
| HIERARCH ESO ISS PBLA12 END | 14.8 |
| HIERARCH ESO ISS PBL13 START | 101.881 |
| HIERARCH ESO ISS PBL13 END | 101.968 |
| HIERARCH ESO ISS PBLA13 START | 19.8 |
| HIERARCH ESO ISS PBLA13 END | 20.7 |
| HIERARCH ESO ISS PBL14 START | 125.535 |
| HIERARCH ESO ISS PBL14 END | 126.139 |
| HIERARCH ESO ISS PBLA14 START | 46.739 |
| HIERARCH ESO ISS PBLA14 END | 47.776 |
| HIERARCH ESO ISS PBL23 START | 46.096 |
| HIERARCH ESO ISS PBL23 END | 46.174 |
| HIERARCH ESO ISS PBLA23 START | 27.1 |
| HIERARCH ESO ISS PBLA23 END | 28.0 |
| HIERARCH ESO ISS PBL24 START | 83.865 |
| HIERARCH ESO ISS PBL24 END | 84.555 |
| HIERARCH ESO ISS PBLA24 START | 68.129 |
| HIERARCH ESO ISS PBLA24 END | 69.094 |
| HIERARCH ESO ISS PBL34 START | 57.702 |
| HIERARCH ESO ISS PBL34 END | 58.265 |
| HIERARCH ESO ISS PBLA34 START | 99.791 |
| HIERARCH ESO ISS PBLA34 END | 100.473 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006256 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006608 |
| HIERARCH ESO ISS AMBI TEMP | 17.05 |
| HIERARCH ESO ISS AMBI FWHM START | 0.54 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |