Exposure
- ID
- GRAVI.2025-06-10T07:28:47.811_2
- Header ID
- GRAVI.2025-06-10T07:28:47.811
- Date updated
- 2025-06-10 07:45:48 UTC+0000
- Release date
- 2026-06-10 07:45:48 UTC+0000
- UTC Start
- 2025-06-10 07:28:47.811
- UTC End
- 2025-06-10 07:34:47.811
- MJD Start
- 60836.31166448
- MJD End
- 60836.31583114667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004253
- Ambient temperature (°C)
- 13.7
- Seeing (arcsec)
- 0.585
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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 | 53.2250 | 52.9310 | 37.5000 | 37.9000 |
| U1-U3 | 94.8380 | 94.1630 | 43.8000 | 44.1000 |
| U1-U4 | 113.3370 | 111.7880 | 73.9770 | 74.5360 |
| U2-U3 | 42.3330 | 41.9460 | 51.7000 | 52.1000 |
| U2-U4 | 77.2990 | 76.1830 | 98.1290 | 99.0370 |
| U3-U4 | 57.0780 | 56.5980 | 130.6410 | 131.8470 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60836.31166448 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416859 |
| DEC | -29.00749 |
| 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 | 53.225 |
| HIERARCH ESO ISS PBL12 END | 52.931 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.9 |
| HIERARCH ESO ISS PBL13 START | 94.838 |
| HIERARCH ESO ISS PBL13 END | 94.163 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.337 |
| HIERARCH ESO ISS PBL14 END | 111.788 |
| HIERARCH ESO ISS PBLA14 START | 73.977 |
| HIERARCH ESO ISS PBLA14 END | 74.536 |
| HIERARCH ESO ISS PBL23 START | 42.333 |
| HIERARCH ESO ISS PBL23 END | 41.946 |
| HIERARCH ESO ISS PBLA23 START | 51.7 |
| HIERARCH ESO ISS PBLA23 END | 52.1 |
| HIERARCH ESO ISS PBL24 START | 77.299 |
| HIERARCH ESO ISS PBL24 END | 76.183 |
| HIERARCH ESO ISS PBLA24 START | 98.129 |
| HIERARCH ESO ISS PBLA24 END | 99.037 |
| HIERARCH ESO ISS PBL34 START | 57.078 |
| HIERARCH ESO ISS PBL34 END | 56.598 |
| HIERARCH ESO ISS PBLA34 START | 130.641 |
| HIERARCH ESO ISS PBLA34 END | 131.847 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005208 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003298 |
| HIERARCH ESO ISS AMBI TEMP | 13.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |