Exposure
- ID
- GRAVI.2025-05-12T07:57:04.863_2
- Header ID
- GRAVI.2025-05-12T07:57:04.863
- Date updated
- 2025-05-12 19:50:48 UTC+0000
- Release date
- 2026-05-12 19:50:47 UTC+0000
- UTC Start
- 2025-05-12 07:57:04.863
- UTC End
- 2025-05-12 08:03:04.863
- MJD Start
- 60807.33130628
- MJD End
- 60807.33547294667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012607
- Ambient temperature (°C)
- 17.5
- Seeing (arcsec)
- 0.365
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 | 55.8430 | 55.7230 | 31.0000 | 31.6000 |
| U1-U3 | 100.9030 | 100.6250 | 37.4000 | 38.0000 |
| U1-U4 | 127.4400 | 126.8030 | 65.9040 | 66.5630 |
| U2-U3 | 45.8280 | 45.6680 | 45.2000 | 45.8000 |
| U2-U4 | 87.6520 | 87.1870 | 87.2680 | 88.0420 |
| U3-U4 | 61.8100 | 61.5960 | 117.0630 | 117.9520 |
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 | 60807.33130628 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416489 |
| DEC | -29.00753 |
| 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 | 55.843 |
| HIERARCH ESO ISS PBL12 END | 55.723 |
| HIERARCH ESO ISS PBLA12 START | 31.0 |
| HIERARCH ESO ISS PBLA12 END | 31.6 |
| HIERARCH ESO ISS PBL13 START | 100.903 |
| HIERARCH ESO ISS PBL13 END | 100.625 |
| HIERARCH ESO ISS PBLA13 START | 37.4 |
| HIERARCH ESO ISS PBLA13 END | 38.0 |
| HIERARCH ESO ISS PBL14 START | 127.44 |
| HIERARCH ESO ISS PBL14 END | 126.803 |
| HIERARCH ESO ISS PBLA14 START | 65.904 |
| HIERARCH ESO ISS PBLA14 END | 66.563 |
| HIERARCH ESO ISS PBL23 START | 45.828 |
| HIERARCH ESO ISS PBL23 END | 45.668 |
| HIERARCH ESO ISS PBLA23 START | 45.2 |
| HIERARCH ESO ISS PBLA23 END | 45.8 |
| HIERARCH ESO ISS PBL24 START | 87.652 |
| HIERARCH ESO ISS PBL24 END | 87.187 |
| HIERARCH ESO ISS PBLA24 START | 87.268 |
| HIERARCH ESO ISS PBLA24 END | 88.042 |
| HIERARCH ESO ISS PBL34 START | 61.81 |
| HIERARCH ESO ISS PBL34 END | 61.596 |
| HIERARCH ESO ISS PBLA34 START | 117.063 |
| HIERARCH ESO ISS PBLA34 END | 117.952 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013136 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.012078 |
| HIERARCH ESO ISS AMBI TEMP | 17.5 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.33 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |