Exposure
- ID
- GRAVI.2025-05-12T07:34:40.805_2
- Header ID
- GRAVI.2025-05-12T07:34:40.805
- Date updated
- 2025-05-12 19:45:47 UTC+0000
- Release date
- 2026-05-12 19:45:45 UTC+0000
- UTC Start
- 2025-05-12 07:34:40.805
- UTC End
- 2025-05-12 07:40:40.805
- MJD Start
- 60807.31575006
- MJD End
- 60807.319916726665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.011487500000000001
- Ambient temperature (°C)
- 17.52
- Seeing (arcsec)
- 0.43999999999999995
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 | 56.1750 | 56.0920 | 28.9000 | 29.5000 |
| U1-U3 | 101.6680 | 101.4780 | 35.3000 | 35.9000 |
| U1-U4 | 129.1230 | 128.7210 | 63.5380 | 64.2320 |
| U2-U3 | 46.2630 | 46.1560 | 43.0000 | 43.7000 |
| U2-U4 | 88.8450 | 88.5680 | 84.6020 | 85.3690 |
| U3-U4 | 62.3250 | 62.2130 | 114.1140 | 114.9430 |
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 | 60807.31575006 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416501 |
| DEC | -29.00747 |
| 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 | 56.175 |
| HIERARCH ESO ISS PBL12 END | 56.092 |
| HIERARCH ESO ISS PBLA12 START | 28.9 |
| HIERARCH ESO ISS PBLA12 END | 29.5 |
| HIERARCH ESO ISS PBL13 START | 101.668 |
| HIERARCH ESO ISS PBL13 END | 101.478 |
| HIERARCH ESO ISS PBLA13 START | 35.3 |
| HIERARCH ESO ISS PBLA13 END | 35.9 |
| HIERARCH ESO ISS PBL14 START | 129.123 |
| HIERARCH ESO ISS PBL14 END | 128.721 |
| HIERARCH ESO ISS PBLA14 START | 63.538 |
| HIERARCH ESO ISS PBLA14 END | 64.232 |
| HIERARCH ESO ISS PBL23 START | 46.263 |
| HIERARCH ESO ISS PBL23 END | 46.156 |
| HIERARCH ESO ISS PBLA23 START | 43.0 |
| HIERARCH ESO ISS PBLA23 END | 43.7 |
| HIERARCH ESO ISS PBL24 START | 88.845 |
| HIERARCH ESO ISS PBL24 END | 88.568 |
| HIERARCH ESO ISS PBLA24 START | 84.602 |
| HIERARCH ESO ISS PBLA24 END | 85.369 |
| HIERARCH ESO ISS PBL34 START | 62.325 |
| HIERARCH ESO ISS PBL34 END | 62.213 |
| HIERARCH ESO ISS PBLA34 START | 114.114 |
| HIERARCH ESO ISS PBLA34 END | 114.943 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.011164 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.011811 |
| HIERARCH ESO ISS AMBI TEMP | 17.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |