Exposure
- ID
- GRAVI.2025-05-13T08:00:55.964_2
- Header ID
- GRAVI.2025-05-13T08:00:55.964
- Date updated
- 2025-05-13 08:20:58 UTC+0000
- Release date
- 2026-05-13 08:20:58 UTC+0000
- UTC Start
- 2025-05-13 08:00:55.964
- UTC End
- 2025-05-13 08:06:55.964
- MJD Start
- 60808.33398106
- MJD End
- 60808.33814772667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0142275
- Ambient temperature (°C)
- 16.52
- Seeing (arcsec)
- 0.255
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 | 55.6970 | 55.5630 | 31.7000 | 32.3000 |
| U1-U3 | 100.5640 | 100.2530 | 38.1000 | 38.7000 |
| U1-U4 | 126.6630 | 125.9430 | 66.6970 | 67.3450 |
| U2-U3 | 45.6330 | 45.4540 | 45.9000 | 46.5000 |
| U2-U4 | 87.0850 | 86.5550 | 88.2010 | 88.9780 |
| U3-U4 | 61.5480 | 61.3020 | 118.1360 | 119.0480 |
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 | 60808.33398106 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416502 |
| 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 | 55.697 |
| HIERARCH ESO ISS PBL12 END | 55.563 |
| HIERARCH ESO ISS PBLA12 START | 31.7 |
| HIERARCH ESO ISS PBLA12 END | 32.3 |
| HIERARCH ESO ISS PBL13 START | 100.564 |
| HIERARCH ESO ISS PBL13 END | 100.253 |
| HIERARCH ESO ISS PBLA13 START | 38.1 |
| HIERARCH ESO ISS PBLA13 END | 38.7 |
| HIERARCH ESO ISS PBL14 START | 126.663 |
| HIERARCH ESO ISS PBL14 END | 125.943 |
| HIERARCH ESO ISS PBLA14 START | 66.697 |
| HIERARCH ESO ISS PBLA14 END | 67.345 |
| HIERARCH ESO ISS PBL23 START | 45.633 |
| HIERARCH ESO ISS PBL23 END | 45.454 |
| HIERARCH ESO ISS PBLA23 START | 45.9 |
| HIERARCH ESO ISS PBLA23 END | 46.5 |
| HIERARCH ESO ISS PBL24 START | 87.085 |
| HIERARCH ESO ISS PBL24 END | 86.555 |
| HIERARCH ESO ISS PBLA24 START | 88.201 |
| HIERARCH ESO ISS PBLA24 END | 88.978 |
| HIERARCH ESO ISS PBL34 START | 61.548 |
| HIERARCH ESO ISS PBL34 END | 61.302 |
| HIERARCH ESO ISS PBLA34 START | 118.136 |
| HIERARCH ESO ISS PBLA34 END | 119.048 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.014969 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.013486 |
| HIERARCH ESO ISS AMBI TEMP | 16.52 |
| HIERARCH ESO ISS AMBI FWHM START | 0.23 |
| HIERARCH ESO ISS AMBI FWHM END | 0.28 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |