Exposure
- ID
- GRAVI.2025-03-18T09:46:47.189_2
- Header ID
- GRAVI.2025-03-18T09:46:47.189
- Date updated
- 2025-03-18 10:00:47 UTC+0000
- Release date
- 2026-03-18 10:00:46 UTC+0000
- UTC Start
- 2025-03-18 09:46:47.189
- UTC End
- 2025-03-18 09:52:47.189
- MJD Start
- 60752.40749061
- MJD End
- 60752.411657276665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006475
- Ambient temperature (°C)
- 15.74
- Seeing (arcsec)
- 0.64
Observation
- ID
- 65080
- Category
- science
- Program ID
- 114.270V.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 / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
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 | 56.5520 | 56.5580 | 19.4000 | 20.2000 |
| U1-U3 | 102.3460 | 102.3860 | 25.6000 | 26.4000 |
| U1-U4 | 128.8420 | 129.1910 | 53.1420 | 54.0420 |
| U2-U3 | 46.5200 | 46.5620 | 33.1000 | 34.0000 |
| U2-U4 | 87.6150 | 88.0170 | 74.1340 | 74.9920 |
| U3-U4 | 60.7490 | 61.0800 | 104.3090 | 105.0130 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60752.40749061 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417193 |
| DEC | -29.00784 |
| 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 | 56.552 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 19.4 |
| HIERARCH ESO ISS PBLA12 END | 20.2 |
| HIERARCH ESO ISS PBL13 START | 102.346 |
| HIERARCH ESO ISS PBL13 END | 102.386 |
| HIERARCH ESO ISS PBLA13 START | 25.6 |
| HIERARCH ESO ISS PBLA13 END | 26.4 |
| HIERARCH ESO ISS PBL14 START | 128.842 |
| HIERARCH ESO ISS PBL14 END | 129.191 |
| HIERARCH ESO ISS PBLA14 START | 53.142 |
| HIERARCH ESO ISS PBLA14 END | 54.042 |
| HIERARCH ESO ISS PBL23 START | 46.52 |
| HIERARCH ESO ISS PBL23 END | 46.562 |
| HIERARCH ESO ISS PBLA23 START | 33.1 |
| HIERARCH ESO ISS PBLA23 END | 34.0 |
| HIERARCH ESO ISS PBL24 START | 87.615 |
| HIERARCH ESO ISS PBL24 END | 88.017 |
| HIERARCH ESO ISS PBLA24 START | 74.134 |
| HIERARCH ESO ISS PBLA24 END | 74.992 |
| HIERARCH ESO ISS PBL34 START | 60.749 |
| HIERARCH ESO ISS PBL34 END | 61.08 |
| HIERARCH ESO ISS PBLA34 START | 104.309 |
| HIERARCH ESO ISS PBLA34 END | 105.013 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007181 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005769 |
| HIERARCH ESO ISS AMBI TEMP | 15.74 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |