Exposure
- ID
- GRAVI.2025-03-15T09:49:10.402_2
- Header ID
- GRAVI.2025-03-15T09:49:10.402
- Date updated
- 2025-03-15 10:05:45 UTC+0000
- Release date
- 2026-03-15 10:05:45 UTC+0000
- UTC Start
- 2025-03-15 09:49:10.402
- UTC End
- 2025-03-15 09:55:10.402
- MJD Start
- 60749.40914817
- MJD End
- 60749.41331483667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035755
- Ambient temperature (°C)
- 13.46
- Seeing (arcsec)
- 1.2000000000000002
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 | 56.5380 | 56.5490 | 18.2000 | 19.1000 |
| U1-U3 | 102.2700 | 102.3240 | 24.4000 | 25.2000 |
| U1-U4 | 128.2550 | 128.6700 | 51.7980 | 52.7280 |
| U2-U3 | 46.4470 | 46.4990 | 31.8000 | 32.7000 |
| U2-U4 | 86.9470 | 87.4180 | 72.8620 | 73.7410 |
| U3-U4 | 60.2050 | 60.5880 | 103.2940 | 103.9920 |
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 | 60749.40914817 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417385 |
| DEC | -29.00765 |
| 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 | 56.538 |
| HIERARCH ESO ISS PBL12 END | 56.549 |
| HIERARCH ESO ISS PBLA12 START | 18.2 |
| HIERARCH ESO ISS PBLA12 END | 19.1 |
| HIERARCH ESO ISS PBL13 START | 102.27 |
| HIERARCH ESO ISS PBL13 END | 102.324 |
| HIERARCH ESO ISS PBLA13 START | 24.4 |
| HIERARCH ESO ISS PBLA13 END | 25.2 |
| HIERARCH ESO ISS PBL14 START | 128.255 |
| HIERARCH ESO ISS PBL14 END | 128.67 |
| HIERARCH ESO ISS PBLA14 START | 51.798 |
| HIERARCH ESO ISS PBLA14 END | 52.728 |
| HIERARCH ESO ISS PBL23 START | 46.447 |
| HIERARCH ESO ISS PBL23 END | 46.499 |
| HIERARCH ESO ISS PBLA23 START | 31.8 |
| HIERARCH ESO ISS PBLA23 END | 32.7 |
| HIERARCH ESO ISS PBL24 START | 86.947 |
| HIERARCH ESO ISS PBL24 END | 87.418 |
| HIERARCH ESO ISS PBLA24 START | 72.862 |
| HIERARCH ESO ISS PBLA24 END | 73.741 |
| HIERARCH ESO ISS PBL34 START | 60.205 |
| HIERARCH ESO ISS PBL34 END | 60.588 |
| HIERARCH ESO ISS PBLA34 START | 103.294 |
| HIERARCH ESO ISS PBLA34 END | 103.992 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004033 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003118 |
| HIERARCH ESO ISS AMBI TEMP | 13.46 |
| HIERARCH ESO ISS AMBI FWHM START | 1.1 |
| HIERARCH ESO ISS AMBI FWHM END | 1.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |