Exposure
- ID
- GRAVI.2025-03-18T09:38:56.169_2
- Header ID
- GRAVI.2025-03-18T09:38:56.169
- Date updated
- 2025-03-18 09:55:48 UTC+0000
- Release date
- 2026-03-18 09:55:47 UTC+0000
- UTC Start
- 2025-03-18 09:38:56.169
- UTC End
- 2025-03-18 09:44:56.169
- MJD Start
- 60752.40203899
- MJD End
- 60752.40620565667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006665
- Ambient temperature (°C)
- 15.8
- Seeing (arcsec)
- 0.565
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 | 56.5410 | 56.5510 | 18.4000 | 19.3000 |
| U1-U3 | 102.2840 | 102.3360 | 24.6000 | 25.4000 |
| U1-U4 | 128.3580 | 128.7620 | 52.0240 | 52.9470 |
| U2-U3 | 46.4600 | 46.5110 | 32.0000 | 32.9000 |
| U2-U4 | 87.0640 | 87.5240 | 73.0750 | 73.9500 |
| U3-U4 | 60.3000 | 60.6740 | 103.4620 | 104.1600 |
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 | 60752.40203899 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417183 |
| DEC | -29.00786 |
| 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 | 56.541 |
| HIERARCH ESO ISS PBL12 END | 56.551 |
| HIERARCH ESO ISS PBLA12 START | 18.4 |
| HIERARCH ESO ISS PBLA12 END | 19.3 |
| HIERARCH ESO ISS PBL13 START | 102.284 |
| HIERARCH ESO ISS PBL13 END | 102.336 |
| HIERARCH ESO ISS PBLA13 START | 24.6 |
| HIERARCH ESO ISS PBLA13 END | 25.4 |
| HIERARCH ESO ISS PBL14 START | 128.358 |
| HIERARCH ESO ISS PBL14 END | 128.762 |
| HIERARCH ESO ISS PBLA14 START | 52.024 |
| HIERARCH ESO ISS PBLA14 END | 52.947 |
| HIERARCH ESO ISS PBL23 START | 46.46 |
| HIERARCH ESO ISS PBL23 END | 46.511 |
| HIERARCH ESO ISS PBLA23 START | 32.0 |
| HIERARCH ESO ISS PBLA23 END | 32.9 |
| HIERARCH ESO ISS PBL24 START | 87.064 |
| HIERARCH ESO ISS PBL24 END | 87.524 |
| HIERARCH ESO ISS PBLA24 START | 73.075 |
| HIERARCH ESO ISS PBLA24 END | 73.95 |
| HIERARCH ESO ISS PBL34 START | 60.3 |
| HIERARCH ESO ISS PBL34 END | 60.674 |
| HIERARCH ESO ISS PBLA34 START | 103.462 |
| HIERARCH ESO ISS PBLA34 END | 104.16 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006698 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006632 |
| HIERARCH ESO ISS AMBI TEMP | 15.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |