Exposure
- ID
- GRAVI.2025-07-07T03:35:58.020_2
- Header ID
- GRAVI.2025-07-07T03:35:58.020
- Date updated
- 2025-07-07 03:55:38 UTC+0000
- Release date
- 2026-07-07 03:55:38 UTC+0000
- UTC Start
- 2025-07-07 03:35:58.020
- UTC End
- 2025-07-07 03:41:58.020
- MJD Start
- 60863.14997708
- MJD End
- 60863.154143746666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008496
- Ambient temperature (°C)
- 14.23
- Seeing (arcsec)
- 0.46499999999999997
Observation
- ID
- 68254
- Category
- science
- Program ID
- 115.27WT.003
- 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
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 56.3630 | 56.3060 | 27.0000 | 27.7000 |
| U1-U3 | 102.0860 | 101.9620 | 33.4000 | 34.0000 |
| U1-U4 | 129.9230 | 129.7050 | 61.4760 | 62.2050 |
| U2-U3 | 46.4920 | 46.4250 | 41.1000 | 41.8000 |
| U2-U4 | 89.3430 | 89.2200 | 82.3930 | 83.1640 |
| U3-U4 | 62.4710 | 62.4500 | 111.8120 | 112.6010 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60863.14997708 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41636 |
| DEC | -29.00734 |
| 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 | 56.363 |
| HIERARCH ESO ISS PBL12 END | 56.306 |
| HIERARCH ESO ISS PBLA12 START | 27.0 |
| HIERARCH ESO ISS PBLA12 END | 27.7 |
| HIERARCH ESO ISS PBL13 START | 102.086 |
| HIERARCH ESO ISS PBL13 END | 101.962 |
| HIERARCH ESO ISS PBLA13 START | 33.4 |
| HIERARCH ESO ISS PBLA13 END | 34.0 |
| HIERARCH ESO ISS PBL14 START | 129.923 |
| HIERARCH ESO ISS PBL14 END | 129.705 |
| HIERARCH ESO ISS PBLA14 START | 61.476 |
| HIERARCH ESO ISS PBLA14 END | 62.205 |
| HIERARCH ESO ISS PBL23 START | 46.492 |
| HIERARCH ESO ISS PBL23 END | 46.425 |
| HIERARCH ESO ISS PBLA23 START | 41.1 |
| HIERARCH ESO ISS PBLA23 END | 41.8 |
| HIERARCH ESO ISS PBL24 START | 89.343 |
| HIERARCH ESO ISS PBL24 END | 89.22 |
| HIERARCH ESO ISS PBLA24 START | 82.393 |
| HIERARCH ESO ISS PBLA24 END | 83.164 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.45 |
| HIERARCH ESO ISS PBLA34 START | 111.812 |
| HIERARCH ESO ISS PBLA34 END | 112.601 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007273 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009719 |
| HIERARCH ESO ISS AMBI TEMP | 14.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.44 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |