Exposure
- ID
- GRAVI.2025-07-12T05:22:02.784_2
- Header ID
- GRAVI.2025-07-12T05:22:02.784
- Date updated
- 2025-07-12 05:41:07 UTC+0000
- Release date
- 2026-07-12 05:41:06 UTC+0000
- UTC Start
- 2025-07-12 05:22:02.784
- UTC End
- 2025-07-12 05:28:02.784
- MJD Start
- 60868.22364333
- MJD End
- 60868.227809996664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002004
- Ambient temperature (°C)
- 10.18
- Seeing (arcsec)
- 1.14
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 | 53.2690 | 52.9760 | 37.5000 | 37.8000 |
| U1-U3 | 94.9400 | 94.2660 | 43.7000 | 44.1000 |
| U1-U4 | 113.5710 | 112.0230 | 73.8890 | 74.4520 |
| U2-U3 | 42.3920 | 42.0050 | 51.6000 | 52.0000 |
| U2-U4 | 77.4680 | 76.3520 | 97.9900 | 98.8990 |
| U3-U4 | 57.1510 | 56.6700 | 130.4570 | 131.6640 |
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 | 60868.22364333 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417648 |
| DEC | -29.00781 |
| 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 | 53.269 |
| HIERARCH ESO ISS PBL12 END | 52.976 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.8 |
| HIERARCH ESO ISS PBL13 START | 94.94 |
| HIERARCH ESO ISS PBL13 END | 94.266 |
| HIERARCH ESO ISS PBLA13 START | 43.7 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.571 |
| HIERARCH ESO ISS PBL14 END | 112.023 |
| HIERARCH ESO ISS PBLA14 START | 73.889 |
| HIERARCH ESO ISS PBLA14 END | 74.452 |
| HIERARCH ESO ISS PBL23 START | 42.392 |
| HIERARCH ESO ISS PBL23 END | 42.005 |
| HIERARCH ESO ISS PBLA23 START | 51.6 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 77.468 |
| HIERARCH ESO ISS PBL24 END | 76.352 |
| HIERARCH ESO ISS PBLA24 START | 97.99 |
| HIERARCH ESO ISS PBLA24 END | 98.899 |
| HIERARCH ESO ISS PBL34 START | 57.151 |
| HIERARCH ESO ISS PBL34 END | 56.67 |
| HIERARCH ESO ISS PBLA34 START | 130.457 |
| HIERARCH ESO ISS PBLA34 END | 131.664 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002004 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002004 |
| HIERARCH ESO ISS AMBI TEMP | 10.18 |
| HIERARCH ESO ISS AMBI FWHM START | 1.14 |
| HIERARCH ESO ISS AMBI FWHM END | 1.14 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |