Exposure
- ID
- GRAVI.2025-06-15T02:45:02.854_2
- Header ID
- GRAVI.2025-06-15T02:45:02.854
- Date updated
- 2025-06-15 03:00:36 UTC+0000
- Release date
- 2026-06-15 03:00:36 UTC+0000
- UTC Start
- 2025-06-15 02:45:02.854
- UTC End
- 2025-06-15 02:51:02.854
- MJD Start
- 60841.11461636
- MJD End
- 60841.118783026664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001959
- Ambient temperature (°C)
- 8.39
- Seeing (arcsec)
- 1.6949999999999998
Observation
- ID
- 67873
- Category
- science
- Program ID
- 115.27WT.002
- 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
- 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 | 56.3520 | 56.3730 | 9.9000 | 10.8000 |
| U1-U3 | 101.4560 | 101.5490 | 15.5000 | 16.4000 |
| U1-U4 | 122.4170 | 123.1350 | 41.6550 | 42.8070 |
| U2-U3 | 45.7080 | 45.7950 | 22.4000 | 23.4000 |
| U2-U4 | 80.2200 | 81.0740 | 63.3790 | 64.4600 |
| U3-U4 | 54.6630 | 55.3860 | 96.6360 | 97.3270 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60841.11461636 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417345 |
| DEC | -29.00779 |
| 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 | 56.352 |
| HIERARCH ESO ISS PBL12 END | 56.373 |
| HIERARCH ESO ISS PBLA12 START | 9.9 |
| HIERARCH ESO ISS PBLA12 END | 10.8 |
| HIERARCH ESO ISS PBL13 START | 101.456 |
| HIERARCH ESO ISS PBL13 END | 101.549 |
| HIERARCH ESO ISS PBLA13 START | 15.5 |
| HIERARCH ESO ISS PBLA13 END | 16.4 |
| HIERARCH ESO ISS PBL14 START | 122.417 |
| HIERARCH ESO ISS PBL14 END | 123.135 |
| HIERARCH ESO ISS PBLA14 START | 41.655 |
| HIERARCH ESO ISS PBLA14 END | 42.807 |
| HIERARCH ESO ISS PBL23 START | 45.708 |
| HIERARCH ESO ISS PBL23 END | 45.795 |
| HIERARCH ESO ISS PBLA23 START | 22.4 |
| HIERARCH ESO ISS PBLA23 END | 23.4 |
| HIERARCH ESO ISS PBL24 START | 80.22 |
| HIERARCH ESO ISS PBL24 END | 81.074 |
| HIERARCH ESO ISS PBLA24 START | 63.379 |
| HIERARCH ESO ISS PBLA24 END | 64.46 |
| HIERARCH ESO ISS PBL34 START | 54.663 |
| HIERARCH ESO ISS PBL34 END | 55.386 |
| HIERARCH ESO ISS PBLA34 START | 96.636 |
| HIERARCH ESO ISS PBLA34 END | 97.327 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001959 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001959 |
| HIERARCH ESO ISS AMBI TEMP | 8.39 |
| HIERARCH ESO ISS AMBI FWHM START | 1.64 |
| HIERARCH ESO ISS AMBI FWHM END | 1.75 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |