Exposure
- ID
- GRAVI.2025-06-10T02:42:11.082_2
- Header ID
- GRAVI.2025-06-10T02:42:11.082
- Date updated
- 2025-06-10 03:00:45 UTC+0000
- Release date
- 2026-06-10 03:00:44 UTC+0000
- UTC Start
- 2025-06-10 02:42:11.082
- UTC End
- 2025-06-10 02:48:11.082
- MJD Start
- 60836.11262826
- MJD End
- 60836.11679492667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039975
- Ambient temperature (°C)
- 13.57
- Seeing (arcsec)
- 0.645
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 | 56.2870 | 56.3040 | 6.7000 | 7.6000 |
| U1-U3 | 101.1450 | 101.2300 | 12.0000 | 13.0000 |
| U1-U4 | 119.8000 | 120.5630 | 37.4150 | 38.6670 |
| U2-U3 | 45.4060 | 45.4910 | 18.6000 | 19.7000 |
| U2-U4 | 77.0040 | 77.9600 | 59.3610 | 60.5560 |
| U3-U4 | 51.8720 | 52.7150 | 94.1820 | 94.8950 |
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 | 60836.11262826 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416543 |
| DEC | -29.00738 |
| 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 | 56.287 |
| HIERARCH ESO ISS PBL12 END | 56.304 |
| HIERARCH ESO ISS PBLA12 START | 6.7 |
| HIERARCH ESO ISS PBLA12 END | 7.6 |
| HIERARCH ESO ISS PBL13 START | 101.145 |
| HIERARCH ESO ISS PBL13 END | 101.23 |
| HIERARCH ESO ISS PBLA13 START | 12.0 |
| HIERARCH ESO ISS PBLA13 END | 13.0 |
| HIERARCH ESO ISS PBL14 START | 119.8 |
| HIERARCH ESO ISS PBL14 END | 120.563 |
| HIERARCH ESO ISS PBLA14 START | 37.415 |
| HIERARCH ESO ISS PBLA14 END | 38.667 |
| HIERARCH ESO ISS PBL23 START | 45.406 |
| HIERARCH ESO ISS PBL23 END | 45.491 |
| HIERARCH ESO ISS PBLA23 START | 18.6 |
| HIERARCH ESO ISS PBLA23 END | 19.7 |
| HIERARCH ESO ISS PBL24 START | 77.004 |
| HIERARCH ESO ISS PBL24 END | 77.96 |
| HIERARCH ESO ISS PBLA24 START | 59.361 |
| HIERARCH ESO ISS PBLA24 END | 60.556 |
| HIERARCH ESO ISS PBL34 START | 51.872 |
| HIERARCH ESO ISS PBL34 END | 52.715 |
| HIERARCH ESO ISS PBLA34 START | 94.182 |
| HIERARCH ESO ISS PBLA34 END | 94.895 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003607 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004388 |
| HIERARCH ESO ISS AMBI TEMP | 13.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.66 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |