Exposure
- ID
- GRAVI.2025-06-15T02:12:23.771_2
- Header ID
- GRAVI.2025-06-15T02:12:23.771
- Date updated
- 2025-06-15 02:30:12 UTC+0000
- Release date
- 2026-06-15 02:30:11 UTC+0000
- UTC Start
- 2025-06-15 02:12:23.771
- UTC End
- 2025-06-15 02:18:23.771
- MJD Start
- 60841.09194179
- MJD End
- 60841.096108456666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023075
- Ambient temperature (°C)
- 8.31
- Seeing (arcsec)
- 1.495
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 | 56.2650 | 56.2790 | 5.2000 | 6.1000 |
| U1-U3 | 101.0200 | 101.0980 | 10.4000 | 11.4000 |
| U1-U4 | 118.5950 | 119.3640 | 35.3960 | 36.6910 |
| U2-U3 | 45.2770 | 45.3590 | 16.9000 | 18.0000 |
| U2-U4 | 75.4620 | 76.4510 | 57.4130 | 58.6640 |
| U3-U4 | 50.4870 | 51.3790 | 93.0460 | 93.7710 |
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 | 60841.09194179 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417351 |
| DEC | -29.00778 |
| 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 | 56.265 |
| HIERARCH ESO ISS PBL12 END | 56.279 |
| HIERARCH ESO ISS PBLA12 START | 5.2 |
| HIERARCH ESO ISS PBLA12 END | 6.1 |
| HIERARCH ESO ISS PBL13 START | 101.02 |
| HIERARCH ESO ISS PBL13 END | 101.098 |
| HIERARCH ESO ISS PBLA13 START | 10.4 |
| HIERARCH ESO ISS PBLA13 END | 11.4 |
| HIERARCH ESO ISS PBL14 START | 118.595 |
| HIERARCH ESO ISS PBL14 END | 119.364 |
| HIERARCH ESO ISS PBLA14 START | 35.396 |
| HIERARCH ESO ISS PBLA14 END | 36.691 |
| HIERARCH ESO ISS PBL23 START | 45.277 |
| HIERARCH ESO ISS PBL23 END | 45.359 |
| HIERARCH ESO ISS PBLA23 START | 16.9 |
| HIERARCH ESO ISS PBLA23 END | 18.0 |
| HIERARCH ESO ISS PBL24 START | 75.462 |
| HIERARCH ESO ISS PBL24 END | 76.451 |
| HIERARCH ESO ISS PBLA24 START | 57.413 |
| HIERARCH ESO ISS PBLA24 END | 58.664 |
| HIERARCH ESO ISS PBL34 START | 50.487 |
| HIERARCH ESO ISS PBL34 END | 51.379 |
| HIERARCH ESO ISS PBLA34 START | 93.046 |
| HIERARCH ESO ISS PBLA34 END | 93.771 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002219 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002396 |
| HIERARCH ESO ISS AMBI TEMP | 8.31 |
| HIERARCH ESO ISS AMBI FWHM START | 1.45 |
| HIERARCH ESO ISS AMBI FWHM END | 1.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |