Exposure
- ID
- GRAVI.2025-05-14T04:15:44.741_2
- Header ID
- GRAVI.2025-05-14T04:15:44.741
- Date updated
- 2025-05-14 06:24:44 UTC+0000
- Release date
- 2025-05-14 04:15:44 UTC+0000
- UTC Start
- 2025-05-14 04:15:44.741
- UTC End
- 2025-05-14 04:21:44.741
- MJD Start
- 60809.17760117
- MJD End
- 60809.181767836664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00385
- Ambient temperature (°C)
- 15.75
- Seeing (arcsec)
- 1.06
Observation
- ID
- 67207
- Category
- calibrator
- Program ID
- 115.27WT.001
- 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 | 56.2600 | 56.2730 | 4.9000 | 5.8000 |
| U1-U3 | 100.9910 | 101.0670 | 10.0000 | 11.1000 |
| U1-U4 | 118.3020 | 119.0680 | 34.8980 | 36.1980 |
| U2-U3 | 45.2460 | 45.3270 | 16.5000 | 17.6000 |
| U2-U4 | 75.0800 | 76.0730 | 56.9290 | 58.1890 |
| U3-U4 | 50.1400 | 51.0410 | 92.7690 | 93.4950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60809.17760117 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416848 |
| DEC | -29.00646 |
| 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 | 56.26 |
| HIERARCH ESO ISS PBL12 END | 56.273 |
| HIERARCH ESO ISS PBLA12 START | 4.9 |
| HIERARCH ESO ISS PBLA12 END | 5.8 |
| HIERARCH ESO ISS PBL13 START | 100.991 |
| HIERARCH ESO ISS PBL13 END | 101.067 |
| HIERARCH ESO ISS PBLA13 START | 10.0 |
| HIERARCH ESO ISS PBLA13 END | 11.1 |
| HIERARCH ESO ISS PBL14 START | 118.302 |
| HIERARCH ESO ISS PBL14 END | 119.068 |
| HIERARCH ESO ISS PBLA14 START | 34.898 |
| HIERARCH ESO ISS PBLA14 END | 36.198 |
| HIERARCH ESO ISS PBL23 START | 45.246 |
| HIERARCH ESO ISS PBL23 END | 45.327 |
| HIERARCH ESO ISS PBLA23 START | 16.5 |
| HIERARCH ESO ISS PBLA23 END | 17.6 |
| HIERARCH ESO ISS PBL24 START | 75.08 |
| HIERARCH ESO ISS PBL24 END | 76.073 |
| HIERARCH ESO ISS PBLA24 START | 56.929 |
| HIERARCH ESO ISS PBLA24 END | 58.189 |
| HIERARCH ESO ISS PBL34 START | 50.14 |
| HIERARCH ESO ISS PBL34 END | 51.041 |
| HIERARCH ESO ISS PBLA34 START | 92.769 |
| HIERARCH ESO ISS PBLA34 END | 93.495 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004134 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003566 |
| HIERARCH ESO ISS AMBI TEMP | 15.75 |
| HIERARCH ESO ISS AMBI FWHM START | 1.03 |
| HIERARCH ESO ISS AMBI FWHM END | 1.09 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.099 |
| HIERARCH ESO FT ROBJ DELTA | -290027.653 |