Exposure
- ID
- GRAVI.2025-05-13T03:34:10.284_2
- Header ID
- GRAVI.2025-05-13T03:34:10.284
- Date updated
- 2025-05-13 06:51:34 UTC+0000
- Release date
- 2025-05-13 03:34:10 UTC+0000
- UTC Start
- 2025-05-13 03:34:10.284
- UTC End
- 2025-05-13 03:40:10.284
- MJD Start
- 60808.14873014
- MJD End
- 60808.15289680666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007657
- Ambient temperature (°C)
- 17.26
- Seeing (arcsec)
- 0.495
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 | 56.2320 | 56.2290 | 358.3000 | 359.2000 |
| U1-U3 | 100.6410 | 100.6670 | 2.7000 | 3.8000 |
| U1-U4 | 113.1270 | 113.8100 | 24.8890 | 26.3940 |
| U2-U3 | 44.7910 | 44.8400 | 8.3000 | 9.5000 |
| U2-U4 | 67.7320 | 68.7860 | 46.7420 | 48.3390 |
| U3-U4 | 42.9250 | 44.0330 | 87.2140 | 88.0610 |
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 | 60808.14873014 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41625 |
| DEC | -29.00737 |
| 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 | 56.232 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 358.3 |
| HIERARCH ESO ISS PBLA12 END | 359.2 |
| HIERARCH ESO ISS PBL13 START | 100.641 |
| HIERARCH ESO ISS PBL13 END | 100.667 |
| HIERARCH ESO ISS PBLA13 START | 2.7 |
| HIERARCH ESO ISS PBLA13 END | 3.8 |
| HIERARCH ESO ISS PBL14 START | 113.127 |
| HIERARCH ESO ISS PBL14 END | 113.81 |
| HIERARCH ESO ISS PBLA14 START | 24.889 |
| HIERARCH ESO ISS PBLA14 END | 26.394 |
| HIERARCH ESO ISS PBL23 START | 44.791 |
| HIERARCH ESO ISS PBL23 END | 44.84 |
| HIERARCH ESO ISS PBLA23 START | 8.3 |
| HIERARCH ESO ISS PBLA23 END | 9.5 |
| HIERARCH ESO ISS PBL24 START | 67.732 |
| HIERARCH ESO ISS PBL24 END | 68.786 |
| HIERARCH ESO ISS PBLA24 START | 46.742 |
| HIERARCH ESO ISS PBLA24 END | 48.339 |
| HIERARCH ESO ISS PBL34 START | 42.925 |
| HIERARCH ESO ISS PBL34 END | 44.033 |
| HIERARCH ESO ISS PBLA34 START | 87.214 |
| HIERARCH ESO ISS PBLA34 END | 88.061 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008313 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007001 |
| HIERARCH ESO ISS AMBI TEMP | 17.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.099 |
| HIERARCH ESO FT ROBJ DELTA | -290027.653 |