Exposure
- ID
- GRAVI.2025-03-18T08:18:10.963_2
- Header ID
- GRAVI.2025-03-18T08:18:10.963
- Date updated
- 2025-03-18 08:35:33 UTC+0000
- Release date
- 2025-03-18 08:18:10 UTC+0000
- UTC Start
- 2025-03-18 08:18:10.963
- UTC End
- 2025-03-18 08:24:10.963
- MJD Start
- 60752.34596022
- MJD End
- 60752.35012688667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007289500000000001
- Ambient temperature (°C)
- 15.72
- Seeing (arcsec)
- 0.44999999999999996
Observation
- ID
- 65078
- Category
- calibrator
- Program ID
- 114.270V.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 / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
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 | 56.3020 | 56.3200 | 7.5000 | 8.4000 |
| U1-U3 | 101.2210 | 101.3090 | 12.9000 | 13.9000 |
| U1-U4 | 120.4800 | 121.2360 | 38.5320 | 39.7570 |
| U2-U3 | 45.4820 | 45.5680 | 19.6000 | 20.7000 |
| U2-U4 | 77.8560 | 78.7890 | 60.4270 | 61.5900 |
| U3-U4 | 52.6240 | 53.4360 | 94.8170 | 95.5230 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60752.34596022 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417228 |
| DEC | -29.00783 |
| 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 | 56.302 |
| HIERARCH ESO ISS PBL12 END | 56.32 |
| HIERARCH ESO ISS PBLA12 START | 7.5 |
| HIERARCH ESO ISS PBLA12 END | 8.4 |
| HIERARCH ESO ISS PBL13 START | 101.221 |
| HIERARCH ESO ISS PBL13 END | 101.309 |
| HIERARCH ESO ISS PBLA13 START | 12.9 |
| HIERARCH ESO ISS PBLA13 END | 13.9 |
| HIERARCH ESO ISS PBL14 START | 120.48 |
| HIERARCH ESO ISS PBL14 END | 121.236 |
| HIERARCH ESO ISS PBLA14 START | 38.532 |
| HIERARCH ESO ISS PBLA14 END | 39.757 |
| HIERARCH ESO ISS PBL23 START | 45.482 |
| HIERARCH ESO ISS PBL23 END | 45.568 |
| HIERARCH ESO ISS PBLA23 START | 19.6 |
| HIERARCH ESO ISS PBLA23 END | 20.7 |
| HIERARCH ESO ISS PBL24 START | 77.856 |
| HIERARCH ESO ISS PBL24 END | 78.789 |
| HIERARCH ESO ISS PBLA24 START | 60.427 |
| HIERARCH ESO ISS PBLA24 END | 61.59 |
| HIERARCH ESO ISS PBL34 START | 52.624 |
| HIERARCH ESO ISS PBL34 END | 53.436 |
| HIERARCH ESO ISS PBLA34 START | 94.817 |
| HIERARCH ESO ISS PBLA34 END | 95.523 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007113 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007466 |
| HIERARCH ESO ISS AMBI TEMP | 15.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.099 |
| HIERARCH ESO FT ROBJ DELTA | -290027.653 |