Exposure
- ID
- GRAVI.2025-07-07T03:02:51.936_2
- Header ID
- GRAVI.2025-07-07T03:02:51.936
- Date updated
- 2025-07-07 03:20:38 UTC+0000
- Release date
- 2025-07-07 03:02:51 UTC+0000
- UTC Start
- 2025-07-07 03:02:51.936
- UTC End
- 2025-07-07 03:08:51.936
- MJD Start
- 60863.12699
- MJD End
- 60863.13115666666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010179500000000001
- Ambient temperature (°C)
- 14.21
- Seeing (arcsec)
- 0.475
Observation
- ID
- 68251
- Category
- calibrator
- Program ID
- 115.27WT.003
- 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
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 56.5350 | 56.5160 | 23.3000 | 24.1000 |
| U1-U3 | 102.4210 | 102.3930 | 29.6000 | 30.4000 |
| U1-U4 | 130.0900 | 130.1780 | 57.4810 | 58.2890 |
| U2-U3 | 46.6410 | 46.6360 | 37.3000 | 38.1000 |
| U2-U4 | 89.1360 | 89.2840 | 78.3330 | 79.1360 |
| U3-U4 | 62.0520 | 62.2040 | 107.9150 | 108.6520 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60863.12699 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416167 |
| DEC | -29.00744 |
| 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 | 56.535 |
| HIERARCH ESO ISS PBL12 END | 56.516 |
| HIERARCH ESO ISS PBLA12 START | 23.3 |
| HIERARCH ESO ISS PBLA12 END | 24.1 |
| HIERARCH ESO ISS PBL13 START | 102.421 |
| HIERARCH ESO ISS PBL13 END | 102.393 |
| HIERARCH ESO ISS PBLA13 START | 29.6 |
| HIERARCH ESO ISS PBLA13 END | 30.4 |
| HIERARCH ESO ISS PBL14 START | 130.09 |
| HIERARCH ESO ISS PBL14 END | 130.178 |
| HIERARCH ESO ISS PBLA14 START | 57.481 |
| HIERARCH ESO ISS PBLA14 END | 58.289 |
| HIERARCH ESO ISS PBL23 START | 46.641 |
| HIERARCH ESO ISS PBL23 END | 46.636 |
| HIERARCH ESO ISS PBLA23 START | 37.3 |
| HIERARCH ESO ISS PBLA23 END | 38.1 |
| HIERARCH ESO ISS PBL24 START | 89.136 |
| HIERARCH ESO ISS PBL24 END | 89.284 |
| HIERARCH ESO ISS PBLA24 START | 78.333 |
| HIERARCH ESO ISS PBLA24 END | 79.136 |
| HIERARCH ESO ISS PBL34 START | 62.052 |
| HIERARCH ESO ISS PBL34 END | 62.204 |
| HIERARCH ESO ISS PBLA34 START | 107.915 |
| HIERARCH ESO ISS PBLA34 END | 108.652 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010612 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009747 |
| HIERARCH ESO ISS AMBI TEMP | 14.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |