Exposure
- ID
- GRAVI.2022-02-22T07:40:47.329_1
- Header ID
- GRAVI.2022-02-22T07:40:47.329
- Date updated
- 2022-02-22 07:50:54 UTC+0000
- Release date
- 2022-02-22 07:40:47 UTC+0000
- UTC Start
- 2022-02-22 07:40:47.329
- UTC End
- 2022-02-22 07:44:47.329
- MJD Start
- 59632.31999223
- MJD End
- 59632.3227700078
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0078055
- Ambient temperature (°C)
- 11.25
- Seeing (arcsec)
- 0.65
Observation
- ID
- 49594
- Category
- calibrator
- Program ID
- 108.221C.001
- Program Title
- RESOLVING THE MAS-SCALE RELATIVISTIC JET AND THE ACCRETION DISK OF A BLAZAR IN NEAR INFRARED
- Program Type
- Normal
- PI / COI
- HOVATTA/ LINDFORS/ KORHONEN/ KHARB/ WITTKOWSKI/ PURSIMO
Target
- ID
- 37120
- Name
- Empty
- RA
- 179.397729
- DEC
- 28.55541
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 45.7280 | 46.0830 | 41.0000 | 41.0000 |
| U1-U3 | 87.4310 | 88.0560 | 46.2000 | 46.1000 |
| U1-U4 | 128.5500 | 128.8420 | 64.5510 | 64.1050 |
| U2-U3 | 42.0940 | 42.3490 | 51.8000 | 51.6000 |
| U2-U4 | 88.5420 | 88.3310 | 76.4680 | 75.9260 |
| U3-U4 | 53.2620 | 52.7210 | 95.7170 | 95.2640 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.221C.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59632.31999223 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 103846 |
| HIERARCH ESO INS SOBJ NAME | Empty |
| RA | 179.397729 |
| DEC | 28.55541 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 45.728 |
| HIERARCH ESO ISS PBL12 END | 46.083 |
| HIERARCH ESO ISS PBLA12 START | 41.0 |
| HIERARCH ESO ISS PBLA12 END | 41.0 |
| HIERARCH ESO ISS PBL13 START | 87.431 |
| HIERARCH ESO ISS PBL13 END | 88.056 |
| HIERARCH ESO ISS PBLA13 START | 46.2 |
| HIERARCH ESO ISS PBLA13 END | 46.1 |
| HIERARCH ESO ISS PBL14 START | 128.55 |
| HIERARCH ESO ISS PBL14 END | 128.842 |
| HIERARCH ESO ISS PBLA14 START | 64.551 |
| HIERARCH ESO ISS PBLA14 END | 64.105 |
| HIERARCH ESO ISS PBL23 START | 42.094 |
| HIERARCH ESO ISS PBL23 END | 42.349 |
| HIERARCH ESO ISS PBLA23 START | 51.8 |
| HIERARCH ESO ISS PBLA23 END | 51.6 |
| HIERARCH ESO ISS PBL24 START | 88.542 |
| HIERARCH ESO ISS PBL24 END | 88.331 |
| HIERARCH ESO ISS PBLA24 START | 76.468 |
| HIERARCH ESO ISS PBLA24 END | 75.926 |
| HIERARCH ESO ISS PBL34 START | 53.262 |
| HIERARCH ESO ISS PBL34 END | 52.721 |
| HIERARCH ESO ISS PBLA34 START | 95.717 |
| HIERARCH ESO ISS PBLA34 END | 95.264 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008869 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006742 |
| HIERARCH ESO ISS AMBI TEMP | 11.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD_103846 |
| HIERARCH ESO FT ROBJ ALPHA | 115734.963 |
| HIERARCH ESO FT ROBJ DELTA | 283318.590 |