Exposure
- ID
- GRAVI.2022-02-22T05:22:43.981_1
- Header ID
- GRAVI.2022-02-22T05:22:43.981
- Date updated
- 2022-02-22 05:31:16 UTC+0000
- Release date
- 2022-02-22 05:22:43 UTC+0000
- UTC Start
- 2022-02-22 05:22:43.981
- UTC End
- 2022-02-22 05:26:43.981
- MJD Start
- 59632.22412015
- MJD End
- 59632.2268979278
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042315
- Ambient temperature (°C)
- 12.86
- Seeing (arcsec)
- 0.965
Observation
- ID
- 49586
- 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
- 37112
- Name
- Empty
- RA
- 179.397572
- DEC
- 28.55534
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 32.5390 | 32.9470 | 32.3000 | 32.9000 |
| U1-U3 | 61.3290 | 62.2420 | 42.8000 | 43.2000 |
| U1-U4 | 102.7880 | 104.0520 | 76.9520 | 76.6080 |
| U2-U3 | 29.9150 | 30.3880 | 54.1000 | 54.3000 |
| U2-U4 | 82.8480 | 83.3890 | 92.9720 | 92.4460 |
| U3-U4 | 62.4360 | 62.3960 | 110.4610 | 109.9660 |
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 | 59632.22412015 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 103846 |
| HIERARCH ESO INS SOBJ NAME | Empty |
| RA | 179.397572 |
| DEC | 28.55534 |
| 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 | 32.539 |
| HIERARCH ESO ISS PBL12 END | 32.947 |
| HIERARCH ESO ISS PBLA12 START | 32.3 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 61.329 |
| HIERARCH ESO ISS PBL13 END | 62.242 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 102.788 |
| HIERARCH ESO ISS PBL14 END | 104.052 |
| HIERARCH ESO ISS PBLA14 START | 76.952 |
| HIERARCH ESO ISS PBLA14 END | 76.608 |
| HIERARCH ESO ISS PBL23 START | 29.915 |
| HIERARCH ESO ISS PBL23 END | 30.388 |
| HIERARCH ESO ISS PBLA23 START | 54.1 |
| HIERARCH ESO ISS PBLA23 END | 54.3 |
| HIERARCH ESO ISS PBL24 START | 82.848 |
| HIERARCH ESO ISS PBL24 END | 83.389 |
| HIERARCH ESO ISS PBLA24 START | 92.972 |
| HIERARCH ESO ISS PBLA24 END | 92.446 |
| HIERARCH ESO ISS PBL34 START | 62.436 |
| HIERARCH ESO ISS PBL34 END | 62.396 |
| HIERARCH ESO ISS PBLA34 START | 110.461 |
| HIERARCH ESO ISS PBLA34 END | 109.966 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004765 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003698 |
| HIERARCH ESO ISS AMBI TEMP | 12.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 1.11 |
| HIERARCH ESO FT ROBJ NAME | HD_103846 |
| HIERARCH ESO FT ROBJ ALPHA | 115734.963 |
| HIERARCH ESO FT ROBJ DELTA | 283318.590 |