Exposure
- ID
- GRAVI.2024-07-02T08:46:35.218_2
- Header ID
- GRAVI.2024-07-02T08:46:35.218
- Date updated
- 2024-07-02 09:00:50 UTC+0000
- Release date
- 2025-07-02 09:00:49 UTC+0000
- UTC Start
- 2024-07-02 08:46:35.218
- UTC End
- 2024-07-02 08:50:35.218
- MJD Start
- 60493.36568539
- MJD End
- 60493.3684631678
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0092615
- Ambient temperature (°C)
- 13.86
- Seeing (arcsec)
- 0.43
Observation
- ID
- 59850
- Category
- science
- Program ID
- 113.26MN.001
- Program Title
- CAN GRAVITY-WIDE ON THE ATS BE USED TO RESOLVE AGN?
- Program Type
- Normal
- PI / COI
- TRISTRAM
Target
- ID
- 44405
- Name
- TYC_1151-482-1
- RA
- 338.127325
- DEC
- 8.21004111111111
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 86.4640 | 85.9860 | 112.1000 | 112.1000 |
| A0-J2 | 128.7060 | 128.4640 | 91.8000 | 91.7000 |
| A0-K0 | 127.1130 | 127.3600 | 73.5270 | 73.4020 |
| G1-J2 | 56.2470 | 56.4840 | 59.7000 | 59.6000 |
| G1-K0 | 80.3380 | 80.7420 | 31.3460 | 31.6580 |
| J2-K0 | 40.7530 | 40.6730 | 350.4690 | 351.0060 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26MN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60493.36568539 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | Akn 557 |
| HIERARCH ESO INS SOBJ NAME | Akn_557 |
| RA | 338.127878 |
| DEC | 8.20863 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 263.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 86.464 |
| HIERARCH ESO ISS PBL12 END | 85.986 |
| HIERARCH ESO ISS PBLA12 START | 112.1 |
| HIERARCH ESO ISS PBLA12 END | 112.1 |
| HIERARCH ESO ISS PBL13 START | 128.706 |
| HIERARCH ESO ISS PBL13 END | 128.464 |
| HIERARCH ESO ISS PBLA13 START | 91.8 |
| HIERARCH ESO ISS PBLA13 END | 91.7 |
| HIERARCH ESO ISS PBL14 START | 127.113 |
| HIERARCH ESO ISS PBL14 END | 127.36 |
| HIERARCH ESO ISS PBLA14 START | 73.527 |
| HIERARCH ESO ISS PBLA14 END | 73.402 |
| HIERARCH ESO ISS PBL23 START | 56.247 |
| HIERARCH ESO ISS PBL23 END | 56.484 |
| HIERARCH ESO ISS PBLA23 START | 59.7 |
| HIERARCH ESO ISS PBLA23 END | 59.6 |
| HIERARCH ESO ISS PBL24 START | 80.338 |
| HIERARCH ESO ISS PBL24 END | 80.742 |
| HIERARCH ESO ISS PBLA24 START | 31.346 |
| HIERARCH ESO ISS PBLA24 END | 31.658 |
| HIERARCH ESO ISS PBL34 START | 40.753 |
| HIERARCH ESO ISS PBL34 END | 40.673 |
| HIERARCH ESO ISS PBLA34 START | 350.469 |
| HIERARCH ESO ISS PBLA34 END | 351.006 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009156 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009367 |
| HIERARCH ESO ISS AMBI TEMP | 13.86 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | TYC_1151-482-1 |
| HIERARCH ESO FT ROBJ ALPHA | 223230.558 |
| HIERARCH ESO FT ROBJ DELTA | 081236.148 |