Exposure
- ID
- GRAVI.2022-11-11T02:52:47.493_2
- Header ID
- GRAVI.2022-11-11T02:52:47.493
- Date updated
- 2022-11-11 03:01:20 UTC+0000
- Release date
- 2022-11-11 03:01:19 UTC+0000
- UTC Start
- 2022-11-11 02:52:47.493
- UTC End
- 2022-11-11 02:53:35.493
- MJD Start
- 59894.11999413
- MJD End
- 59894.1205496856
- Exposure time (s)
- 48.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002836
- Ambient temperature (°C)
- 10.98
- Seeing (arcsec)
- 0.635
Observation
- ID
- 53109
- Category
- science
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY, P
Target
- ID
- 34603
- Name
- Alpha_Psc_A
- RA
- 30.5117666666667
- DEC
- 2.76373055555556
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 | 49.9000 | 49.9520 | 25.8000 | 25.9000 |
| U1-U3 | 91.0000 | 91.1150 | 32.9000 | 33.0000 |
| U1-U4 | 122.2790 | 122.4580 | 62.5950 | 62.6260 |
| U2-U3 | 41.9420 | 42.0030 | 41.4000 | 41.5000 |
| U2-U4 | 87.5740 | 87.6540 | 82.5500 | 82.5440 |
| U3-U4 | 62.4300 | 62.4190 | 108.7920 | 108.7820 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59894.11999413 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | WDS_J02020+0246A |
| HIERARCH ESO INS SOBJ NAME | Alpha_Psc_B |
| RA | 30.513557 |
| DEC | 2.76388 |
| 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 | 64.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 49.9 |
| HIERARCH ESO ISS PBL12 END | 49.952 |
| HIERARCH ESO ISS PBLA12 START | 25.8 |
| HIERARCH ESO ISS PBLA12 END | 25.9 |
| HIERARCH ESO ISS PBL13 START | 91.0 |
| HIERARCH ESO ISS PBL13 END | 91.115 |
| HIERARCH ESO ISS PBLA13 START | 32.9 |
| HIERARCH ESO ISS PBLA13 END | 33.0 |
| HIERARCH ESO ISS PBL14 START | 122.279 |
| HIERARCH ESO ISS PBL14 END | 122.458 |
| HIERARCH ESO ISS PBLA14 START | 62.595 |
| HIERARCH ESO ISS PBLA14 END | 62.626 |
| HIERARCH ESO ISS PBL23 START | 41.942 |
| HIERARCH ESO ISS PBL23 END | 42.003 |
| HIERARCH ESO ISS PBLA23 START | 41.4 |
| HIERARCH ESO ISS PBLA23 END | 41.5 |
| HIERARCH ESO ISS PBL24 START | 87.574 |
| HIERARCH ESO ISS PBL24 END | 87.654 |
| HIERARCH ESO ISS PBLA24 START | 82.55 |
| HIERARCH ESO ISS PBLA24 END | 82.544 |
| HIERARCH ESO ISS PBL34 START | 62.43 |
| HIERARCH ESO ISS PBL34 END | 62.419 |
| HIERARCH ESO ISS PBLA34 START | 108.792 |
| HIERARCH ESO ISS PBLA34 END | 108.782 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002838 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002834 |
| HIERARCH ESO ISS AMBI TEMP | 10.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | Alpha_Psc_A |
| HIERARCH ESO FT ROBJ ALPHA | 020202.824 |
| HIERARCH ESO FT ROBJ DELTA | 024549.430 |