Exposure
- ID
- GRAVI.2023-07-29T04:48:46.434_2
- Header ID
- GRAVI.2023-07-29T04:48:46.434
- Date updated
- 2023-07-29 05:01:09 UTC+0000
- Release date
- 2023-07-29 05:01:09 UTC+0000
- UTC Start
- 2023-07-29 04:48:46.434
- UTC End
- 2023-07-29 04:54:06.434
- MJD Start
- 60154.20053743
- MJD End
- 60154.2042411337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0139545
- Ambient temperature (°C)
- 16.3
- Seeing (arcsec)
- 0.74
Observation
- ID
- 56450
- Category
- science
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY, P
Target
- ID
- 41834
- Name
- P2475_A
- RA
- 306.667825
- DEC
- -39.9238966666667
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 | 54.8560 | 54.7320 | 27.5000 | 28.1000 |
| U1-U3 | 99.6610 | 99.4020 | 33.9000 | 34.6000 |
| U1-U4 | 128.8350 | 128.4980 | 62.0480 | 62.8790 |
| U2-U3 | 45.5790 | 45.4490 | 41.8000 | 42.5000 |
| U2-U4 | 89.2840 | 89.1710 | 82.4610 | 83.3620 |
| U3-U4 | 62.2870 | 62.3620 | 110.9690 | 111.8520 |
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 | 60154.20053743 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | P2475_B |
| HIERARCH ESO INS SOBJ NAME | P2475_B |
| RA | 306.665284 |
| DEC | -39.92155 |
| 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 | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 54.856 |
| HIERARCH ESO ISS PBL12 END | 54.732 |
| HIERARCH ESO ISS PBLA12 START | 27.5 |
| HIERARCH ESO ISS PBLA12 END | 28.1 |
| HIERARCH ESO ISS PBL13 START | 99.661 |
| HIERARCH ESO ISS PBL13 END | 99.402 |
| HIERARCH ESO ISS PBLA13 START | 33.9 |
| HIERARCH ESO ISS PBLA13 END | 34.6 |
| HIERARCH ESO ISS PBL14 START | 128.835 |
| HIERARCH ESO ISS PBL14 END | 128.498 |
| HIERARCH ESO ISS PBLA14 START | 62.048 |
| HIERARCH ESO ISS PBLA14 END | 62.879 |
| HIERARCH ESO ISS PBL23 START | 45.579 |
| HIERARCH ESO ISS PBL23 END | 45.449 |
| HIERARCH ESO ISS PBLA23 START | 41.8 |
| HIERARCH ESO ISS PBLA23 END | 42.5 |
| HIERARCH ESO ISS PBL24 START | 89.284 |
| HIERARCH ESO ISS PBL24 END | 89.171 |
| HIERARCH ESO ISS PBLA24 START | 82.461 |
| HIERARCH ESO ISS PBLA24 END | 83.362 |
| HIERARCH ESO ISS PBL34 START | 62.287 |
| HIERARCH ESO ISS PBL34 END | 62.362 |
| HIERARCH ESO ISS PBLA34 START | 110.969 |
| HIERARCH ESO ISS PBLA34 END | 111.852 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.013336 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.014573 |
| HIERARCH ESO ISS AMBI TEMP | 16.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.72 |
| HIERARCH ESO FT ROBJ NAME | P2475_A |
| HIERARCH ESO FT ROBJ ALPHA | 202640.278 |
| HIERARCH ESO FT ROBJ DELTA | -395526.028 |