Exposure
- ID
- GRAVI.2023-01-15T23:15:49.691_2
- Header ID
- GRAVI.2023-01-15T23:15:49.691
- Date updated
- 2023-01-15 23:22:05 UTC+0000
- Release date
- 2023-01-15 23:22:05 UTC+0000
- UTC Start
- 2023-01-15 23:15:49.691
- UTC End
- 2023-01-15 23:15:59.291
- MJD Start
- 59959.96932513
- MJD End
- 59959.9694362411
- Exposure time (s)
- 9.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001792
- Ambient temperature (°C)
- 13.54
- Seeing (arcsec)
- 1.48
Observation
- ID
- 53823
- Category
- science
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY, P
Target
- ID
- 40010
- Name
- twilight_sky
- RA
- 34.7441666666667
- DEC
- -21.6397219444444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 B2 D0 C1
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 23.9990 | 24.0080 | 135.5000 | 135.5000 |
| A0-D0 | 31.9270 | 31.9310 | 63.6000 | 63.7000 |
| A0-C1 | 21.7940 | 21.8030 | 107.8560 | 107.9230 |
| B2-D0 | 33.4360 | 33.4330 | 20.6000 | 20.7000 |
| B2-C1 | 11.1370 | 11.1360 | 20.5780 | 20.6380 |
| D0-C1 | 22.2990 | 22.2960 | 200.6400 | 200.7000 |
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 | 59959.96932513 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | LEDA 825673 |
| HIERARCH ESO INS SOBJ NAME | twilight_sky |
| RA | 46.004167 |
| DEC | -40.00072 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 32.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 23.999 |
| HIERARCH ESO ISS PBL12 END | 24.008 |
| HIERARCH ESO ISS PBLA12 START | 135.5 |
| HIERARCH ESO ISS PBLA12 END | 135.5 |
| HIERARCH ESO ISS PBL13 START | 31.927 |
| HIERARCH ESO ISS PBL13 END | 31.931 |
| HIERARCH ESO ISS PBLA13 START | 63.6 |
| HIERARCH ESO ISS PBLA13 END | 63.7 |
| HIERARCH ESO ISS PBL14 START | 21.794 |
| HIERARCH ESO ISS PBL14 END | 21.803 |
| HIERARCH ESO ISS PBLA14 START | 107.856 |
| HIERARCH ESO ISS PBLA14 END | 107.923 |
| HIERARCH ESO ISS PBL23 START | 33.436 |
| HIERARCH ESO ISS PBL23 END | 33.433 |
| HIERARCH ESO ISS PBLA23 START | 20.6 |
| HIERARCH ESO ISS PBLA23 END | 20.7 |
| HIERARCH ESO ISS PBL24 START | 11.137 |
| HIERARCH ESO ISS PBL24 END | 11.136 |
| HIERARCH ESO ISS PBLA24 START | 20.578 |
| HIERARCH ESO ISS PBLA24 END | 20.638 |
| HIERARCH ESO ISS PBL34 START | 22.299 |
| HIERARCH ESO ISS PBL34 END | 22.296 |
| HIERARCH ESO ISS PBLA34 START | 200.64 |
| HIERARCH ESO ISS PBLA34 END | 200.7 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001792 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001792 |
| HIERARCH ESO ISS AMBI TEMP | 13.54 |
| HIERARCH ESO ISS AMBI FWHM START | 1.48 |
| HIERARCH ESO ISS AMBI FWHM END | 1.48 |
| HIERARCH ESO FT ROBJ NAME | twilight_sky |
| HIERARCH ESO FT ROBJ ALPHA | 021858.600 |
| HIERARCH ESO FT ROBJ DELTA | -213822.999 |