Exposure
- ID
- GRAVI.2023-01-15T23:20:55.704_2
- Header ID
- GRAVI.2023-01-15T23:20:55.704
- Date updated
- 2023-01-15 23:25:34 UTC+0000
- Release date
- 2023-01-15 23:25:34 UTC+0000
- UTC Start
- 2023-01-15 23:20:55.704
- UTC End
- 2023-01-15 23:21:05.304
- MJD Start
- 59959.97286695
- MJD End
- 59959.9729780611
- Exposure time (s)
- 9.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001792
- Ambient temperature (°C)
- 13.6
- 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 | 24.0930 | 24.1020 | 136.1000 | 136.1000 |
| A0-D0 | 31.9580 | 31.9600 | 64.5000 | 64.5000 |
| A0-C1 | 21.8900 | 21.8980 | 108.5930 | 108.6600 |
| B2-D0 | 33.4000 | 33.3960 | 21.3000 | 21.3000 |
| B2-C1 | 11.1250 | 11.1240 | 21.2360 | 21.2960 |
| D0-C1 | 22.2750 | 22.2720 | 201.2980 | 201.3580 |
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 | 59959.97286695 |
| 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 | 24.093 |
| HIERARCH ESO ISS PBL12 END | 24.102 |
| HIERARCH ESO ISS PBLA12 START | 136.1 |
| HIERARCH ESO ISS PBLA12 END | 136.1 |
| HIERARCH ESO ISS PBL13 START | 31.958 |
| HIERARCH ESO ISS PBL13 END | 31.96 |
| HIERARCH ESO ISS PBLA13 START | 64.5 |
| HIERARCH ESO ISS PBLA13 END | 64.5 |
| HIERARCH ESO ISS PBL14 START | 21.89 |
| HIERARCH ESO ISS PBL14 END | 21.898 |
| HIERARCH ESO ISS PBLA14 START | 108.593 |
| HIERARCH ESO ISS PBLA14 END | 108.66 |
| HIERARCH ESO ISS PBL23 START | 33.4 |
| HIERARCH ESO ISS PBL23 END | 33.396 |
| HIERARCH ESO ISS PBLA23 START | 21.3 |
| HIERARCH ESO ISS PBLA23 END | 21.3 |
| HIERARCH ESO ISS PBL24 START | 11.125 |
| HIERARCH ESO ISS PBL24 END | 11.124 |
| HIERARCH ESO ISS PBLA24 START | 21.236 |
| HIERARCH ESO ISS PBLA24 END | 21.296 |
| HIERARCH ESO ISS PBL34 START | 22.275 |
| HIERARCH ESO ISS PBL34 END | 22.272 |
| HIERARCH ESO ISS PBLA34 START | 201.298 |
| HIERARCH ESO ISS PBLA34 END | 201.358 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001792 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001792 |
| HIERARCH ESO ISS AMBI TEMP | 13.6 |
| 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 |