Exposure
- ID
- GRAVI.2023-01-15T23:14:04.688_2
- Header ID
- GRAVI.2023-01-15T23:14:04.688
- Date updated
- 2023-01-15 23:19:16 UTC+0000
- Release date
- 2023-01-15 23:19:16 UTC+0000
- UTC Start
- 2023-01-15 23:14:04.688
- UTC End
- 2023-01-15 23:14:14.288
- MJD Start
- 59959.96810981
- MJD End
- 59959.9682209211
- Exposure time (s)
- 9.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001792
- Ambient temperature (°C)
- 13.49
- 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 | 23.9670 | 23.9750 | 135.3000 | 135.3000 |
| A0-D0 | 31.9160 | 31.9190 | 63.3000 | 63.4000 |
| A0-C1 | 21.7600 | 21.7690 | 107.6130 | 107.6730 |
| B2-D0 | 33.4480 | 33.4450 | 20.4000 | 20.5000 |
| B2-C1 | 11.1410 | 11.1400 | 20.3600 | 20.4140 |
| D0-C1 | 22.3060 | 22.3040 | 200.4220 | 200.4760 |
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 | 59959.96810981 |
| 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 | 23.967 |
| HIERARCH ESO ISS PBL12 END | 23.975 |
| HIERARCH ESO ISS PBLA12 START | 135.3 |
| HIERARCH ESO ISS PBLA12 END | 135.3 |
| HIERARCH ESO ISS PBL13 START | 31.916 |
| HIERARCH ESO ISS PBL13 END | 31.919 |
| HIERARCH ESO ISS PBLA13 START | 63.3 |
| HIERARCH ESO ISS PBLA13 END | 63.4 |
| HIERARCH ESO ISS PBL14 START | 21.76 |
| HIERARCH ESO ISS PBL14 END | 21.769 |
| HIERARCH ESO ISS PBLA14 START | 107.613 |
| HIERARCH ESO ISS PBLA14 END | 107.673 |
| HIERARCH ESO ISS PBL23 START | 33.448 |
| HIERARCH ESO ISS PBL23 END | 33.445 |
| HIERARCH ESO ISS PBLA23 START | 20.4 |
| HIERARCH ESO ISS PBLA23 END | 20.5 |
| HIERARCH ESO ISS PBL24 START | 11.141 |
| HIERARCH ESO ISS PBL24 END | 11.14 |
| HIERARCH ESO ISS PBLA24 START | 20.36 |
| HIERARCH ESO ISS PBLA24 END | 20.414 |
| HIERARCH ESO ISS PBL34 START | 22.306 |
| HIERARCH ESO ISS PBL34 END | 22.304 |
| HIERARCH ESO ISS PBLA34 START | 200.422 |
| HIERARCH ESO ISS PBLA34 END | 200.476 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001792 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001792 |
| HIERARCH ESO ISS AMBI TEMP | 13.49 |
| 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 |