Exposure
- ID
- GRAVI.2023-01-13T01:15:09.041_2
- Header ID
- GRAVI.2023-01-13T01:15:09.041
- Date updated
- 2023-01-13 01:21:15 UTC+0000
- Release date
- 2023-01-13 01:21:15 UTC+0000
- UTC Start
- 2023-01-13 01:15:09.041
- UTC End
- 2023-01-13 01:15:18.641
- MJD Start
- 59957.05218797
- MJD End
- 59957.0522990811
- Exposure time (s)
- 9.6
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005891
- Ambient temperature (°C)
- 13.4
- Seeing (arcsec)
- 0.71
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 | 25.2950 | 25.2950 | 160.4000 | 160.4000 |
| A0-D0 | 32.0040 | 32.0040 | 88.8000 | 88.8000 |
| A0-C1 | 22.6220 | 22.6220 | 133.8270 | 133.8270 |
| B2-D0 | 33.9310 | 33.9310 | 43.8000 | 43.8000 |
| B2-C1 | 11.3030 | 11.3030 | 43.7880 | 43.7880 |
| D0-C1 | 22.6290 | 22.6290 | 223.8520 | 223.8520 |
Header: validation messages
| Message |
|---|
| Invalid value for 'RA' : '0.0' |
| Invalid value for 'DEC' : '0.0' |
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 | 59957.05218797 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | LEDA 825673 |
| HIERARCH ESO INS SOBJ NAME | twilight_sky |
| RA | 0.0 |
| DEC | 0.0 |
| 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 | 25.295 |
| HIERARCH ESO ISS PBL12 END | 25.295 |
| HIERARCH ESO ISS PBLA12 START | 160.4 |
| HIERARCH ESO ISS PBLA12 END | 160.4 |
| HIERARCH ESO ISS PBL13 START | 32.004 |
| HIERARCH ESO ISS PBL13 END | 32.004 |
| HIERARCH ESO ISS PBLA13 START | 88.8 |
| HIERARCH ESO ISS PBLA13 END | 88.8 |
| HIERARCH ESO ISS PBL14 START | 22.622 |
| HIERARCH ESO ISS PBL14 END | 22.622 |
| HIERARCH ESO ISS PBLA14 START | 133.827 |
| HIERARCH ESO ISS PBLA14 END | 133.827 |
| HIERARCH ESO ISS PBL23 START | 33.931 |
| HIERARCH ESO ISS PBL23 END | 33.931 |
| HIERARCH ESO ISS PBLA23 START | 43.8 |
| HIERARCH ESO ISS PBLA23 END | 43.8 |
| HIERARCH ESO ISS PBL24 START | 11.303 |
| HIERARCH ESO ISS PBL24 END | 11.303 |
| HIERARCH ESO ISS PBLA24 START | 43.788 |
| HIERARCH ESO ISS PBLA24 END | 43.788 |
| HIERARCH ESO ISS PBL34 START | 22.629 |
| HIERARCH ESO ISS PBL34 END | 22.629 |
| HIERARCH ESO ISS PBLA34 START | 223.852 |
| HIERARCH ESO ISS PBLA34 END | 223.852 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005891 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005891 |
| HIERARCH ESO ISS AMBI TEMP | 13.4 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | twilight_sky |
| HIERARCH ESO FT ROBJ ALPHA | 021858.600 |
| HIERARCH ESO FT ROBJ DELTA | -213822.999 |