Exposure
- ID
- GRAVI.2021-08-23T06:22:19.701_2
- Header ID
- GRAVI.2021-08-23T06:22:19.701
- Date updated
- 2021-08-23 06:31:10 UTC+0000
- Release date
- 2022-08-23 06:31:09 UTC+0000
- UTC Start
- 2021-08-23 06:22:19.701
- UTC End
- 2021-08-23 06:24:43.701
- MJD Start
- 59449.2655058
- MJD End
- 59449.2671724667
- Exposure time (s)
- 144.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003018
- Ambient temperature (°C)
- 11.9
- Seeing (arcsec)
- 0.775
Observation
- ID
- 47921
- Category
- science
- Program ID
- 105.20KT.002
- Program Title
- ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS WITH GRAVITY
- Program Type
- GTO
- PI / COI
- PFUHL/ EISENHAUER/ GILLESSEN/ GAO/ LACOUR/ PERRIN/ KERVELLA/ BRANDNER/ GARCIA/ STRAUBMEIER/ WIDMANN/ ROUSSELET-PERRAUT/ STURM
Target
- ID
- 35962
- Name
- HD142A
- RA
- 1.57989583333333
- DEC
- -49.0751891666667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 88.0480 | 88.2040 | 110.5000 | 111.0000 |
| A0-J2 | 128.8570 | 128.9330 | 88.9000 | 89.4000 |
| A0-K0 | 127.5580 | 127.4750 | 69.0080 | 69.5260 |
| G1-J2 | 57.1620 | 57.0880 | 54.2000 | 54.7000 |
| G1-K0 | 84.8780 | 84.7680 | 25.5720 | 25.9490 |
| J2-K0 | 44.2290 | 44.2650 | 347.2840 | 347.6100 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20KT.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59449.2655058 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.58063 |
| DEC | -49.0759 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 170.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 48 |
| HIERARCH ESO ISS PBL12 START | 88.048 |
| HIERARCH ESO ISS PBL12 END | 88.204 |
| HIERARCH ESO ISS PBLA12 START | 110.5 |
| HIERARCH ESO ISS PBLA12 END | 111.0 |
| HIERARCH ESO ISS PBL13 START | 128.857 |
| HIERARCH ESO ISS PBL13 END | 128.933 |
| HIERARCH ESO ISS PBLA13 START | 88.9 |
| HIERARCH ESO ISS PBLA13 END | 89.4 |
| HIERARCH ESO ISS PBL14 START | 127.558 |
| HIERARCH ESO ISS PBL14 END | 127.475 |
| HIERARCH ESO ISS PBLA14 START | 69.008 |
| HIERARCH ESO ISS PBLA14 END | 69.526 |
| HIERARCH ESO ISS PBL23 START | 57.162 |
| HIERARCH ESO ISS PBL23 END | 57.088 |
| HIERARCH ESO ISS PBLA23 START | 54.2 |
| HIERARCH ESO ISS PBLA23 END | 54.7 |
| HIERARCH ESO ISS PBL24 START | 84.878 |
| HIERARCH ESO ISS PBL24 END | 84.768 |
| HIERARCH ESO ISS PBLA24 START | 25.572 |
| HIERARCH ESO ISS PBLA24 END | 25.949 |
| HIERARCH ESO ISS PBL34 START | 44.229 |
| HIERARCH ESO ISS PBL34 END | 44.265 |
| HIERARCH ESO ISS PBLA34 START | 347.284 |
| HIERARCH ESO ISS PBLA34 END | 347.61 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002659 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003377 |
| HIERARCH ESO ISS AMBI TEMP | 11.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.681 |