Exposure
- ID
- GRAVI.2021-08-23T07:02:25.803_2
- Header ID
- GRAVI.2021-08-23T07:02:25.803
- Date updated
- 2021-08-23 07:12:25 UTC+0000
- Release date
- 2022-08-23 07:12:25 UTC+0000
- UTC Start
- 2021-08-23 07:02:25.803
- UTC End
- 2021-08-23 07:04:49.803
- MJD Start
- 59449.2933542
- MJD End
- 59449.2950208667
- Exposure time (s)
- 144.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003581
- Ambient temperature (°C)
- 11.97
- Seeing (arcsec)
- 0.66
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 | 89.7620 | 89.8430 | 117.6000 | 118.1000 |
| A0-J2 | 129.1390 | 129.0950 | 96.4000 | 97.0000 |
| A0-K0 | 125.6480 | 125.4530 | 76.3280 | 76.8390 |
| G1-J2 | 55.8160 | 55.6970 | 60.9000 | 61.4000 |
| G1-K0 | 83.0460 | 82.8950 | 30.8300 | 31.1900 |
| J2-K0 | 44.6400 | 44.6620 | 351.9780 | 352.3120 |
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 | 59449.2933542 |
| 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 | 89.762 |
| HIERARCH ESO ISS PBL12 END | 89.843 |
| HIERARCH ESO ISS PBLA12 START | 117.6 |
| HIERARCH ESO ISS PBLA12 END | 118.1 |
| HIERARCH ESO ISS PBL13 START | 129.139 |
| HIERARCH ESO ISS PBL13 END | 129.095 |
| HIERARCH ESO ISS PBLA13 START | 96.4 |
| HIERARCH ESO ISS PBLA13 END | 97.0 |
| HIERARCH ESO ISS PBL14 START | 125.648 |
| HIERARCH ESO ISS PBL14 END | 125.453 |
| HIERARCH ESO ISS PBLA14 START | 76.328 |
| HIERARCH ESO ISS PBLA14 END | 76.839 |
| HIERARCH ESO ISS PBL23 START | 55.816 |
| HIERARCH ESO ISS PBL23 END | 55.697 |
| HIERARCH ESO ISS PBLA23 START | 60.9 |
| HIERARCH ESO ISS PBLA23 END | 61.4 |
| HIERARCH ESO ISS PBL24 START | 83.046 |
| HIERARCH ESO ISS PBL24 END | 82.895 |
| HIERARCH ESO ISS PBLA24 START | 30.83 |
| HIERARCH ESO ISS PBLA24 END | 31.19 |
| HIERARCH ESO ISS PBL34 START | 44.64 |
| HIERARCH ESO ISS PBL34 END | 44.662 |
| HIERARCH ESO ISS PBLA34 START | 351.978 |
| HIERARCH ESO ISS PBLA34 END | 352.312 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003532 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00363 |
| HIERARCH ESO ISS AMBI TEMP | 11.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.681 |