Exposure
- ID
- GRAVI.2021-08-23T06:55:49.786_2
- Header ID
- GRAVI.2021-08-23T06:55:49.786
- Date updated
- 2021-08-23 07:07:02 UTC+0000
- Release date
- 2022-08-23 07:07:02 UTC+0000
- UTC Start
- 2021-08-23 06:55:49.786
- UTC End
- 2021-08-23 06:58:13.786
- MJD Start
- 59449.28877067
- MJD End
- 59449.2904373367
- Exposure time (s)
- 144.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0046025
- Ambient temperature (°C)
- 12.11
- Seeing (arcsec)
- 0.63
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 | 89.5530 | 89.6450 | 116.4000 | 116.9000 |
| A0-J2 | 129.2100 | 129.1860 | 95.2000 | 95.7000 |
| A0-K0 | 126.0750 | 125.8990 | 75.1270 | 75.6380 |
| G1-J2 | 56.0820 | 55.9710 | 59.8000 | 60.3000 |
| G1-K0 | 83.3870 | 83.2440 | 29.9810 | 30.3430 |
| J2-K0 | 44.5860 | 44.6100 | 351.1960 | 351.5290 |
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 | 59449.28877067 |
| 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 | 89.553 |
| HIERARCH ESO ISS PBL12 END | 89.645 |
| HIERARCH ESO ISS PBLA12 START | 116.4 |
| HIERARCH ESO ISS PBLA12 END | 116.9 |
| HIERARCH ESO ISS PBL13 START | 129.21 |
| HIERARCH ESO ISS PBL13 END | 129.186 |
| HIERARCH ESO ISS PBLA13 START | 95.2 |
| HIERARCH ESO ISS PBLA13 END | 95.7 |
| HIERARCH ESO ISS PBL14 START | 126.075 |
| HIERARCH ESO ISS PBL14 END | 125.899 |
| HIERARCH ESO ISS PBLA14 START | 75.127 |
| HIERARCH ESO ISS PBLA14 END | 75.638 |
| HIERARCH ESO ISS PBL23 START | 56.082 |
| HIERARCH ESO ISS PBL23 END | 55.971 |
| HIERARCH ESO ISS PBLA23 START | 59.8 |
| HIERARCH ESO ISS PBLA23 END | 60.3 |
| HIERARCH ESO ISS PBL24 START | 83.387 |
| HIERARCH ESO ISS PBL24 END | 83.244 |
| HIERARCH ESO ISS PBLA24 START | 29.981 |
| HIERARCH ESO ISS PBLA24 END | 30.343 |
| HIERARCH ESO ISS PBL34 START | 44.586 |
| HIERARCH ESO ISS PBL34 END | 44.61 |
| HIERARCH ESO ISS PBLA34 START | 351.196 |
| HIERARCH ESO ISS PBLA34 END | 351.529 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004851 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004354 |
| HIERARCH ESO ISS AMBI TEMP | 12.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.681 |