Exposure
- ID
- GRAVI.2021-11-18T04:31:59.984_2
- Header ID
- GRAVI.2021-11-18T04:31:59.984
- Date updated
- 2021-11-18 04:46:09 UTC+0000
- Release date
- 2022-11-18 04:46:09 UTC+0000
- UTC Start
- 2021-11-18 04:31:59.984
- UTC End
- 2021-11-18 04:34:23.984
- MJD Start
- 59536.1888887
- MJD End
- 59536.1905553667
- Exposure time (s)
- 144.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003052
- Ambient temperature (°C)
- 11.03
- Seeing (arcsec)
- 0.825
Observation
- ID
- 48916
- Category
- science
- Program ID
- 108.22EZ.002
- Program Title
- ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ BOURDAROT/ PFUHL/ GILLESSEN/ 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 | 87.7820 | 87.7110 | 156.1000 | 156.8000 |
| A0-J2 | 111.9740 | 111.6240 | 137.8000 | 138.5000 |
| A0-K0 | 95.3930 | 94.7670 | 115.0280 | 115.7410 |
| G1-J2 | 39.8220 | 39.4780 | 93.8000 | 94.4000 |
| G1-K0 | 64.6790 | 64.2740 | 51.9140 | 52.1670 |
| J2-K0 | 43.9820 | 43.9390 | 14.7140 | 15.0360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.22EZ.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59536.1888887 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.580677 |
| 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 | 87.782 |
| HIERARCH ESO ISS PBL12 END | 87.711 |
| HIERARCH ESO ISS PBLA12 START | 156.1 |
| HIERARCH ESO ISS PBLA12 END | 156.8 |
| HIERARCH ESO ISS PBL13 START | 111.974 |
| HIERARCH ESO ISS PBL13 END | 111.624 |
| HIERARCH ESO ISS PBLA13 START | 137.8 |
| HIERARCH ESO ISS PBLA13 END | 138.5 |
| HIERARCH ESO ISS PBL14 START | 95.393 |
| HIERARCH ESO ISS PBL14 END | 94.767 |
| HIERARCH ESO ISS PBLA14 START | 115.028 |
| HIERARCH ESO ISS PBLA14 END | 115.741 |
| HIERARCH ESO ISS PBL23 START | 39.822 |
| HIERARCH ESO ISS PBL23 END | 39.478 |
| HIERARCH ESO ISS PBLA23 START | 93.8 |
| HIERARCH ESO ISS PBLA23 END | 94.4 |
| HIERARCH ESO ISS PBL24 START | 64.679 |
| HIERARCH ESO ISS PBL24 END | 64.274 |
| HIERARCH ESO ISS PBLA24 START | 51.914 |
| HIERARCH ESO ISS PBLA24 END | 52.167 |
| HIERARCH ESO ISS PBL34 START | 43.982 |
| HIERARCH ESO ISS PBL34 END | 43.939 |
| HIERARCH ESO ISS PBLA34 START | 14.714 |
| HIERARCH ESO ISS PBLA34 END | 15.036 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002814 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00329 |
| HIERARCH ESO ISS AMBI TEMP | 11.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.86 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.681 |