Exposure
- ID
- GRAVI.2021-08-23T06:35:34.735_2
- Header ID
- GRAVI.2021-08-23T06:35:34.735
- Date updated
- 2021-08-23 06:46:32 UTC+0000
- Release date
- 2022-08-23 06:46:32 UTC+0000
- UTC Start
- 2021-08-23 06:35:34.735
- UTC End
- 2021-08-23 06:37:58.735
- MJD Start
- 59449.27470758
- MJD End
- 59449.2763742467
- Exposure time (s)
- 144.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034525
- Ambient temperature (°C)
- 11.9
- Seeing (arcsec)
- 0.685
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 | 88.7350 | 88.8650 | 112.9000 | 113.4000 |
| A0-J2 | 129.1400 | 129.1760 | 91.4000 | 91.9000 |
| A0-K0 | 127.1030 | 126.9850 | 71.4420 | 71.9570 |
| G1-J2 | 56.7870 | 56.6980 | 56.5000 | 56.9000 |
| G1-K0 | 84.3340 | 84.2110 | 27.3390 | 27.7100 |
| J2-K0 | 44.3880 | 44.4180 | 348.8230 | 349.1520 |
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 | 59449.27470758 |
| 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 | 88.735 |
| HIERARCH ESO ISS PBL12 END | 88.865 |
| HIERARCH ESO ISS PBLA12 START | 112.9 |
| HIERARCH ESO ISS PBLA12 END | 113.4 |
| HIERARCH ESO ISS PBL13 START | 129.14 |
| HIERARCH ESO ISS PBL13 END | 129.176 |
| HIERARCH ESO ISS PBLA13 START | 91.4 |
| HIERARCH ESO ISS PBLA13 END | 91.9 |
| HIERARCH ESO ISS PBL14 START | 127.103 |
| HIERARCH ESO ISS PBL14 END | 126.985 |
| HIERARCH ESO ISS PBLA14 START | 71.442 |
| HIERARCH ESO ISS PBLA14 END | 71.957 |
| HIERARCH ESO ISS PBL23 START | 56.787 |
| HIERARCH ESO ISS PBL23 END | 56.698 |
| HIERARCH ESO ISS PBLA23 START | 56.5 |
| HIERARCH ESO ISS PBLA23 END | 56.9 |
| HIERARCH ESO ISS PBL24 START | 84.334 |
| HIERARCH ESO ISS PBL24 END | 84.211 |
| HIERARCH ESO ISS PBLA24 START | 27.339 |
| HIERARCH ESO ISS PBLA24 END | 27.71 |
| HIERARCH ESO ISS PBL34 START | 44.388 |
| HIERARCH ESO ISS PBL34 END | 44.418 |
| HIERARCH ESO ISS PBLA34 START | 348.823 |
| HIERARCH ESO ISS PBLA34 END | 349.152 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003116 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003789 |
| HIERARCH ESO ISS AMBI TEMP | 11.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.681 |