Exposure
- ID
- GRAVI.2021-10-06T02:47:50.908_2
- Header ID
- GRAVI.2021-10-06T02:47:50.908
- Date updated
- 2021-10-06 02:56:01 UTC+0000
- Release date
- 2022-10-06 02:56:01 UTC+0000
- UTC Start
- 2021-10-06 02:47:50.908
- UTC End
- 2021-10-06 02:50:14.908
- MJD Start
- 59493.11656143
- MJD End
- 59493.1182280967
- Exposure time (s)
- 144.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048295
- Ambient temperature (°C)
- 13.8
- Seeing (arcsec)
- 0.355
Observation
- ID
- 48442
- Category
- science
- Program ID
- 108.22F1.001
- Program Title
- ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS WITH GRAVITY (PART II)
- Program Type
- GTO
- PI / COI
- EISENHAUER/ BOURDAROT/ PFUHL/ GILLESSEN/ LACOUR/ PERRIN/ KERVELLA/ BRANDNER/ GARCIA/ STRAUBMEIER/ WIDMANN/ ROUSSELET-PERRAUT/ STURM
Target
- ID
- 32592
- Name
- WDS_J20452-3120B
- RA
- 310.4631625
- DEC
- -32.43523
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 | 84.5990 | 84.3750 | 138.2000 | 138.8000 |
| A0-J2 | 113.1550 | 112.5580 | 114.2000 | 114.7000 |
| A0-K0 | 108.3580 | 107.6440 | 89.1300 | 89.5060 |
| G1-J2 | 49.7440 | 49.4450 | 70.4000 | 70.6000 |
| G1-K0 | 83.0410 | 82.8040 | 38.7730 | 38.9510 |
| J2-K0 | 48.3180 | 48.3110 | 6.1100 | 6.4200 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.22F1.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59493.11656143 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | ATMic |
| HIERARCH ESO INS SOBJ NAME | WDS_J20452-3120C |
| RA | 310.462305 |
| DEC | -32.43713 |
| 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 | 84.599 |
| HIERARCH ESO ISS PBL12 END | 84.375 |
| HIERARCH ESO ISS PBLA12 START | 138.2 |
| HIERARCH ESO ISS PBLA12 END | 138.8 |
| HIERARCH ESO ISS PBL13 START | 113.155 |
| HIERARCH ESO ISS PBL13 END | 112.558 |
| HIERARCH ESO ISS PBLA13 START | 114.2 |
| HIERARCH ESO ISS PBLA13 END | 114.7 |
| HIERARCH ESO ISS PBL14 START | 108.358 |
| HIERARCH ESO ISS PBL14 END | 107.644 |
| HIERARCH ESO ISS PBLA14 START | 89.13 |
| HIERARCH ESO ISS PBLA14 END | 89.506 |
| HIERARCH ESO ISS PBL23 START | 49.744 |
| HIERARCH ESO ISS PBL23 END | 49.445 |
| HIERARCH ESO ISS PBLA23 START | 70.4 |
| HIERARCH ESO ISS PBLA23 END | 70.6 |
| HIERARCH ESO ISS PBL24 START | 83.041 |
| HIERARCH ESO ISS PBL24 END | 82.804 |
| HIERARCH ESO ISS PBLA24 START | 38.773 |
| HIERARCH ESO ISS PBLA24 END | 38.951 |
| HIERARCH ESO ISS PBL34 START | 48.318 |
| HIERARCH ESO ISS PBL34 END | 48.311 |
| HIERARCH ESO ISS PBLA34 START | 6.11 |
| HIERARCH ESO ISS PBLA34 END | 6.42 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004586 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005073 |
| HIERARCH ESO ISS AMBI TEMP | 13.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | WDS_J20452-3120B |
| HIERARCH ESO FT ROBJ ALPHA | 204151.159 |
| HIERARCH ESO FT ROBJ DELTA | -322606.828 |