Exposure
- ID
- GRAVI.2025-07-19T08:57:18.714_2
- Header ID
- GRAVI.2025-07-19T08:57:18.714
- Date updated
- 2025-07-19 15:22:57 UTC+0000
- Release date
- 2026-01-15 15:22:30 UTC+0000
- UTC Start
- 2025-07-19 08:57:18.714
- UTC End
- 2025-07-19 08:59:58.714
- MJD Start
- 60875.37313326
- MJD End
- 60875.374985111855
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004486
- Ambient temperature (°C)
- 12.56
- Seeing (arcsec)
- 0.605
Observation
- ID
- 68866
- Category
- science
- Program ID
- 115.27YJ.002
- Program Title
- ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS AND BINARIES WITH GRAVITY
- Program Type
- GTO
- PI / COI
- BOURDAROT / EISENHAUER / KERVELLA / LACOUR / PERRIN / GILLESSEN / PFUHL / PAUMARD / BRANDNER / GARCIA / STRAUBMEIER / LE BOUQUIN / KREIDBERG / HOENIG / WIDMANN / ROUSSELET-PERRAUT / STURM / SHANGGUAN / MÉRAND / SHIMIZU
Target
- ID
- 51234
- Name
- HD142B
- RA
- 1.5796945833333333
- DEC
- -49.07619925
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 | 88.9230 | 89.0510 | 113.6000 | 114.1000 |
| A0-J2 | 129.1890 | 129.2140 | 92.1000 | 92.7000 |
| A0-K0 | 126.9350 | 126.7980 | 72.1780 | 72.7180 |
| G1-J2 | 56.6660 | 56.5680 | 57.1000 | 57.6000 |
| G1-K0 | 84.1740 | 84.0400 | 27.8690 | 28.2580 |
| J2-K0 | 44.4400 | 44.4710 | 349.2980 | 349.6450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60875.37313326 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142A |
| RA | 1.581387 |
| DEC | -49.07592 |
| 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 | 178.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 88.923 |
| HIERARCH ESO ISS PBL12 END | 89.051 |
| HIERARCH ESO ISS PBLA12 START | 113.6 |
| HIERARCH ESO ISS PBLA12 END | 114.1 |
| HIERARCH ESO ISS PBL13 START | 129.189 |
| HIERARCH ESO ISS PBL13 END | 129.214 |
| HIERARCH ESO ISS PBLA13 START | 92.1 |
| HIERARCH ESO ISS PBLA13 END | 92.7 |
| HIERARCH ESO ISS PBL14 START | 126.935 |
| HIERARCH ESO ISS PBL14 END | 126.798 |
| HIERARCH ESO ISS PBLA14 START | 72.178 |
| HIERARCH ESO ISS PBLA14 END | 72.718 |
| HIERARCH ESO ISS PBL23 START | 56.666 |
| HIERARCH ESO ISS PBL23 END | 56.568 |
| HIERARCH ESO ISS PBLA23 START | 57.1 |
| HIERARCH ESO ISS PBLA23 END | 57.6 |
| HIERARCH ESO ISS PBL24 START | 84.174 |
| HIERARCH ESO ISS PBL24 END | 84.04 |
| HIERARCH ESO ISS PBLA24 START | 27.869 |
| HIERARCH ESO ISS PBLA24 END | 28.258 |
| HIERARCH ESO ISS PBL34 START | 44.44 |
| HIERARCH ESO ISS PBL34 END | 44.471 |
| HIERARCH ESO ISS PBLA34 START | 349.298 |
| HIERARCH ESO ISS PBLA34 END | 349.645 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004084 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004888 |
| HIERARCH ESO ISS AMBI TEMP | 12.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1267 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3173 |