Exposure
- ID
- GRAVI.2025-07-31T07:52:09.325_2
- Header ID
- GRAVI.2025-07-31T07:52:09.325
- Date updated
- 2025-07-31 08:05:52 UTC+0000
- Release date
- 2026-01-27 08:05:52 UTC+0000
- UTC Start
- 2025-07-31 07:52:09.325
- UTC End
- 2025-07-31 07:54:49.325
- MJD Start
- 60887.32788571
- MJD End
- 60887.32973756186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003056
- Ambient temperature (°C)
- 7.93
- Seeing (arcsec)
- 1.24
Observation
- ID
- 68984
- Category
- science
- Program ID
- 115.27YJ.003
- 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
- 51316
- Name
- HD142B
- RA
- 1.5796945833333333
- DEC
- -49.076199055555556
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 | 88.0140 | 88.1790 | 110.4000 | 110.9000 |
| A0-J2 | 128.8390 | 128.9200 | 88.7000 | 89.3000 |
| A0-K0 | 127.5790 | 127.4950 | 68.8770 | 69.4290 |
| G1-J2 | 57.1850 | 57.1080 | 54.1000 | 54.6000 |
| G1-K0 | 84.9210 | 84.8060 | 25.4720 | 25.8770 |
| J2-K0 | 44.2300 | 44.2670 | 347.2030 | 347.5530 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60887.32788571 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142A |
| RA | 1.581393 |
| 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 | 88.014 |
| HIERARCH ESO ISS PBL12 END | 88.179 |
| HIERARCH ESO ISS PBLA12 START | 110.4 |
| HIERARCH ESO ISS PBLA12 END | 110.9 |
| HIERARCH ESO ISS PBL13 START | 128.839 |
| HIERARCH ESO ISS PBL13 END | 128.92 |
| HIERARCH ESO ISS PBLA13 START | 88.7 |
| HIERARCH ESO ISS PBLA13 END | 89.3 |
| HIERARCH ESO ISS PBL14 START | 127.579 |
| HIERARCH ESO ISS PBL14 END | 127.495 |
| HIERARCH ESO ISS PBLA14 START | 68.877 |
| HIERARCH ESO ISS PBLA14 END | 69.429 |
| HIERARCH ESO ISS PBL23 START | 57.185 |
| HIERARCH ESO ISS PBL23 END | 57.108 |
| HIERARCH ESO ISS PBLA23 START | 54.1 |
| HIERARCH ESO ISS PBLA23 END | 54.6 |
| HIERARCH ESO ISS PBL24 START | 84.921 |
| HIERARCH ESO ISS PBL24 END | 84.806 |
| HIERARCH ESO ISS PBLA24 START | 25.472 |
| HIERARCH ESO ISS PBLA24 END | 25.877 |
| HIERARCH ESO ISS PBL34 START | 44.23 |
| HIERARCH ESO ISS PBL34 END | 44.267 |
| HIERARCH ESO ISS PBLA34 START | 347.203 |
| HIERARCH ESO ISS PBLA34 END | 347.553 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003056 |
| HIERARCH ESO ISS AMBI TEMP | 7.93 |
| HIERARCH ESO ISS AMBI FWHM START | 1.24 |
| HIERARCH ESO ISS AMBI FWHM END | 1.24 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1267 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3166 |