Exposure
- ID
- GRAVI.2025-07-31T07:55:36.334_1
- Header ID
- GRAVI.2025-07-31T07:55:36.334
- 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 07:55:36.334
- UTC End
- 2025-07-31 07:58:16.334
- MJD Start
- 60887.33028164
- MJD End
- 60887.33213349186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003056
- Ambient temperature (°C)
- 7.99
- Seeing (arcsec)
- 1.24
Observation
- ID
- 68983
- 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
- 51315
- Name
- HD142A
- RA
- 1.581393
- DEC
- -49.07592
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 88.2050 | 88.3640 | 111.0000 | 111.5000 |
| A0-J2 | 128.9320 | 129.0030 | 89.4000 | 89.9000 |
| A0-K0 | 127.4800 | 127.3860 | 69.5090 | 70.0530 |
| G1-J2 | 57.0950 | 57.0140 | 54.7000 | 55.2000 |
| G1-K0 | 84.7870 | 84.6680 | 25.9320 | 26.3280 |
| J2-K0 | 44.2730 | 44.3100 | 347.6000 | 347.9430 |
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 | 60887.33028164 |
| 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 | 88.205 |
| HIERARCH ESO ISS PBL12 END | 88.364 |
| HIERARCH ESO ISS PBLA12 START | 111.0 |
| HIERARCH ESO ISS PBLA12 END | 111.5 |
| HIERARCH ESO ISS PBL13 START | 128.932 |
| HIERARCH ESO ISS PBL13 END | 129.003 |
| HIERARCH ESO ISS PBLA13 START | 89.4 |
| HIERARCH ESO ISS PBLA13 END | 89.9 |
| HIERARCH ESO ISS PBL14 START | 127.48 |
| HIERARCH ESO ISS PBL14 END | 127.386 |
| HIERARCH ESO ISS PBLA14 START | 69.509 |
| HIERARCH ESO ISS PBLA14 END | 70.053 |
| HIERARCH ESO ISS PBL23 START | 57.095 |
| HIERARCH ESO ISS PBL23 END | 57.014 |
| HIERARCH ESO ISS PBLA23 START | 54.7 |
| HIERARCH ESO ISS PBLA23 END | 55.2 |
| HIERARCH ESO ISS PBL24 START | 84.787 |
| HIERARCH ESO ISS PBL24 END | 84.668 |
| HIERARCH ESO ISS PBLA24 START | 25.932 |
| HIERARCH ESO ISS PBLA24 END | 26.328 |
| HIERARCH ESO ISS PBL34 START | 44.273 |
| HIERARCH ESO ISS PBL34 END | 44.31 |
| HIERARCH ESO ISS PBLA34 START | 347.6 |
| HIERARCH ESO ISS PBLA34 END | 347.943 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003056 |
| HIERARCH ESO ISS AMBI TEMP | 7.99 |
| 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 |