Exposure
- ID
- GRAVI.2025-07-31T06:04:27.051_2
- Header ID
- GRAVI.2025-07-31T06:04:27.051
- Date updated
- 2025-07-31 06:15:50 UTC+0000
- Release date
- 2026-01-27 06:15:50 UTC+0000
- UTC Start
- 2025-07-31 06:04:27.051
- UTC End
- 2025-07-31 06:07:07.051
- MJD Start
- 60887.25309087
- MJD End
- 60887.254942721855
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001888
- Ambient temperature (°C)
- 8.71
- Seeing (arcsec)
- 2.02
Observation
- ID
- 68982
- 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
- 42017
- Name
- HD142A
- RA
- 1.5798958333333333
- DEC
- -49.075186388888895
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 | 77.7330 | 78.1260 | 91.3000 | 91.8000 |
| A0-J2 | 120.0290 | 120.4030 | 67.4000 | 68.0000 |
| A0-K0 | 125.8330 | 125.9790 | 47.8840 | 48.5040 |
| G1-J2 | 58.2090 | 58.2150 | 34.6000 | 35.2000 |
| G1-K0 | 87.5100 | 87.4740 | 10.2910 | 10.7250 |
| J2-K0 | 41.9980 | 42.0840 | 335.4620 | 335.7630 |
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 | 60887.25309087 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| 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 | 77.733 |
| HIERARCH ESO ISS PBL12 END | 78.126 |
| HIERARCH ESO ISS PBLA12 START | 91.3 |
| HIERARCH ESO ISS PBLA12 END | 91.8 |
| HIERARCH ESO ISS PBL13 START | 120.029 |
| HIERARCH ESO ISS PBL13 END | 120.403 |
| HIERARCH ESO ISS PBLA13 START | 67.4 |
| HIERARCH ESO ISS PBLA13 END | 68.0 |
| HIERARCH ESO ISS PBL14 START | 125.833 |
| HIERARCH ESO ISS PBL14 END | 125.979 |
| HIERARCH ESO ISS PBLA14 START | 47.884 |
| HIERARCH ESO ISS PBLA14 END | 48.504 |
| HIERARCH ESO ISS PBL23 START | 58.209 |
| HIERARCH ESO ISS PBL23 END | 58.215 |
| HIERARCH ESO ISS PBLA23 START | 34.6 |
| HIERARCH ESO ISS PBLA23 END | 35.2 |
| HIERARCH ESO ISS PBL24 START | 87.51 |
| HIERARCH ESO ISS PBL24 END | 87.474 |
| HIERARCH ESO ISS PBLA24 START | 10.291 |
| HIERARCH ESO ISS PBLA24 END | 10.725 |
| HIERARCH ESO ISS PBL34 START | 41.998 |
| HIERARCH ESO ISS PBL34 END | 42.084 |
| HIERARCH ESO ISS PBLA34 START | 335.462 |
| HIERARCH ESO ISS PBLA34 END | 335.763 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001888 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001888 |
| HIERARCH ESO ISS AMBI TEMP | 8.71 |
| HIERARCH ESO ISS AMBI FWHM START | 2.02 |
| HIERARCH ESO ISS AMBI FWHM END | 2.02 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.671 |