Exposure
- ID
- GRAVI.2025-08-03T07:21:36.096_2
- Header ID
- GRAVI.2025-08-03T07:21:36.096
- Date updated
- 2025-08-03 07:30:36 UTC+0000
- Release date
- 2026-01-30 07:30:36 UTC+0000
- UTC Start
- 2025-08-03 07:21:36.096
- UTC End
- 2025-08-03 07:24:16.096
- MJD Start
- 60890.30666778
- MJD End
- 60890.30851963186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004442
- Ambient temperature (°C)
- 9.57
- Seeing (arcsec)
- 0.73
Observation
- ID
- 68996
- Category
- science
- Program ID
- 115.27YJ.005
- 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 | 86.8230 | 87.0260 | 107.1000 | 107.7000 |
| A0-J2 | 128.1070 | 128.2460 | 85.2000 | 85.7000 |
| A0-K0 | 127.9250 | 127.8920 | 65.4050 | 65.9530 |
| G1-J2 | 57.6020 | 57.5450 | 50.9000 | 51.4000 |
| G1-K0 | 85.5910 | 85.4940 | 22.9360 | 23.3370 |
| J2-K0 | 43.9640 | 44.0090 | 345.0640 | 345.3970 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60890.30666778 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.581395 |
| DEC | -49.07593 |
| 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 | 86.823 |
| HIERARCH ESO ISS PBL12 END | 87.026 |
| HIERARCH ESO ISS PBLA12 START | 107.1 |
| HIERARCH ESO ISS PBLA12 END | 107.7 |
| HIERARCH ESO ISS PBL13 START | 128.107 |
| HIERARCH ESO ISS PBL13 END | 128.246 |
| HIERARCH ESO ISS PBLA13 START | 85.2 |
| HIERARCH ESO ISS PBLA13 END | 85.7 |
| HIERARCH ESO ISS PBL14 START | 127.925 |
| HIERARCH ESO ISS PBL14 END | 127.892 |
| HIERARCH ESO ISS PBLA14 START | 65.405 |
| HIERARCH ESO ISS PBLA14 END | 65.953 |
| HIERARCH ESO ISS PBL23 START | 57.602 |
| HIERARCH ESO ISS PBL23 END | 57.545 |
| HIERARCH ESO ISS PBLA23 START | 50.9 |
| HIERARCH ESO ISS PBLA23 END | 51.4 |
| HIERARCH ESO ISS PBL24 START | 85.591 |
| HIERARCH ESO ISS PBL24 END | 85.494 |
| HIERARCH ESO ISS PBLA24 START | 22.936 |
| HIERARCH ESO ISS PBLA24 END | 23.337 |
| HIERARCH ESO ISS PBL34 START | 43.964 |
| HIERARCH ESO ISS PBL34 END | 44.009 |
| HIERARCH ESO ISS PBLA34 START | 345.064 |
| HIERARCH ESO ISS PBLA34 END | 345.397 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004458 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004426 |
| HIERARCH ESO ISS AMBI TEMP | 9.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.671 |