Exposure
- ID
- GRAVI.2025-09-22T05:54:17.953_2
- Header ID
- GRAVI.2025-09-22T05:54:17.953
- Date updated
- 2025-09-22 06:05:57 UTC+0000
- Release date
- 2026-03-21 06:05:57 UTC+0000
- UTC Start
- 2025-09-22 05:54:17.953
- UTC End
- 2025-09-22 05:56:57.953
- MJD Start
- 60940.24604112
- MJD End
- 60940.247892971856
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004694
- Ambient temperature (°C)
- 11.49
- Seeing (arcsec)
- 0.8
Observation
- ID
- 70494
- Category
- science
- Program ID
- 115.27YJ.007
- 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
- 52274
- Name
- HD142B
- RA
- 1.5796925
- DEC
- -49.07619991666667
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 | 90.5060 | 90.5080 | 126.7000 | 127.3000 |
| A0-J2 | 127.1810 | 126.9880 | 106.0000 | 106.6000 |
| A0-K0 | 120.9930 | 120.6340 | 85.3860 | 85.9340 |
| G1-J2 | 53.2180 | 53.0280 | 69.1000 | 69.6000 |
| G1-K0 | 79.9410 | 79.7220 | 36.9710 | 37.3240 |
| J2-K0 | 44.8880 | 44.8930 | 357.9190 | 358.2760 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.007 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60940.24604112 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142A |
| RA | 1.581421 |
| 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 | 90.506 |
| HIERARCH ESO ISS PBL12 END | 90.508 |
| HIERARCH ESO ISS PBLA12 START | 126.7 |
| HIERARCH ESO ISS PBLA12 END | 127.3 |
| HIERARCH ESO ISS PBL13 START | 127.181 |
| HIERARCH ESO ISS PBL13 END | 126.988 |
| HIERARCH ESO ISS PBLA13 START | 106.0 |
| HIERARCH ESO ISS PBLA13 END | 106.6 |
| HIERARCH ESO ISS PBL14 START | 120.993 |
| HIERARCH ESO ISS PBL14 END | 120.634 |
| HIERARCH ESO ISS PBLA14 START | 85.386 |
| HIERARCH ESO ISS PBLA14 END | 85.934 |
| HIERARCH ESO ISS PBL23 START | 53.218 |
| HIERARCH ESO ISS PBL23 END | 53.028 |
| HIERARCH ESO ISS PBLA23 START | 69.1 |
| HIERARCH ESO ISS PBLA23 END | 69.6 |
| HIERARCH ESO ISS PBL24 START | 79.941 |
| HIERARCH ESO ISS PBL24 END | 79.722 |
| HIERARCH ESO ISS PBLA24 START | 36.971 |
| HIERARCH ESO ISS PBLA24 END | 37.324 |
| HIERARCH ESO ISS PBL34 START | 44.888 |
| HIERARCH ESO ISS PBL34 END | 44.893 |
| HIERARCH ESO ISS PBLA34 START | 357.919 |
| HIERARCH ESO ISS PBLA34 END | 358.276 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005293 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004095 |
| HIERARCH ESO ISS AMBI TEMP | 11.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1262 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3197 |