Exposure
- ID
- GRAVI.2025-07-19T09:12:00.751_2
- Header ID
- GRAVI.2025-07-19T09:12:00.751
- Date updated
- 2025-07-19 15:22:57 UTC+0000
- Release date
- 2026-01-15 15:22:30 UTC+0000
- UTC Start
- 2025-07-19 09:12:00.751
- UTC End
- 2025-07-19 09:14:40.751
- MJD Start
- 60875.38334202
- MJD End
- 60875.38519387186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005452500000000001
- Ambient temperature (°C)
- 12.35
- Seeing (arcsec)
- 0.575
Observation
- ID
- 68867
- Category
- science
- Program ID
- 115.27YJ.002
- 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
- 51235
- Name
- HD142A
- RA
- 1.5798970833333332
- DEC
- -49.075186333333335
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 | 89.5030 | 89.6030 | 116.2000 | 116.7000 |
| A0-J2 | 129.2210 | 129.1990 | 94.9000 | 95.5000 |
| A0-K0 | 126.1700 | 125.9900 | 74.8530 | 75.3880 |
| G1-J2 | 56.1470 | 56.0330 | 59.6000 | 60.1000 |
| G1-K0 | 83.4810 | 83.3320 | 29.7850 | 30.1650 |
| J2-K0 | 44.5810 | 44.6070 | 351.0230 | 351.3710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60875.38334202 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.581387 |
| 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 | 89.503 |
| HIERARCH ESO ISS PBL12 END | 89.603 |
| HIERARCH ESO ISS PBLA12 START | 116.2 |
| HIERARCH ESO ISS PBLA12 END | 116.7 |
| HIERARCH ESO ISS PBL13 START | 129.221 |
| HIERARCH ESO ISS PBL13 END | 129.199 |
| HIERARCH ESO ISS PBLA13 START | 94.9 |
| HIERARCH ESO ISS PBLA13 END | 95.5 |
| HIERARCH ESO ISS PBL14 START | 126.17 |
| HIERARCH ESO ISS PBL14 END | 125.99 |
| HIERARCH ESO ISS PBLA14 START | 74.853 |
| HIERARCH ESO ISS PBLA14 END | 75.388 |
| HIERARCH ESO ISS PBL23 START | 56.147 |
| HIERARCH ESO ISS PBL23 END | 56.033 |
| HIERARCH ESO ISS PBLA23 START | 59.6 |
| HIERARCH ESO ISS PBLA23 END | 60.1 |
| HIERARCH ESO ISS PBL24 START | 83.481 |
| HIERARCH ESO ISS PBL24 END | 83.332 |
| HIERARCH ESO ISS PBLA24 START | 29.785 |
| HIERARCH ESO ISS PBLA24 END | 30.165 |
| HIERARCH ESO ISS PBL34 START | 44.581 |
| HIERARCH ESO ISS PBL34 END | 44.607 |
| HIERARCH ESO ISS PBLA34 START | 351.023 |
| HIERARCH ESO ISS PBLA34 END | 351.371 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005747 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005158 |
| HIERARCH ESO ISS AMBI TEMP | 12.35 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6708 |