Exposure
- ID
- GRAVI.2025-10-31T04:21:27.491_2
- Header ID
- GRAVI.2025-10-31T04:21:27.491
- Date updated
- 2025-10-31 04:36:09 UTC+0000
- Release date
- 2026-10-31 04:36:09 UTC+0000
- UTC Start
- 2025-10-31 04:21:27.491
- UTC End
- 2025-10-31 04:27:27.491
- MJD Start
- 60979.18156818
- MJD End
- 60979.185734846666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0042695
- Ambient temperature (°C)
- 13.69
- Seeing (arcsec)
- 0.675
Observation
- ID
- 71071
- Category
- science
- Program ID
- 116.28NC.001
- Program Title
- GRAVITY-GAIA DR4 EXOPLANET SURVEY IN NEARBY LOW-MASS BINARY SYSTEMS
- Program Type
- Normal
- PI / COI
- KERVELLA / GALLENNE / ARENOU / BEICHMAN / BOURDAROT / LACOUR / MENDEZ / MÉRAND / NOWAK
Target
- ID
- 52751
- Name
- LP_833-42_A
- RA
- 61.83533333333332
- DEC
- -24.487116944444445
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 | 83.1990 | 84.0290 | 106.4000 | 106.9000 |
| A0-J2 | 117.2540 | 118.5630 | 81.0000 | 81.8000 |
| A0-K0 | 118.1890 | 119.2010 | 57.3010 | 58.2600 |
| G1-J2 | 55.1410 | 55.4420 | 40.7000 | 41.7000 |
| G1-K0 | 89.4760 | 89.5510 | 12.6750 | 13.5340 |
| J2-K0 | 48.3660 | 48.4080 | 340.2390 | 340.7510 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28NC.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60979.18156818 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | LP 833-42 A |
| HIERARCH ESO INS SOBJ NAME | LP_833-42_A |
| RA | 61.834306 |
| DEC | -24.49087 |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 83.199 |
| HIERARCH ESO ISS PBL12 END | 84.029 |
| HIERARCH ESO ISS PBLA12 START | 106.4 |
| HIERARCH ESO ISS PBLA12 END | 106.9 |
| HIERARCH ESO ISS PBL13 START | 117.254 |
| HIERARCH ESO ISS PBL13 END | 118.563 |
| HIERARCH ESO ISS PBLA13 START | 81.0 |
| HIERARCH ESO ISS PBLA13 END | 81.8 |
| HIERARCH ESO ISS PBL14 START | 118.189 |
| HIERARCH ESO ISS PBL14 END | 119.201 |
| HIERARCH ESO ISS PBLA14 START | 57.301 |
| HIERARCH ESO ISS PBLA14 END | 58.26 |
| HIERARCH ESO ISS PBL23 START | 55.141 |
| HIERARCH ESO ISS PBL23 END | 55.442 |
| HIERARCH ESO ISS PBLA23 START | 40.7 |
| HIERARCH ESO ISS PBLA23 END | 41.7 |
| HIERARCH ESO ISS PBL24 START | 89.476 |
| HIERARCH ESO ISS PBL24 END | 89.551 |
| HIERARCH ESO ISS PBLA24 START | 12.675 |
| HIERARCH ESO ISS PBLA24 END | 13.534 |
| HIERARCH ESO ISS PBL34 START | 48.366 |
| HIERARCH ESO ISS PBL34 END | 48.408 |
| HIERARCH ESO ISS PBLA34 START | 340.239 |
| HIERARCH ESO ISS PBLA34 END | 340.751 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003572 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004967 |
| HIERARCH ESO ISS AMBI TEMP | 13.69 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | LP_833-42_A |
| HIERARCH ESO FT ROBJ ALPHA | 040720.480 |
| HIERARCH ESO FT ROBJ DELTA | -242913.621 |