Exposure
- ID
- GRAVI.2025-11-03T04:04:38.753_2
- Header ID
- GRAVI.2025-11-03T04:04:38.753
- Date updated
- 2025-11-03 04:20:51 UTC+0000
- Release date
- 2026-11-03 04:20:51 UTC+0000
- UTC Start
- 2025-11-03 04:04:38.753
- UTC End
- 2025-11-03 04:10:38.753
- MJD Start
- 60982.16989298
- MJD End
- 60982.17405964666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003835
- Ambient temperature (°C)
- 10.57
- Seeing (arcsec)
- 0.705
Observation
- ID
- 71096
- Category
- science
- Program ID
- 116.28NC.004
- 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
- 52776
- Name
- LP_649-66
- RA
- 33.121725
- DEC
- -8.069403333333334
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 | 89.7890 | 89.4810 | 115.1000 | 115.4000 |
| A0-J2 | 129.2230 | 129.1260 | 92.7000 | 92.9000 |
| A0-K0 | 127.4220 | 127.6890 | 71.7750 | 72.0190 |
| G1-J2 | 57.4370 | 57.6390 | 56.2000 | 56.6000 |
| G1-K0 | 87.4230 | 87.7080 | 27.0030 | 27.5690 |
| J2-K0 | 46.6620 | 46.5990 | 350.0650 | 350.7270 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28NC.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60982.16989298 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | LP 649-66 |
| HIERARCH ESO INS SOBJ NAME | LP_649-66 |
| RA | 33.115461 |
| DEC | -8.07223 |
| 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 | 89.789 |
| HIERARCH ESO ISS PBL12 END | 89.481 |
| HIERARCH ESO ISS PBLA12 START | 115.1 |
| HIERARCH ESO ISS PBLA12 END | 115.4 |
| HIERARCH ESO ISS PBL13 START | 129.223 |
| HIERARCH ESO ISS PBL13 END | 129.126 |
| HIERARCH ESO ISS PBLA13 START | 92.7 |
| HIERARCH ESO ISS PBLA13 END | 92.9 |
| HIERARCH ESO ISS PBL14 START | 127.422 |
| HIERARCH ESO ISS PBL14 END | 127.689 |
| HIERARCH ESO ISS PBLA14 START | 71.775 |
| HIERARCH ESO ISS PBLA14 END | 72.019 |
| HIERARCH ESO ISS PBL23 START | 57.437 |
| HIERARCH ESO ISS PBL23 END | 57.639 |
| HIERARCH ESO ISS PBLA23 START | 56.2 |
| HIERARCH ESO ISS PBLA23 END | 56.6 |
| HIERARCH ESO ISS PBL24 START | 87.423 |
| HIERARCH ESO ISS PBL24 END | 87.708 |
| HIERARCH ESO ISS PBLA24 START | 27.003 |
| HIERARCH ESO ISS PBLA24 END | 27.569 |
| HIERARCH ESO ISS PBL34 START | 46.662 |
| HIERARCH ESO ISS PBL34 END | 46.599 |
| HIERARCH ESO ISS PBLA34 START | 350.065 |
| HIERARCH ESO ISS PBLA34 END | 350.727 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003712 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003958 |
| HIERARCH ESO ISS AMBI TEMP | 10.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | LP_649-66 |
| HIERARCH ESO FT ROBJ ALPHA | 021229.214 |
| HIERARCH ESO FT ROBJ DELTA | -080409.852 |