Exposure
ID
GRAVI.2025-11-03T04:04:38.753_1
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
71095
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
52775
Name
LP_649-66
RA
33.115461
DEC
-8.07223
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
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