Exposure
ID
GRAVI.2025-11-11T02:52:33.714_1
Header ID
GRAVI.2025-11-11T02:52:33.714
Date updated
2025-11-11 03:00:51 UTC+0000
Release date
2026-11-11 03:00:51 UTC+0000
UTC Start
2025-11-11 02:52:33.714
UTC End
2025-11-11 02:53:05.714
MJD Start
60990.11983465
MJD End
60990.12020502037
Exposure time (s)
32.0
Validation level
1
Tau 0: Coherence time (s)
0.002478
Ambient temperature (°C)
14.86
Seeing (arcsec)
0.875
Observation
ID
71437
Category
science
Program ID
116.28WY.001
Program Title
DANCING WITH THE STARS: DETECTION OF THE HIDDEN TERTIARY BROWN DWARFS IN TWO NEARBY BINARY SYSTEMS
Program Type
Normal
PI / COI
MATTHEWS / NOWAK / BILLER / CEVA / FORVEILLE / RICKMAN / SÉGRANSAN / UDRY / WINTERHALDER
Target
ID
53051
Name
HIP_22059
RA
71.176923
DEC
-37.12184
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 56.5300 56.5300 0.8000 1.0000
U1-U3 102.3410 102.3430 5.5000 5.7000
U1-U4 121.6930 121.7970 27.1730 27.4790
U2-U3 46.2270 46.2330 11.2000 11.4000
U2-U4 75.3650 75.5360 46.6460 46.9790
U3-U4 46.2980 46.5000 82.0780 82.3230
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28WY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60990.11983465
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HIP 22059
HIERARCH ESO INS SOBJ NAME HIP_22059
RA 71.176923
DEC -37.12184
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 86.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 56.53
HIERARCH ESO ISS PBL12 END 56.53
HIERARCH ESO ISS PBLA12 START 0.8
HIERARCH ESO ISS PBLA12 END 1.0
HIERARCH ESO ISS PBL13 START 102.341
HIERARCH ESO ISS PBL13 END 102.343
HIERARCH ESO ISS PBLA13 START 5.5
HIERARCH ESO ISS PBLA13 END 5.7
HIERARCH ESO ISS PBL14 START 121.693
HIERARCH ESO ISS PBL14 END 121.797
HIERARCH ESO ISS PBLA14 START 27.173
HIERARCH ESO ISS PBLA14 END 27.479
HIERARCH ESO ISS PBL23 START 46.227
HIERARCH ESO ISS PBL23 END 46.233
HIERARCH ESO ISS PBLA23 START 11.2
HIERARCH ESO ISS PBLA23 END 11.4
HIERARCH ESO ISS PBL24 START 75.365
HIERARCH ESO ISS PBL24 END 75.536
HIERARCH ESO ISS PBLA24 START 46.646
HIERARCH ESO ISS PBLA24 END 46.979
HIERARCH ESO ISS PBL34 START 46.298
HIERARCH ESO ISS PBL34 END 46.5
HIERARCH ESO ISS PBLA34 START 82.078
HIERARCH ESO ISS PBLA34 END 82.323
HIERARCH ESO ISS AMBI TAU0 START 0.002478
HIERARCH ESO ISS AMBI TAU0 END 0.002478
HIERARCH ESO ISS AMBI TEMP 14.86
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.89
HIERARCH ESO FT ROBJ NAME HIP_22059
HIERARCH ESO FT ROBJ ALPHA 044441.746
HIERARCH ESO FT ROBJ DELTA -370716.766