Exposure
ID
GRAVI.2025-11-11T03:09:33.757_1
Header ID
GRAVI.2025-11-11T03:09:33.757
Date updated
2025-11-11 03:25:44 UTC+0000
Release date
2026-11-11 03:25:44 UTC+0000
UTC Start
2025-11-11 03:09:33.757
UTC End
2025-11-11 03:14:53.757
MJD Start
60990.13164071
MJD End
60990.135344413706
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0033280000000000002
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.79
Observation
ID
71441
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
53055
Name
HIP_22059
RA
71.176912
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 56.5260 56.5230 3.2000 4.1000
U1-U3 102.3690 102.3800 8.2000 9.1000
U1-U4 122.9780 123.4530 30.8320 32.1300
U2-U3 46.3040 46.3340 14.2000 15.2000
U2-U4 77.4360 78.1800 50.5890 51.9650
U3-U4 48.6920 49.5250 84.9790 85.9930
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 60990.13164071
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HIP 22059
HIERARCH ESO INS SOBJ NAME HIP_22059
RA 71.176912
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 374.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 56.526
HIERARCH ESO ISS PBL12 END 56.523
HIERARCH ESO ISS PBLA12 START 3.2
HIERARCH ESO ISS PBLA12 END 4.1
HIERARCH ESO ISS PBL13 START 102.369
HIERARCH ESO ISS PBL13 END 102.38
HIERARCH ESO ISS PBLA13 START 8.2
HIERARCH ESO ISS PBLA13 END 9.1
HIERARCH ESO ISS PBL14 START 122.978
HIERARCH ESO ISS PBL14 END 123.453
HIERARCH ESO ISS PBLA14 START 30.832
HIERARCH ESO ISS PBLA14 END 32.13
HIERARCH ESO ISS PBL23 START 46.304
HIERARCH ESO ISS PBL23 END 46.334
HIERARCH ESO ISS PBLA23 START 14.2
HIERARCH ESO ISS PBLA23 END 15.2
HIERARCH ESO ISS PBL24 START 77.436
HIERARCH ESO ISS PBL24 END 78.18
HIERARCH ESO ISS PBLA24 START 50.589
HIERARCH ESO ISS PBLA24 END 51.965
HIERARCH ESO ISS PBL34 START 48.692
HIERARCH ESO ISS PBL34 END 49.525
HIERARCH ESO ISS PBLA34 START 84.979
HIERARCH ESO ISS PBLA34 END 85.993
HIERARCH ESO ISS AMBI TAU0 START 0.002804
HIERARCH ESO ISS AMBI TAU0 END 0.003852
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.77
HIERARCH ESO FT ROBJ NAME HIP_22059
HIERARCH ESO FT ROBJ ALPHA 044441.746
HIERARCH ESO FT ROBJ DELTA -370716.766