Exposure
ID
GRAVI.2025-06-17T08:40:49.480_1
Header ID
GRAVI.2025-06-17T08:40:49.480
Date updated
2025-06-17 08:56:34 UTC+0000
Release date
2026-06-17 08:56:33 UTC+0000
UTC Start
2025-06-17 08:40:49.480
UTC End
2025-06-17 08:47:29.480
MJD Start
60843.3616838
MJD End
60843.36631342963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0033885
Ambient temperature (°C)
6.32
Seeing (arcsec)
0.81
Observation
ID
68146
Category
science
Program ID
115.28G0.001
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
50654
Name
HD_6144
RA
15.364387
DEC
-61.75895
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 70.8920 71.6320 66.5000 68.3000
A0-J2 118.6490 119.1790 45.8000 47.6000
A0-K0 126.9710 127.0880 30.6030 32.2130
G1-J2 58.0110 57.9840 20.3000 21.7000
G1-K0 81.0540 81.0510 359.7310 0.8470
J2-K0 33.6030 33.9080 322.4420 323.2850
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60843.3616838
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 6144
HIERARCH ESO INS SOBJ NAME HD_6144
RA 15.364387
DEC -61.75895
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 70.892
HIERARCH ESO ISS PBL12 END 71.632
HIERARCH ESO ISS PBLA12 START 66.5
HIERARCH ESO ISS PBLA12 END 68.3
HIERARCH ESO ISS PBL13 START 118.649
HIERARCH ESO ISS PBL13 END 119.179
HIERARCH ESO ISS PBLA13 START 45.8
HIERARCH ESO ISS PBLA13 END 47.6
HIERARCH ESO ISS PBL14 START 126.971
HIERARCH ESO ISS PBL14 END 127.088
HIERARCH ESO ISS PBLA14 START 30.603
HIERARCH ESO ISS PBLA14 END 32.213
HIERARCH ESO ISS PBL23 START 58.011
HIERARCH ESO ISS PBL23 END 57.984
HIERARCH ESO ISS PBLA23 START 20.3
HIERARCH ESO ISS PBLA23 END 21.7
HIERARCH ESO ISS PBL24 START 81.054
HIERARCH ESO ISS PBL24 END 81.051
HIERARCH ESO ISS PBLA24 START 359.731
HIERARCH ESO ISS PBLA24 END 0.847
HIERARCH ESO ISS PBL34 START 33.603
HIERARCH ESO ISS PBL34 END 33.908
HIERARCH ESO ISS PBLA34 START 322.442
HIERARCH ESO ISS PBLA34 END 323.285
HIERARCH ESO ISS AMBI TAU0 START 0.003537
HIERARCH ESO ISS AMBI TAU0 END 0.00324
HIERARCH ESO ISS AMBI TEMP 6.32
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.83