Exposure
ID
GRAVI.2024-09-04T07:10:33.787_1
Header ID
GRAVI.2024-09-04T07:10:33.787
Date updated
2024-09-04 07:25:31 UTC+0000
Release date
2025-09-04 07:25:31 UTC+0000
UTC Start
2024-09-04 07:10:33.787
UTC End
2024-09-04 07:17:13.787
MJD Start
60557.29900217
MJD End
60557.30363179963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004394
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.64
Observation
ID
60583
Category
science
Program ID
113.26GP.003
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
45025
Name
CD-31_1752
RA
63.493288
DEC
-31.54445
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 71.5920 72.9790 96.7000 97.5000
A0-J2 104.6570 106.4370 67.7000 69.0000
A0-K0 112.5310 113.6040 43.4520 44.9140
G1-J2 54.5210 54.7710 28.2000 29.6000
G1-K0 90.3110 90.3220 4.0010 4.9920
J2-K0 46.3240 46.4800 335.1660 335.6460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26GP.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60557.29900217
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME CD-31 1752
HIERARCH ESO INS SOBJ NAME CD-31_1752
RA 63.493288
DEC -31.54445
HIERARCH ESO INS SPEC RES MEDIUM
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 71.592
HIERARCH ESO ISS PBL12 END 72.979
HIERARCH ESO ISS PBLA12 START 96.7
HIERARCH ESO ISS PBLA12 END 97.5
HIERARCH ESO ISS PBL13 START 104.657
HIERARCH ESO ISS PBL13 END 106.437
HIERARCH ESO ISS PBLA13 START 67.7
HIERARCH ESO ISS PBLA13 END 69.0
HIERARCH ESO ISS PBL14 START 112.531
HIERARCH ESO ISS PBL14 END 113.604
HIERARCH ESO ISS PBLA14 START 43.452
HIERARCH ESO ISS PBLA14 END 44.914
HIERARCH ESO ISS PBL23 START 54.521
HIERARCH ESO ISS PBL23 END 54.771
HIERARCH ESO ISS PBLA23 START 28.2
HIERARCH ESO ISS PBLA23 END 29.6
HIERARCH ESO ISS PBL24 START 90.311
HIERARCH ESO ISS PBL24 END 90.322
HIERARCH ESO ISS PBLA24 START 4.001
HIERARCH ESO ISS PBLA24 END 4.992
HIERARCH ESO ISS PBL34 START 46.324
HIERARCH ESO ISS PBL34 END 46.48
HIERARCH ESO ISS PBLA34 START 335.166
HIERARCH ESO ISS PBLA34 END 335.646
HIERARCH ESO ISS AMBI TAU0 START 0.003993
HIERARCH ESO ISS AMBI TAU0 END 0.004795
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.61