Exposure
ID
GRAVI.2025-03-01T02:12:02.259_1
Header ID
GRAVI.2025-03-01T02:12:02.259
Date updated
2025-03-01 02:25:51 UTC+0000
Release date
2025-03-01 02:12:02 UTC+0000
UTC Start
2025-03-01 02:12:02.259
UTC End
2025-03-01 02:18:42.259
MJD Start
60735.09169281
MJD End
60735.096322439626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004904
Ambient temperature (°C)
13.91
Seeing (arcsec)
0.865
Observation
ID
64880
Category
calibrator
Program ID
115.285N.001
Program Title
DO TERTIARY COMPANIONS AFFECT THE FORMATION AND EVOLUTION OF MASSIVE OVERCONTACT BINARY SYSTEMS?
Program Type
Normal
PI / COI
ABDUL-MASIH / FROST / DE MINK / TOONEN / MAHY / ESCORZA
Target
ID
48315
Name
HD_43969
RA
94.680364
DEC
-8.8961
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 78.4140 77.2700 123.8000 124.6000
A0-J2 115.0420 113.2440 97.5000 97.9000
A0-K0 120.0250 118.6900 74.8760 74.9720
G1-J2 56.5980 56.2250 59.7000 59.8000
G1-K0 90.4810 90.4810 34.0820 34.3510
J2-K0 46.4500 46.4700 2.2410 3.0430
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60735.09169281
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 43969
HIERARCH ESO INS SOBJ NAME HD_43969
RA 94.680364
DEC -8.8961
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 78.414
HIERARCH ESO ISS PBL12 END 77.27
HIERARCH ESO ISS PBLA12 START 123.8
HIERARCH ESO ISS PBLA12 END 124.6
HIERARCH ESO ISS PBL13 START 115.042
HIERARCH ESO ISS PBL13 END 113.244
HIERARCH ESO ISS PBLA13 START 97.5
HIERARCH ESO ISS PBLA13 END 97.9
HIERARCH ESO ISS PBL14 START 120.025
HIERARCH ESO ISS PBL14 END 118.69
HIERARCH ESO ISS PBLA14 START 74.876
HIERARCH ESO ISS PBLA14 END 74.972
HIERARCH ESO ISS PBL23 START 56.598
HIERARCH ESO ISS PBL23 END 56.225
HIERARCH ESO ISS PBLA23 START 59.7
HIERARCH ESO ISS PBLA23 END 59.8
HIERARCH ESO ISS PBL24 START 90.481
HIERARCH ESO ISS PBL24 END 90.481
HIERARCH ESO ISS PBLA24 START 34.082
HIERARCH ESO ISS PBLA24 END 34.351
HIERARCH ESO ISS PBL34 START 46.45
HIERARCH ESO ISS PBL34 END 46.47
HIERARCH ESO ISS PBLA34 START 2.241
HIERARCH ESO ISS PBLA34 END 3.043
HIERARCH ESO ISS AMBI TAU0 START 0.004507
HIERARCH ESO ISS AMBI TAU0 END 0.005301
HIERARCH ESO ISS AMBI TEMP 13.91
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.84