Exposure
ID
GRAVI.2025-04-05T05:00:08.555_1
Header ID
GRAVI.2025-04-05T05:00:08.555
Date updated
2025-04-05 05:15:36 UTC+0000
Release date
2025-04-05 05:00:08 UTC+0000
UTC Start
2025-04-05 05:00:08.555
UTC End
2025-04-05 05:06:48.555
MJD Start
60770.20843235
MJD End
60770.21306197963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0115815
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.36
Observation
ID
66043
Category
calibrator
Program ID
115.285N.004
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
49162
Name
HD94680
RA
163.689925
DEC
-57.28369
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.3160 24.3510 160.9000 162.1000
A0-D0 28.1320 27.8870 103.0000 104.5000
A0-C1 22.6200 22.6140 140.3570 141.8350
B2-D0 25.6270 25.3480 49.4000 50.4000
B2-C1 8.5360 8.4430 49.3710 50.3020
D0-C1 17.0900 16.9040 229.4550 230.3870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60770.20843235
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 94680
HIERARCH ESO INS SOBJ NAME HD94680
RA 163.689925
DEC -57.28369
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 24.316
HIERARCH ESO ISS PBL12 END 24.351
HIERARCH ESO ISS PBLA12 START 160.9
HIERARCH ESO ISS PBLA12 END 162.1
HIERARCH ESO ISS PBL13 START 28.132
HIERARCH ESO ISS PBL13 END 27.887
HIERARCH ESO ISS PBLA13 START 103.0
HIERARCH ESO ISS PBLA13 END 104.5
HIERARCH ESO ISS PBL14 START 22.62
HIERARCH ESO ISS PBL14 END 22.614
HIERARCH ESO ISS PBLA14 START 140.357
HIERARCH ESO ISS PBLA14 END 141.835
HIERARCH ESO ISS PBL23 START 25.627
HIERARCH ESO ISS PBL23 END 25.348
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 8.536
HIERARCH ESO ISS PBL24 END 8.443
HIERARCH ESO ISS PBLA24 START 49.371
HIERARCH ESO ISS PBLA24 END 50.302
HIERARCH ESO ISS PBL34 START 17.09
HIERARCH ESO ISS PBL34 END 16.904
HIERARCH ESO ISS PBLA34 START 229.455
HIERARCH ESO ISS PBLA34 END 230.387
HIERARCH ESO ISS AMBI TAU0 START 0.012376
HIERARCH ESO ISS AMBI TAU0 END 0.010787
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.38