Exposure
ID
GRAVI.2025-04-05T04:52:59.537_1
Header ID
GRAVI.2025-04-05T04:52:59.537
Date updated
2025-04-05 05:10:58 UTC+0000
Release date
2025-04-05 04:52:59 UTC+0000
UTC Start
2025-04-05 04:52:59.537
UTC End
2025-04-05 04:59:39.537
MJD Start
60770.20346686
MJD End
60770.20809648963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0108125
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.375
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 24.2750 24.3140 159.7000 160.9000
A0-D0 28.3800 28.1410 101.3000 102.9000
A0-C1 22.6230 22.6200 138.8310 140.3040
B2-D0 25.9080 25.6370 48.5000 49.4000
B2-C1 8.6300 8.5400 48.4000 49.3370
D0-C1 17.2780 17.0970 228.4830 229.4210
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 60770.20346686
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 24.275
HIERARCH ESO ISS PBL12 END 24.314
HIERARCH ESO ISS PBLA12 START 159.7
HIERARCH ESO ISS PBLA12 END 160.9
HIERARCH ESO ISS PBL13 START 28.38
HIERARCH ESO ISS PBL13 END 28.141
HIERARCH ESO ISS PBLA13 START 101.3
HIERARCH ESO ISS PBLA13 END 102.9
HIERARCH ESO ISS PBL14 START 22.623
HIERARCH ESO ISS PBL14 END 22.62
HIERARCH ESO ISS PBLA14 START 138.831
HIERARCH ESO ISS PBLA14 END 140.304
HIERARCH ESO ISS PBL23 START 25.908
HIERARCH ESO ISS PBL23 END 25.637
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 8.63
HIERARCH ESO ISS PBL24 END 8.54
HIERARCH ESO ISS PBLA24 START 48.4
HIERARCH ESO ISS PBLA24 END 49.337
HIERARCH ESO ISS PBL34 START 17.278
HIERARCH ESO ISS PBL34 END 17.097
HIERARCH ESO ISS PBLA34 START 228.483
HIERARCH ESO ISS PBLA34 END 229.421
HIERARCH ESO ISS AMBI TAU0 START 0.009249
HIERARCH ESO ISS AMBI TAU0 END 0.012376
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.34