Exposure
ID
GRAVI.2025-04-01T03:05:42.209_1
Header ID
GRAVI.2025-04-01T03:05:42.209
Date updated
2025-04-01 03:20:50 UTC+0000
Release date
2025-04-01 03:05:42 UTC+0000
UTC Start
2025-04-01 03:05:42.209
UTC End
2025-04-01 03:12:22.209
MJD Start
60766.12896075
MJD End
60766.13359037963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.013654
Ambient temperature (°C)
13.55
Seeing (arcsec)
0.53
Observation
ID
65991
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
49127
Name
TYC_8973-2251-1
RA
194.990579
DEC
-59.64313
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.8990 66.1460 245.1000 246.7000
K0-D0 95.9040 95.9420 229.1000 230.6000
K0-J3 42.9770 43.3990 310.3330 311.3500
G2-D0 37.3130 37.2360 199.9000 201.1000
G2-J3 61.7540 61.6250 25.9530 27.2150
D0-J3 98.9370 98.7270 23.6700 24.9020
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 60766.12896075
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 8660-985-1
HIERARCH ESO INS SOBJ NAME TYC_8973-2251-1
RA 194.990579
DEC -59.64313
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 65.899
HIERARCH ESO ISS PBL12 END 66.146
HIERARCH ESO ISS PBLA12 START 245.1
HIERARCH ESO ISS PBLA12 END 246.7
HIERARCH ESO ISS PBL13 START 95.904
HIERARCH ESO ISS PBL13 END 95.942
HIERARCH ESO ISS PBLA13 START 229.1
HIERARCH ESO ISS PBLA13 END 230.6
HIERARCH ESO ISS PBL14 START 42.977
HIERARCH ESO ISS PBL14 END 43.399
HIERARCH ESO ISS PBLA14 START 310.333
HIERARCH ESO ISS PBLA14 END 311.35
HIERARCH ESO ISS PBL23 START 37.313
HIERARCH ESO ISS PBL23 END 37.236
HIERARCH ESO ISS PBLA23 START 199.9
HIERARCH ESO ISS PBLA23 END 201.1
HIERARCH ESO ISS PBL24 START 61.754
HIERARCH ESO ISS PBL24 END 61.625
HIERARCH ESO ISS PBLA24 START 25.953
HIERARCH ESO ISS PBLA24 END 27.215
HIERARCH ESO ISS PBL34 START 98.937
HIERARCH ESO ISS PBL34 END 98.727
HIERARCH ESO ISS PBLA34 START 23.67
HIERARCH ESO ISS PBLA34 END 24.902
HIERARCH ESO ISS AMBI TAU0 START 0.014879
HIERARCH ESO ISS AMBI TAU0 END 0.012429
HIERARCH ESO ISS AMBI TEMP 13.55
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.52