Exposure
ID
GRAVI.2025-04-28T06:38:24.792_1
Header ID
GRAVI.2025-04-28T06:38:24.792
Date updated
2025-04-28 06:55:55 UTC+0000
Release date
2026-04-28 06:55:54 UTC+0000
UTC Start
2025-04-28 06:38:24.792
UTC End
2025-04-28 06:45:04.792
MJD Start
60793.27667583
MJD End
60793.281305459626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003761
Ambient temperature (°C)
12.84
Seeing (arcsec)
0.385
Observation
ID
67029
Category
science
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
49837
Name
Herschel36
RA
270.915573
DEC
-24.37858
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 84.1540 85.0030 106.9000 107.5000
A0-J2 118.7430 120.0950 81.9000 82.7000
A0-K0 119.3280 120.3890 58.4130 59.4360
G1-J2 55.4750 55.7960 41.9000 43.0000
G1-K0 89.5530 89.6380 13.6590 14.5930
J2-K0 48.4170 48.4580 340.8260 341.4040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60793.27667583
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME NAME Her 36SE
HIERARCH ESO INS SOBJ NAME Herschel36
RA 270.915573
DEC -24.37858
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 84.154
HIERARCH ESO ISS PBL12 END 85.003
HIERARCH ESO ISS PBLA12 START 106.9
HIERARCH ESO ISS PBLA12 END 107.5
HIERARCH ESO ISS PBL13 START 118.743
HIERARCH ESO ISS PBL13 END 120.095
HIERARCH ESO ISS PBLA13 START 81.9
HIERARCH ESO ISS PBLA13 END 82.7
HIERARCH ESO ISS PBL14 START 119.328
HIERARCH ESO ISS PBL14 END 120.389
HIERARCH ESO ISS PBLA14 START 58.413
HIERARCH ESO ISS PBLA14 END 59.436
HIERARCH ESO ISS PBL23 START 55.475
HIERARCH ESO ISS PBL23 END 55.796
HIERARCH ESO ISS PBLA23 START 41.9
HIERARCH ESO ISS PBLA23 END 43.0
HIERARCH ESO ISS PBL24 START 89.553
HIERARCH ESO ISS PBL24 END 89.638
HIERARCH ESO ISS PBLA24 START 13.659
HIERARCH ESO ISS PBLA24 END 14.593
HIERARCH ESO ISS PBL34 START 48.417
HIERARCH ESO ISS PBL34 END 48.458
HIERARCH ESO ISS PBLA34 START 340.826
HIERARCH ESO ISS PBLA34 END 341.404
HIERARCH ESO ISS AMBI TAU0 START 0.003848
HIERARCH ESO ISS AMBI TAU0 END 0.003674
HIERARCH ESO ISS AMBI TEMP 12.84
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.37