Exposure
ID
GRAVI.2025-05-29T09:30:48.705_1
Header ID
GRAVI.2025-05-29T09:30:48.705
Date updated
2025-05-29 09:43:37 UTC+0000
Release date
2026-05-29 09:43:37 UTC+0000
UTC Start
2025-05-29 09:30:48.705
UTC End
2025-05-29 09:34:48.705
MJD Start
60824.39639705
MJD End
60824.39917482778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.004236
Ambient temperature (°C)
13.21
Seeing (arcsec)
0.52
Observation
ID
67620
Category
science
Program ID
115.285N.002
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
50290
Name
V337Aql
RA
286.040244
DEC
-2.02976
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 70.3320 69.4430 122.8000 123.3000
A0-J2 107.0310 105.6820 94.5000 94.6000
A0-K0 116.5740 115.6300 72.0100 71.8970
G1-J2 56.1380 55.8900 58.0000 57.8000
G1-K0 90.3890 90.4280 34.9280 35.0020
J2-K0 44.5210 44.5560 5.3650 5.8660
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60824.39639705
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V V337 Aql
HIERARCH ESO INS SOBJ NAME V337Aql
RA 286.040244
DEC -2.02976
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 70.332
HIERARCH ESO ISS PBL12 END 69.443
HIERARCH ESO ISS PBLA12 START 122.8
HIERARCH ESO ISS PBLA12 END 123.3
HIERARCH ESO ISS PBL13 START 107.031
HIERARCH ESO ISS PBL13 END 105.682
HIERARCH ESO ISS PBLA13 START 94.5
HIERARCH ESO ISS PBLA13 END 94.6
HIERARCH ESO ISS PBL14 START 116.574
HIERARCH ESO ISS PBL14 END 115.63
HIERARCH ESO ISS PBLA14 START 72.01
HIERARCH ESO ISS PBLA14 END 71.897
HIERARCH ESO ISS PBL23 START 56.138
HIERARCH ESO ISS PBL23 END 55.89
HIERARCH ESO ISS PBLA23 START 58.0
HIERARCH ESO ISS PBLA23 END 57.8
HIERARCH ESO ISS PBL24 START 90.389
HIERARCH ESO ISS PBL24 END 90.428
HIERARCH ESO ISS PBLA24 START 34.928
HIERARCH ESO ISS PBLA24 END 35.002
HIERARCH ESO ISS PBL34 START 44.521
HIERARCH ESO ISS PBL34 END 44.556
HIERARCH ESO ISS PBLA34 START 5.365
HIERARCH ESO ISS PBLA34 END 5.866
HIERARCH ESO ISS AMBI TAU0 START 0.004008
HIERARCH ESO ISS AMBI TAU0 END 0.004464
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.48