Exposure
ID
GRAVI.2025-03-02T04:45:09.516_1
Header ID
GRAVI.2025-03-02T04:45:09.516
Date updated
2025-03-02 05:00:44 UTC+0000
Release date
2026-03-02 05:00:44 UTC+0000
UTC Start
2025-03-02 04:45:09.516
UTC End
2025-03-02 04:51:49.516
MJD Start
60736.19802681
MJD End
60736.20265643963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0057695
Ambient temperature (°C)
14.93
Seeing (arcsec)
0.79
Observation
ID
64924
Category
science
Program ID
115.285N.003
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
48353
Name
LS3074
RA
201.744483
DEC
-62.03038
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 74.7630 75.4580 75.0000 76.7000
A0-J2 121.6040 122.1080 54.6000 56.3000
A0-K0 127.6080 127.6910 38.7740 40.3590
G1-J2 57.7750 57.7240 27.7000 29.2000
G1-K0 80.5360 80.4740 5.4860 6.6100
J2-K0 34.8090 35.0710 326.5290 327.4080
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60736.19802681
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME LS 3074
HIERARCH ESO INS SOBJ NAME LS3074
RA 201.744483
DEC -62.03038
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 74.763
HIERARCH ESO ISS PBL12 END 75.458
HIERARCH ESO ISS PBLA12 START 75.0
HIERARCH ESO ISS PBLA12 END 76.7
HIERARCH ESO ISS PBL13 START 121.604
HIERARCH ESO ISS PBL13 END 122.108
HIERARCH ESO ISS PBLA13 START 54.6
HIERARCH ESO ISS PBLA13 END 56.3
HIERARCH ESO ISS PBL14 START 127.608
HIERARCH ESO ISS PBL14 END 127.691
HIERARCH ESO ISS PBLA14 START 38.774
HIERARCH ESO ISS PBLA14 END 40.359
HIERARCH ESO ISS PBL23 START 57.775
HIERARCH ESO ISS PBL23 END 57.724
HIERARCH ESO ISS PBLA23 START 27.7
HIERARCH ESO ISS PBLA23 END 29.2
HIERARCH ESO ISS PBL24 START 80.536
HIERARCH ESO ISS PBL24 END 80.474
HIERARCH ESO ISS PBLA24 START 5.486
HIERARCH ESO ISS PBLA24 END 6.61
HIERARCH ESO ISS PBL34 START 34.809
HIERARCH ESO ISS PBL34 END 35.071
HIERARCH ESO ISS PBLA34 START 326.529
HIERARCH ESO ISS PBLA34 END 327.408
HIERARCH ESO ISS AMBI TAU0 START 0.004894
HIERARCH ESO ISS AMBI TAU0 END 0.006645
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.76