Exposure
ID
GRAVI.2025-03-01T01:50:32.204_1
Header ID
GRAVI.2025-03-01T01:50:32.204
Date updated
2025-03-01 02:05:35 UTC+0000
Release date
2026-03-01 02:05:35 UTC+0000
UTC Start
2025-03-01 01:50:32.204
UTC End
2025-03-01 01:57:12.204
MJD Start
60735.07676162
MJD End
60735.08139124963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004729
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.875
Observation
ID
64879
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
48314
Name
BMOri
RA
83.814994
DEC
-5.38521
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 72.8220 71.4710 124.6000 125.5000
A0-J2 108.4830 106.3280 96.6000 96.9000
A0-K0 116.3950 114.8060 73.5390 73.4690
G1-J2 55.8450 55.4000 58.9000 58.7000
G1-K0 90.4820 90.4780 34.8060 34.9650
J2-K0 45.5730 45.6200 4.8470 5.6510
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 60735.07676162
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME tet01 Ori B
HIERARCH ESO INS SOBJ NAME BMOri
RA 83.814994
DEC -5.38521
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 72.822
HIERARCH ESO ISS PBL12 END 71.471
HIERARCH ESO ISS PBLA12 START 124.6
HIERARCH ESO ISS PBLA12 END 125.5
HIERARCH ESO ISS PBL13 START 108.483
HIERARCH ESO ISS PBL13 END 106.328
HIERARCH ESO ISS PBLA13 START 96.6
HIERARCH ESO ISS PBLA13 END 96.9
HIERARCH ESO ISS PBL14 START 116.395
HIERARCH ESO ISS PBL14 END 114.806
HIERARCH ESO ISS PBLA14 START 73.539
HIERARCH ESO ISS PBLA14 END 73.469
HIERARCH ESO ISS PBL23 START 55.845
HIERARCH ESO ISS PBL23 END 55.4
HIERARCH ESO ISS PBLA23 START 58.9
HIERARCH ESO ISS PBLA23 END 58.7
HIERARCH ESO ISS PBL24 START 90.482
HIERARCH ESO ISS PBL24 END 90.478
HIERARCH ESO ISS PBLA24 START 34.806
HIERARCH ESO ISS PBLA24 END 34.965
HIERARCH ESO ISS PBL34 START 45.573
HIERARCH ESO ISS PBL34 END 45.62
HIERARCH ESO ISS PBLA34 START 4.847
HIERARCH ESO ISS PBLA34 END 5.651
HIERARCH ESO ISS AMBI TAU0 START 0.004729
HIERARCH ESO ISS AMBI TAU0 END 0.004729
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.96