Exposure
ID
GRAVI.2025-05-29T09:57:54.774_1
Header ID
GRAVI.2025-05-29T09:57:54.774
Date updated
2025-05-29 10:09:09 UTC+0000
Release date
2025-05-29 09:57:54 UTC+0000
UTC Start
2025-05-29 09:57:54.774
UTC End
2025-05-29 10:01:54.774
MJD Start
60824.41521729
MJD End
60824.41799506778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003997
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.44499999999999995
Observation
ID
67621
Category
calibrator
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
50291
Name
TYC1056-817-1
RA
293.4937
DEC
7.54344
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 66.0610 65.0260 115.2000 115.5000
A0-J2 107.5640 106.2320 88.0000 87.9000
A0-K0 119.8570 119.0750 68.3940 68.1050
G1-J2 57.4040 57.2480 56.3000 56.0000
G1-K0 88.8730 89.0500 35.5520 35.5710
J2-K0 40.6250 40.6740 5.5520 6.1000
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60824.41521729
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 1056-817-1
HIERARCH ESO INS SOBJ NAME TYC1056-817-1
RA 293.4937
DEC 7.54344
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 66.061
HIERARCH ESO ISS PBL12 END 65.026
HIERARCH ESO ISS PBLA12 START 115.2
HIERARCH ESO ISS PBLA12 END 115.5
HIERARCH ESO ISS PBL13 START 107.564
HIERARCH ESO ISS PBL13 END 106.232
HIERARCH ESO ISS PBLA13 START 88.0
HIERARCH ESO ISS PBLA13 END 87.9
HIERARCH ESO ISS PBL14 START 119.857
HIERARCH ESO ISS PBL14 END 119.075
HIERARCH ESO ISS PBLA14 START 68.394
HIERARCH ESO ISS PBLA14 END 68.105
HIERARCH ESO ISS PBL23 START 57.404
HIERARCH ESO ISS PBL23 END 57.248
HIERARCH ESO ISS PBLA23 START 56.3
HIERARCH ESO ISS PBLA23 END 56.0
HIERARCH ESO ISS PBL24 START 88.873
HIERARCH ESO ISS PBL24 END 89.05
HIERARCH ESO ISS PBLA24 START 35.552
HIERARCH ESO ISS PBLA24 END 35.571
HIERARCH ESO ISS PBL34 START 40.625
HIERARCH ESO ISS PBL34 END 40.674
HIERARCH ESO ISS PBLA34 START 5.552
HIERARCH ESO ISS PBLA34 END 6.1
HIERARCH ESO ISS AMBI TAU0 START 0.004055
HIERARCH ESO ISS AMBI TAU0 END 0.003939
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.48