Exposure
ID
GRAVI.2025-03-02T05:24:57.618_1
Header ID
GRAVI.2025-03-02T05:24:57.618
Date updated
2025-03-02 05:40:41 UTC+0000
Release date
2025-03-02 05:24:57 UTC+0000
UTC Start
2025-03-02 05:24:57.618
UTC End
2025-03-02 05:31:37.618
MJD Start
60736.22566687
MJD End
60736.23029649963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0044989999999999995
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.775
Observation
ID
64926
Category
calibrator
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
48355
Name
TYC8660-985-1
RA
194.986184
DEC
-59.64313
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 80.9890 81.5960 91.6000 93.1000
A0-J2 125.5920 126.0200 71.0000 72.6000
A0-K0 127.9810 127.9750 53.7530 55.2550
G1-J2 57.3760 57.2710 41.2000 42.6000
G1-K0 81.1120 80.9370 15.9310 17.0180
J2-K0 38.1640 38.3480 335.9480 336.8210
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60736.22566687
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 8660-985-1
HIERARCH ESO INS SOBJ NAME TYC8660-985-1
RA 194.986184
DEC -59.64313
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 80.989
HIERARCH ESO ISS PBL12 END 81.596
HIERARCH ESO ISS PBLA12 START 91.6
HIERARCH ESO ISS PBLA12 END 93.1
HIERARCH ESO ISS PBL13 START 125.592
HIERARCH ESO ISS PBL13 END 126.02
HIERARCH ESO ISS PBLA13 START 71.0
HIERARCH ESO ISS PBLA13 END 72.6
HIERARCH ESO ISS PBL14 START 127.981
HIERARCH ESO ISS PBL14 END 127.975
HIERARCH ESO ISS PBLA14 START 53.753
HIERARCH ESO ISS PBLA14 END 55.255
HIERARCH ESO ISS PBL23 START 57.376
HIERARCH ESO ISS PBL23 END 57.271
HIERARCH ESO ISS PBLA23 START 41.2
HIERARCH ESO ISS PBLA23 END 42.6
HIERARCH ESO ISS PBL24 START 81.112
HIERARCH ESO ISS PBL24 END 80.937
HIERARCH ESO ISS PBLA24 START 15.931
HIERARCH ESO ISS PBLA24 END 17.018
HIERARCH ESO ISS PBL34 START 38.164
HIERARCH ESO ISS PBL34 END 38.348
HIERARCH ESO ISS PBLA34 START 335.948
HIERARCH ESO ISS PBLA34 END 336.821
HIERARCH ESO ISS AMBI TAU0 START 0.00449
HIERARCH ESO ISS AMBI TAU0 END 0.004508
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.79