Exposure
ID
GRAVI.2025-03-01T02:19:14.277_1
Header ID
GRAVI.2025-03-01T02:19:14.277
Date updated
2025-03-01 02:35:46 UTC+0000
Release date
2025-03-01 02:19:14 UTC+0000
UTC Start
2025-03-01 02:19:14.277
UTC End
2025-03-01 02:25:54.277
MJD Start
60735.09669302
MJD End
60735.10132264963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.006269
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.6950000000000001
Observation
ID
64880
Category
calibrator
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
48315
Name
HD_43969
RA
94.680364
DEC
-8.8961
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 77.2280 76.0490 124.7000 125.6000
A0-J2 113.1770 111.2770 97.9000 98.4000
A0-K0 118.6400 117.2010 74.9720 75.0550
G1-J2 56.2110 55.7990 59.8000 59.8000
G1-K0 90.4800 90.4540 34.3570 34.6020
J2-K0 46.4710 46.4970 3.0690 3.8670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60735.09669302
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 43969
HIERARCH ESO INS SOBJ NAME HD_43969
RA 94.680364
DEC -8.8961
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 77.228
HIERARCH ESO ISS PBL12 END 76.049
HIERARCH ESO ISS PBLA12 START 124.7
HIERARCH ESO ISS PBLA12 END 125.6
HIERARCH ESO ISS PBL13 START 113.177
HIERARCH ESO ISS PBL13 END 111.277
HIERARCH ESO ISS PBLA13 START 97.9
HIERARCH ESO ISS PBLA13 END 98.4
HIERARCH ESO ISS PBL14 START 118.64
HIERARCH ESO ISS PBL14 END 117.201
HIERARCH ESO ISS PBLA14 START 74.972
HIERARCH ESO ISS PBLA14 END 75.055
HIERARCH ESO ISS PBL23 START 56.211
HIERARCH ESO ISS PBL23 END 55.799
HIERARCH ESO ISS PBLA23 START 59.8
HIERARCH ESO ISS PBLA23 END 59.8
HIERARCH ESO ISS PBL24 START 90.48
HIERARCH ESO ISS PBL24 END 90.454
HIERARCH ESO ISS PBLA24 START 34.357
HIERARCH ESO ISS PBLA24 END 34.602
HIERARCH ESO ISS PBL34 START 46.471
HIERARCH ESO ISS PBL34 END 46.497
HIERARCH ESO ISS PBLA34 START 3.069
HIERARCH ESO ISS PBLA34 END 3.867
HIERARCH ESO ISS AMBI TAU0 START 0.006354
HIERARCH ESO ISS AMBI TAU0 END 0.006184
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.71