Exposure
ID
GRAVI.2025-04-01T00:38:35.834_1
Header ID
GRAVI.2025-04-01T00:38:35.834
Date updated
2025-04-01 00:55:50 UTC+0000
Release date
2025-04-01 00:38:35 UTC+0000
UTC Start
2025-04-01 00:38:35.834
UTC End
2025-04-01 00:45:15.834
MJD Start
60766.02680363
MJD End
60766.031433259624
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.007345
Ambient temperature (°C)
13.69
Seeing (arcsec)
0.7
Observation
ID
65988
Category
calibrator
Program ID
115.285N.004
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
49124
Name
HD305810
RA
165.07859
DEC
-61.30055
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.1660 65.4180 238.3000 239.9000
K0-D0 95.7980 95.8520 223.0000 224.5000
K0-J3 40.5370 41.0000 305.0500 306.1100
G2-D0 37.1700 37.1110 195.4000 196.6000
G2-J3 61.6950 61.5930 21.1290 22.4170
D0-J3 98.7480 98.5840 18.9670 20.2250
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.004
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60766.02680363
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 305810
HIERARCH ESO INS SOBJ NAME HD305810
RA 165.07859
DEC -61.30055
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 65.166
HIERARCH ESO ISS PBL12 END 65.418
HIERARCH ESO ISS PBLA12 START 238.3
HIERARCH ESO ISS PBLA12 END 239.9
HIERARCH ESO ISS PBL13 START 95.798
HIERARCH ESO ISS PBL13 END 95.852
HIERARCH ESO ISS PBLA13 START 223.0
HIERARCH ESO ISS PBLA13 END 224.5
HIERARCH ESO ISS PBL14 START 40.537
HIERARCH ESO ISS PBL14 END 41.0
HIERARCH ESO ISS PBLA14 START 305.05
HIERARCH ESO ISS PBLA14 END 306.11
HIERARCH ESO ISS PBL23 START 37.17
HIERARCH ESO ISS PBL23 END 37.111
HIERARCH ESO ISS PBLA23 START 195.4
HIERARCH ESO ISS PBLA23 END 196.6
HIERARCH ESO ISS PBL24 START 61.695
HIERARCH ESO ISS PBL24 END 61.593
HIERARCH ESO ISS PBLA24 START 21.129
HIERARCH ESO ISS PBLA24 END 22.417
HIERARCH ESO ISS PBL34 START 98.748
HIERARCH ESO ISS PBL34 END 98.584
HIERARCH ESO ISS PBLA34 START 18.967
HIERARCH ESO ISS PBLA34 END 20.225
HIERARCH ESO ISS AMBI TAU0 START 0.007474
HIERARCH ESO ISS AMBI TAU0 END 0.007216
HIERARCH ESO ISS AMBI TEMP 13.69
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.69