Exposure
ID
GRAVI.2023-01-24T04:20:19.059_1
Header ID
GRAVI.2023-01-24T04:20:19.059
Date updated
2023-01-24 04:30:56 UTC+0000
Release date
2024-01-24 04:30:56 UTC+0000
UTC Start
2023-01-24 04:20:19.059
UTC End
2023-01-24 04:24:19.059
MJD Start
59968.18077615
MJD End
59968.1835539278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0068445
Ambient temperature (°C)
13.35
Seeing (arcsec)
0.915
Observation
ID
53979
Category
science
Program ID
110.23QY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GIEREN/ KERVELLA/ MÉRAND/ GRACZYK
Target
ID
40123
Name
HD41255
RA
90.823346
DEC
-16.04329
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.4360 80.8680 126.9000 127.5000
A0-J2 116.1500 115.1430 101.1000 101.5000
A0-J3 128.6030 128.1430 52.7100 52.8470
G1-J2 55.6390 55.3640 61.4000 61.6000
G1-J3 132.1700 132.2080 16.3450 16.6950
J2-J3 100.9120 100.8620 353.3540 353.9010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.23QY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59968.18077615
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD41255
HIERARCH ESO INS SOBJ NAME HD41255
RA 90.823346
DEC -16.04329
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 J3
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 81.436
HIERARCH ESO ISS PBL12 END 80.868
HIERARCH ESO ISS PBLA12 START 126.9
HIERARCH ESO ISS PBLA12 END 127.5
HIERARCH ESO ISS PBL13 START 116.15
HIERARCH ESO ISS PBL13 END 115.143
HIERARCH ESO ISS PBLA13 START 101.1
HIERARCH ESO ISS PBLA13 END 101.5
HIERARCH ESO ISS PBL14 START 128.603
HIERARCH ESO ISS PBL14 END 128.143
HIERARCH ESO ISS PBLA14 START 52.71
HIERARCH ESO ISS PBLA14 END 52.847
HIERARCH ESO ISS PBL23 START 55.639
HIERARCH ESO ISS PBL23 END 55.364
HIERARCH ESO ISS PBLA23 START 61.4
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 132.17
HIERARCH ESO ISS PBL24 END 132.208
HIERARCH ESO ISS PBLA24 START 16.345
HIERARCH ESO ISS PBLA24 END 16.695
HIERARCH ESO ISS PBL34 START 100.912
HIERARCH ESO ISS PBL34 END 100.862
HIERARCH ESO ISS PBLA34 START 353.354
HIERARCH ESO ISS PBLA34 END 353.901
HIERARCH ESO ISS AMBI TAU0 START 0.007743
HIERARCH ESO ISS AMBI TAU0 END 0.005946
HIERARCH ESO ISS AMBI TEMP 13.35
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.92