Exposure
ID
GRAVI.2024-01-08T06:58:37.382_1
Header ID
GRAVI.2024-01-08T06:58:37.382
Date updated
2024-01-08 07:10:40 UTC+0000
Release date
2025-01-08 07:10:40 UTC+0000
UTC Start
2024-01-08 06:58:37.382
UTC End
2024-01-08 07:01:17.382
MJD Start
60317.29071044
MJD End
60317.2925622919
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.006027
Ambient temperature (°C)
17.7
Seeing (arcsec)
0.505
Observation
ID
58140
Category
science
Program ID
112.25PD.001
Program Title
IMPACT OF CIRCUMSTELLAR ENVELOPES OF CEPHEIDS ON THE PERIOD-LUMINOSITY RELATION AND LIMB-DARKENING DIAMETER OF L CAR
Program Type
Normal
PI / COI
HOCDé/ KERVELLA/ GALLENNE/ NARDETTO/ PIETRZYNSKI/ MÉRAND/ GIEREN/ SMOLEC/ PILECKI/ BRAS
Target
ID
43056
Name
U_Car
RA
164.448514
DEC
-59.73218
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 38.3440 38.4860 132.4000 132.8000
A0-J2 125.8930 126.0710 72.1000 72.7000
A0-J6 151.8080 151.6640 16.6770 17.1380
B5-J2 111.9860 111.9810 54.8000 55.4000
B5-J6 171.9530 171.8900 5.0890 5.5000
J2-J6 131.0820 131.4750 324.4540 324.8510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25PD.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60317.29071044
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V U Car
HIERARCH ESO INS SOBJ NAME U_Car
RA 164.448514
DEC -59.73218
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 38.344
HIERARCH ESO ISS PBL12 END 38.486
HIERARCH ESO ISS PBLA12 START 132.4
HIERARCH ESO ISS PBLA12 END 132.8
HIERARCH ESO ISS PBL13 START 125.893
HIERARCH ESO ISS PBL13 END 126.071
HIERARCH ESO ISS PBLA13 START 72.1
HIERARCH ESO ISS PBLA13 END 72.7
HIERARCH ESO ISS PBL14 START 151.808
HIERARCH ESO ISS PBL14 END 151.664
HIERARCH ESO ISS PBLA14 START 16.677
HIERARCH ESO ISS PBLA14 END 17.138
HIERARCH ESO ISS PBL23 START 111.986
HIERARCH ESO ISS PBL23 END 111.981
HIERARCH ESO ISS PBLA23 START 54.8
HIERARCH ESO ISS PBLA23 END 55.4
HIERARCH ESO ISS PBL24 START 171.953
HIERARCH ESO ISS PBL24 END 171.89
HIERARCH ESO ISS PBLA24 START 5.089
HIERARCH ESO ISS PBLA24 END 5.5
HIERARCH ESO ISS PBL34 START 131.082
HIERARCH ESO ISS PBL34 END 131.475
HIERARCH ESO ISS PBLA34 START 324.454
HIERARCH ESO ISS PBLA34 END 324.851
HIERARCH ESO ISS AMBI TAU0 START 0.005206
HIERARCH ESO ISS AMBI TAU0 END 0.006848
HIERARCH ESO ISS AMBI TEMP 17.7
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.48