Exposure
ID
GRAVI.2025-10-12T08:10:16.872_1
Header ID
GRAVI.2025-10-12T08:10:16.872
Date updated
2025-10-12 08:21:08 UTC+0000
Release date
2025-10-12 08:10:16 UTC+0000
UTC Start
2025-10-12 08:10:16.872
UTC End
2025-10-12 08:12:56.872
MJD Start
60960.34047306
MJD End
60960.34232491186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.005844
Ambient temperature (°C)
11.47
Seeing (arcsec)
1.245
Observation
ID
70914
Category
calibrator
Program ID
116.28NF.001
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / LEFTLEY / KERVELLA / MÉRAND / PIETRZYNSKI / KAMINSKI / GIEREN / BAILLEUL / BRAS
Target
ID
52622
Name
HD_43776
RA
94.568939
DEC
3.98448
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 47.4600 47.3770 143.7000 143.8000
A0-J2 121.3330 121.8940 94.2000 94.1000
A0-J6 140.0220 140.4290 19.1220 19.5480
B5-J2 97.4230 98.0940 72.5000 72.5000
B5-J6 171.4550 171.6010 5.9450 6.3510
J2-J6 159.9250 159.6120 331.9790 332.1420
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60960.34047306
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 43776
HIERARCH ESO INS SOBJ NAME HD_43776
RA 94.568939
DEC 3.98448
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 47.46
HIERARCH ESO ISS PBL12 END 47.377
HIERARCH ESO ISS PBLA12 START 143.7
HIERARCH ESO ISS PBLA12 END 143.8
HIERARCH ESO ISS PBL13 START 121.333
HIERARCH ESO ISS PBL13 END 121.894
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.1
HIERARCH ESO ISS PBL14 START 140.022
HIERARCH ESO ISS PBL14 END 140.429
HIERARCH ESO ISS PBLA14 START 19.122
HIERARCH ESO ISS PBLA14 END 19.548
HIERARCH ESO ISS PBL23 START 97.423
HIERARCH ESO ISS PBL23 END 98.094
HIERARCH ESO ISS PBLA23 START 72.5
HIERARCH ESO ISS PBLA23 END 72.5
HIERARCH ESO ISS PBL24 START 171.455
HIERARCH ESO ISS PBL24 END 171.601
HIERARCH ESO ISS PBLA24 START 5.945
HIERARCH ESO ISS PBLA24 END 6.351
HIERARCH ESO ISS PBL34 START 159.925
HIERARCH ESO ISS PBL34 END 159.612
HIERARCH ESO ISS PBLA34 START 331.979
HIERARCH ESO ISS PBLA34 END 332.142
HIERARCH ESO ISS AMBI TAU0 START 0.006805
HIERARCH ESO ISS AMBI TAU0 END 0.004883
HIERARCH ESO ISS AMBI TEMP 11.47
HIERARCH ESO ISS AMBI FWHM START 1.13
HIERARCH ESO ISS AMBI FWHM END 1.36